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外研版 (2019)必修 第二册Unit 1 Food for thought学案
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这是一份外研版 (2019)必修 第二册Unit 1 Food for thought学案，共13页。学案主要包含了课前预习，学习以情态动词，情态动词用法归纳等内容，欢迎下载使用。
学习并掌握情态动词的基本用法，能够根据语境选择合适的情态动词填空。
了解英国的餐桌礼仪，开阔国际视野。
学会使用形容词描述食物，并会使用适当的情态动词说服他人。
重点：
1.理解“能够、最好、必须、不敢”的表意功能。
2.通过本单元所学的词汇和语法结构，引导学生介绍自己喜爱的食物。
难点：
1.学会在对话中获取有关健康饮食的相关信息，并对信息进行归纳总结，进行语言输出。
困难:
2.能够提炼和总结建议的表达方式，并将其转化为类似情况的交流。
一、课前预习
1.词汇积累（核心单词+重点短语）
1.had better______________
2.be able t______________
3.have t______________
4.a way t______________
5.wrk ut______________
6.be afraid______________
7.stay healthy______________
8.pay fr _____________
9.table manners______________
10.in case______________
1.functin______________
2.dwnlad______________
3.related______________
4.diet______________
5.addict______________
6.tip______________
7.custm______________
8.manners______________
9.trick______________
10.plate______________
11.handle______________
12.differ______________
核心单词B）重点短语
2、将适当的情态动词填入下列对应的横线上:
应该__________ 2）会，能_______ __________ 3)可能，可以________ ______
不得不________ 5)敢_______ 6)一定，肯定________ 7)需要_________ 8)最好_________
二、学习以情态动词
词语释义
used t indicate bligatin,duty,r give advice/suggestins
t be bliged t shuld(expressing necessity, r expressing an pinin abut smething that is lgically very likely
expressing pssibility r expressing permissin r a wish
used t say that it is pssible fr sb/sth t d,r fr sth t happen, r used t sb knws hw t d sth
t be brave enugh t d sth.,t persuade sb t d sth dangerus,difficult r embarrassing s that they can shw they are nt afraid
t require sth/sb because they ar essential r very imprtant,nt just because yu wuld like t have them
t give advice t d r nt t d smething
T have the ability t d smething
________ used t say what is the right thing t d,r say what yu advise r recmmend
_______ used fr talking abut r predicting the future,r used fr shwing that sb is willing t d sth
单项选择
1．Yu________read the article if yu dn’t want t．
A．haven’t B．can’t C. mustn’t D．needn’t
2．I_______get this dne immediately r it will be t late．
A. must B．can C．may D．might
3．The huse is dark；the Brwns_________ t bed．
A．may g B．shuld g
C．shuld have gne D. must have gne
4．“That car must have cst a 1t f mney.”
“Oh，n，_____.”
A．it mustn’t B．it hasn’t
C．it desn’t D．it didn’t
5. I _______asleep in the crner，fr 1 remember nthing f what happened during the night．
A．might fall B. must fall
C．must have fallen D. can have fallen
6．I’m feeling sick．I_________s much chclate．
A．needn’t have eaten B. culdn’t have eaten
C．mustn’t have eaten D．shuldn’t have eaten
7. My wallet is nwhere t be fund．I________when 1 was n the bus．
A．must have drpped it B．must drp it
C. shuld have drpped it D．ught t have drpped it
8．Mr．Green________my letter，therwise he wuld have replied befre nw．
A．must have received B．must have failed t receive
C．must receive D. must fail t receive
9. Yu culd have dne much better yesterday．Why_________?
A．didn’t yu B．culdn’t yu
C. hadn’t yu D．shuldn’t yu
10．They have dne things they ught_______
A．nt t d B. nt t be dne
C．nt t have dne D．nt having dne
11. Yu had better__________a dctr as sn as pssible．
A．seen B．saw C．see D．seeing
12．I believe he__________an accident．therwise he wuld have arrived n time．
A．wuld have had B. culd have had
C．shuld have had D．must have had
13．Smething must have happened n their way here．Or they_______by nw．
A．shuld have arrived B．shuld arrive
C．wuld have arrived D．wuld arrive
14. “Are yu cming ‘t Jeff’s party?”
“I’m nt sure. I _________ g t the cncert instead.”
A．must B. wuld C．shuld D．might
15．“Will yu stay fr lunch?”
“Srry．___________．My brther is cming t see me．”
A．I mustn’t B. I can’t C．I needn’t D．I wn’t
三、情态动词用法归纳
【归纳一】can，culd与be able t的用法
1．表示现在的能力：can，am/is/are able t。
2．表示将来的能力：will be able t。
3．表示过去的能力：culd表示过去的能力，不表示是否成功地做了；was/were able t表示过去有能力做而且成功地做了。
4．can/culd表示惊讶，常用在否定句和疑问句中。
5．can/culd表示礼貌地请求别人做某事，意为“能，可以”。
①Samuel，the tallest by in ur class，________easily reach the bks n the tp shelf.
②It was really annying；I________get acrss t the data bank yu had recmmended.(过去的能力)
真令人恼火。我不能进入你推荐的数据库。
③If yu have a gd sleep，yu will________________ wrk ut this prblem.(将来的能力)
如果你好好睡一觉，你将能够解出这道题。
④I________________ut the prblem，but I was t nervus.(本来有能力做但未做)
我本来可以解决这个问题，但我太紧张了。
⑤Hw ________yu d such a silly thing？(表示惊讶)
你怎么能做那样的蠢事呢？
【归纳二】may与might的用法
1．表示请求、允许时，might比may的语气更委婉一些，否定回答时要用mustn't，表示“不可以”“禁止”“阻止”之意。
2．may/might还可以表示推测，意为“可能”。
3．“may/might as well＋动词原形”意为“最好，倒不如”。
①—________I play basketball this afternn?
—N，yu can't.
②If yu think the price f beef is t high，yu________________buy sme chicken.It depends n yu.
如果你认为牛肉太贵的话，你不妨买些鸡肉。你自己决定。
【归纳三】must的用法
1．must用于否定句，表示“禁止”，表示说话者的命令或指令，语气比较强烈。
2．must表示必要性，意为“必须”。
3．must表示偏执、固执，意为“非得，偏要”。
①—Can't yu stay a little lnger?
—It's getting late.I really________g nw.My daughter is hme alne.
②Prgress________lead t a better life and a better way f ding things.
进步一定会促成一种更好的生活和更好的做事情的方法。
③If yu________g，at least wait until the strm is ver.
【归纳四】need与dare的用法
1．need作情态动词时，主要用于否定句和疑问句中。
2．dare作情态动词时，主要用于疑问句、否定句和条件从句中，一般不用在肯定句中。
注意：在肯定句中need和dare通常为实义动词，否定和疑问需借助助动词d及其变形。
①My rm is in a mess，but I________clean it befre I g ut tnight.I can d it in the mrning.
②As far as I'm cncerned，yu________wrry abut us nw.
就我个人而言，你现在没有必要担心我们。
③Adults________t live their wn lives and that's difficult with children.
大人需要过他们自己的生活，但有了孩子就很难做到了。
④Hw________yu say I'm unfair?
你竟敢说我不公平？
⑤He________/________________speak English befre such a crwd.
在这么多人面前他不敢说英语。
【归纳五】will与wuld的用法
1．表示请求、建议等，wuld比will委婉客气。
2．will和wuld表示意志、愿望和决心。
3．will可以表示一种习惯性的动作，有“总是”或“总要”之意。
4．wuld可以表示过去的习惯性动作，比used t正式，但没有“现已无此习惯”的含义。
①________yu mind pening the windw fr me?
请你给我打开窗户好吗？
②Every mrning he________have a walk alng this river.
每天早晨，他总是沿着小河散步。
③Mum________tell us stries befre we went t bed.
过去在我们上床睡觉前，妈妈总给我们讲故事。
【归纳六】shall，shuld与ught t的用法
1．shall用于第一、第三人称疑问句中，表示说话人征求对方的意见和向对方请示。
2．shall用于第二、第三人称陈述句中，表示说话人给对方的命令、警告、允诺或威胁。
3．shuld表示义务、职责等，意为“应该”。
4．“Why/Hw＋shuld结构”表示说话人对某事不能理解，有感到意外、惊讶等意思，意为“竟会”。
5．ught t表示“应该”。
6．shall还可表示法律、规章和条例中规定的“应该”。
①—What time________I pick yu up at yur huse tmrrw，sir?
—I haven't decided n the time.But I will call yu.
——先生，我明天什么时候到你家接你呢？
——我还没有决定时间，但是我会给你打电话的。
②Yu________nt get my supprt if yu d such a thing.
假如你做那种事，我就不支持你。
③What d yu mean，there are nly ten tickets? There ________be twelve.
你说的是什么意思？只有10张票吗？本来应该有12张票的。
④Accrding t the newlymade traffic regulatin，whever drives thrugh a red light________be fined at least 200 dllars.
根据新的交通法规，不论谁驾车闯红灯，罚款至少200美元。
【归纳七】情态动词表推测的用法
1．can用于肯定句中表示客观的可能性，意为“有时会”；用于疑问句中可以表示推测，意为“可能”，有时表示一种惊讶的语气；用于否定句中也可以表示推测，can't意为“不可能”，语气很强烈。
2．may/might用于肯定句中可以用来表示不十分肯定的推测，意为“有可能”；用于否定句中也可以表示推测，may nt意为“可能不”，表示一种不太确定的语气。
3．must表示推测时只能用于肯定句中，意为“一定，必定”，表示十分肯定的语气(在疑问句中或否定句中要用can/culd)。
4．shuld用来表示推测时意为“应该”，即含有“按道理来说应当如此”的意思。
①Yu'd better put n a heavy cat.Smetimes it________ be very cld here at night.
你最好穿上一件厚的大衣，在这里晚上有时很冷。
②It________be the vcabulary that caused yu the prblem in the exercise because yu knw a lt f wrds.
不可能是词汇导致了你习题中的问题，因为你知道很多单词。
③—Yu needn't take an umbrella.It isn't ging t rain.
—Well，I dn't knw.It________d.
——你不需要带伞，不会下雨的。
——哦，我不知道，或许会下雨。
④—Gd mrning.I've gt an appintment with Miss Smith in the Persnnel Department.
—Ah，gd mrning.Yu________be Mrs Peters.
⑤There________be any difficulty abut passing the rad test since yu have practiced a lt in the driving schl.
【归纳八】“情态动词＋have dne”的用法
①Srry，I'm late.I________________the alarm clck and gne back t sleep again.
对不起，我迟到了。我可能把闹钟关掉后又睡着了。
②Lk！There are s many mistakes in yur cmpsitin.Yu________________full attentin n it.
看！你的作文里有这么多的错误。你本应该把所有的注意力都集中在它上面的。
Ⅰ.判断每组句子的基本意思是否相同,相同的打“√",不同的打“×”。
（ ）1. Yu have t shw yur passprt.
Yu are required t shw yur passprt
（ ）2. He dare nt walk alne in the dark
He is afraid f walking alne in the dark
（ ）3.The girl is able t lk after herself.
The girl has the ability t lk after herself.
（ ）4.Yu had better take an umbrella in case it rains.
I advise yu t take an umbrella in case it rains.
（ ）5.Yu needn't cme s early
Yu shuldnt cme s early
Ⅱ.用括号中的单词或短语的正确形式改写句子,保持句意不变。
Yu are required t return the bk in three days. (have t)
______________________________________________________________
He was afraid f tuching it as it lked frightening. (dare nt)
______________________________________________________________
3. After years f practising, she has the ability t cmmunicate with French peple fluently nw(be able t)
______________________________________________________________
4. She advised me nt t stay up t late. (had better nt)
______________________________________________________________
5. It is nt necessary fr yu t rush as there are still tw hurs left. (need nt)
______________________________________________________________
6. It wasn't necessary fr yu t buy me this present. (nt have t)
______________________________________________________________
7. The baby girl is nly ne year ld, but she can walk n her wn nw.(be able t)
______________________________________________________________
8. Is she brave enugh t try this kind f fd?(dare)
______________________________________________________________
9. I was suggested that I shuld d exercise every day t keep fit. (had better)
______________________________________________________________
10. It is necessary t slve the prblem immediately. (need)
______________________________________________________________
Ⅲ.短文语法填空
Lucy is an utging lady.She 1.________play many kinds f musical instruments.Actually，she culd play the pian when she was 8 years ld.Lucy als keeps taking exercise every day.She says that she has t d sme sprts because she 2.________keep slim.“Yu 3.________get fat sn if yu dn't take exercise every day.”She usually says t her friends.
As fr her，an elegant lady shuld try t keep fit.Hwever，last week，she fund that she 4.________put n weight and her husband suggested that she shuld lse weight.And these days she'd rather that she 5.________(take) mre exercise every day.Hwever，she is always lack f time because she ught t take care f her children.
One night after supper，she walked quickly in rder t g dancing at the Tmrrw Park and she was late.On her way，she thught that the dancing must 6.________(begin)，and the cach 7.________have taught r shwn many new mves.She was afraid that her friends might 8.________(leave) befre she gt there.She was regretful then.She 9.________have had supper earlier，r she culd have taken a taxi，and indeed she needn't 10.________(take) a bath in advance.
When she reached the park finally，she fund nbdy was there.She remembered suddenly that it had been reprted n the radi that there wuld be a heavy rain that night.
参考答案：
一、课前预习
生词+短语
A)
1.功能，作用；2.下载；3.有关系的，相关的；4.日常饮食；5.对……着迷的；6.指点，建议；7.风俗，习惯，传统；8.礼貌，礼仪；9.诀窍，技巧；10.盘，碟；11.柄，把手；12.不同，不一样，有区别
B)
1.最好；2.会，能；3.不得不，必须；4.去……的路；5.解决，算出，制定，弄懂；6.害怕；7.保持健康；8.付款；9.餐桌礼仪；10.以防万一
将适当的情态动词填入下列对应的横线上
1.shuld; 2.can;be able t; 3.may;can; 4.have t; 5.dare; 6.must; 7.need; 8.had better
二、学习以情态动词
1.shuld; 2.must; 3.may/might; 4.can/culd; 5. dare; 6.need; 7.had better; 8.be able t; 9.ught t; 10.will/wuld
小试牛刀：1—5．DADDC 6—10．DABAC 11—15．CDADB
三、情态动词用法归纳
归纳一：①can ②culdn't ③be able t ④culd have wrked ⑤culd
归纳二：①May ②might as well
归纳三：①must ②must ③must
归纳四：①needn't ②needn't ③need ④dare ⑤daren't/desn't dare (t)
归纳五：①Wuld ②will ③wuld
归纳六：①shall ②shall ③shuld ④shall
归纳七：①can ②culdn't ③might ④must ⑤shuldn't
归纳八：①might have turned ff ②shuld have fixed
课后巩固
Ⅰ、1.√2.√ 3.√ 4.√ 5.×
Ⅱ、1.Yu have t return the bk in three days.
2.He dared nt tuch it as it lked frightening.
3. After years f practising, she is able t cmmunicate with French peple fluently nw.
4.She advised / said that I 'd better nt stay up t late.
5. Yu needn't rush as there are still tw hurs left.
6. Yu didn't have t buy me this present.
7. The baby girl is nly ne year ld, but she is able t walk n her wn nw.
8. Dare she try this kind f fd?
9. I had better d exercise every day t keep fit.
10. The prblem needs t be slved immediately
Ⅲ、1.can 2.must 3.shall 4.might 5.tk 6．have begun 7.culd 8.have left 9.shuld
10．have taken
情态动词＋have dne
用法
must have dne
一定做过某事，其否定形式为can't/culdn't have dne
can/culd have dne
1.本来能够做但却未做
2．可能做过某事
can't/culdn't have dne
不可能做过某事
may/might have dne
或许/可能做过某事
shuld/ught t
have dne
本该做但却未做，其否定形式表示本不该做但却做了
needn't have dne
做了本没有必要做的事情
学习并掌握情态动词的基本用法，能够根据语境选择合适的情态动词填空。
了解英国的餐桌礼仪，开阔国际视野。
学会使用形容词描述食物，并会使用适当的情态动词说服他人。
重点：
1.理解“能够、最好、必须、不敢”的表意功能。
2.通过本单元所学的词汇和语法结构，引导学生介绍自己喜爱的食物。
难点：
1.学会在对话中获取有关健康饮食的相关信息，并对信息进行归纳总结，进行语言输出。
困难:
2.能够提炼和总结建议的表达方式，并将其转化为类似情况的交流。
一、课前预习
1.词汇积累（核心单词+重点短语）
1.had better______________
2.be able t______________
3.have t______________
4.a way t______________
5.wrk ut______________
6.be afraid______________
7.stay healthy______________
8.pay fr _____________
9.table manners______________
10.in case______________
1.functin______________
2.dwnlad______________
3.related______________
4.diet______________
5.addict______________
6.tip______________
7.custm______________
8.manners______________
9.trick______________
10.plate______________
11.handle______________
12.differ______________
核心单词B）重点短语
2、将适当的情态动词填入下列对应的横线上:
应该__________ 2）会，能_______ __________ 3)可能，可以________ ______
不得不________ 5)敢_______ 6)一定，肯定________ 7)需要_________ 8)最好_________
二、学习以情态动词
词语释义
used t indicate bligatin,duty,r give advice/suggestins
t be bliged t shuld(expressing necessity, r expressing an pinin abut smething that is lgically very likely
expressing pssibility r expressing permissin r a wish
used t say that it is pssible fr sb/sth t d,r fr sth t happen, r used t sb knws hw t d sth
t be brave enugh t d sth.,t persuade sb t d sth dangerus,difficult r embarrassing s that they can shw they are nt afraid
t require sth/sb because they ar essential r very imprtant,nt just because yu wuld like t have them
t give advice t d r nt t d smething
T have the ability t d smething
________ used t say what is the right thing t d,r say what yu advise r recmmend
_______ used fr talking abut r predicting the future,r used fr shwing that sb is willing t d sth
单项选择
1．Yu________read the article if yu dn’t want t．
A．haven’t B．can’t C. mustn’t D．needn’t
2．I_______get this dne immediately r it will be t late．
A. must B．can C．may D．might
3．The huse is dark；the Brwns_________ t bed．
A．may g B．shuld g
C．shuld have gne D. must have gne
4．“That car must have cst a 1t f mney.”
“Oh，n，_____.”
A．it mustn’t B．it hasn’t
C．it desn’t D．it didn’t
5. I _______asleep in the crner，fr 1 remember nthing f what happened during the night．
A．might fall B. must fall
C．must have fallen D. can have fallen
6．I’m feeling sick．I_________s much chclate．
A．needn’t have eaten B. culdn’t have eaten
C．mustn’t have eaten D．shuldn’t have eaten
7. My wallet is nwhere t be fund．I________when 1 was n the bus．
A．must have drpped it B．must drp it
C. shuld have drpped it D．ught t have drpped it
8．Mr．Green________my letter，therwise he wuld have replied befre nw．
A．must have received B．must have failed t receive
C．must receive D. must fail t receive
9. Yu culd have dne much better yesterday．Why_________?
A．didn’t yu B．culdn’t yu
C. hadn’t yu D．shuldn’t yu
10．They have dne things they ught_______
A．nt t d B. nt t be dne
C．nt t have dne D．nt having dne
11. Yu had better__________a dctr as sn as pssible．
A．seen B．saw C．see D．seeing
12．I believe he__________an accident．therwise he wuld have arrived n time．
A．wuld have had B. culd have had
C．shuld have had D．must have had
13．Smething must have happened n their way here．Or they_______by nw．
A．shuld have arrived B．shuld arrive
C．wuld have arrived D．wuld arrive
14. “Are yu cming ‘t Jeff’s party?”
“I’m nt sure. I _________ g t the cncert instead.”
A．must B. wuld C．shuld D．might
15．“Will yu stay fr lunch?”
“Srry．___________．My brther is cming t see me．”
A．I mustn’t B. I can’t C．I needn’t D．I wn’t
三、情态动词用法归纳
【归纳一】can，culd与be able t的用法
1．表示现在的能力：can，am/is/are able t。
2．表示将来的能力：will be able t。
3．表示过去的能力：culd表示过去的能力，不表示是否成功地做了；was/were able t表示过去有能力做而且成功地做了。
4．can/culd表示惊讶，常用在否定句和疑问句中。
5．can/culd表示礼貌地请求别人做某事，意为“能，可以”。
①Samuel，the tallest by in ur class，________easily reach the bks n the tp shelf.
②It was really annying；I________get acrss t the data bank yu had recmmended.(过去的能力)
真令人恼火。我不能进入你推荐的数据库。
③If yu have a gd sleep，yu will________________ wrk ut this prblem.(将来的能力)
如果你好好睡一觉，你将能够解出这道题。
④I________________ut the prblem，but I was t nervus.(本来有能力做但未做)
我本来可以解决这个问题，但我太紧张了。
⑤Hw ________yu d such a silly thing？(表示惊讶)
你怎么能做那样的蠢事呢？
【归纳二】may与might的用法
1．表示请求、允许时，might比may的语气更委婉一些，否定回答时要用mustn't，表示“不可以”“禁止”“阻止”之意。
2．may/might还可以表示推测，意为“可能”。
3．“may/might as well＋动词原形”意为“最好，倒不如”。
①—________I play basketball this afternn?
—N，yu can't.
②If yu think the price f beef is t high，yu________________buy sme chicken.It depends n yu.
如果你认为牛肉太贵的话，你不妨买些鸡肉。你自己决定。
【归纳三】must的用法
1．must用于否定句，表示“禁止”，表示说话者的命令或指令，语气比较强烈。
2．must表示必要性，意为“必须”。
3．must表示偏执、固执，意为“非得，偏要”。
①—Can't yu stay a little lnger?
—It's getting late.I really________g nw.My daughter is hme alne.
②Prgress________lead t a better life and a better way f ding things.
进步一定会促成一种更好的生活和更好的做事情的方法。
③If yu________g，at least wait until the strm is ver.
【归纳四】need与dare的用法
1．need作情态动词时，主要用于否定句和疑问句中。
2．dare作情态动词时，主要用于疑问句、否定句和条件从句中，一般不用在肯定句中。
注意：在肯定句中need和dare通常为实义动词，否定和疑问需借助助动词d及其变形。
①My rm is in a mess，but I________clean it befre I g ut tnight.I can d it in the mrning.
②As far as I'm cncerned，yu________wrry abut us nw.
就我个人而言，你现在没有必要担心我们。
③Adults________t live their wn lives and that's difficult with children.
大人需要过他们自己的生活，但有了孩子就很难做到了。
④Hw________yu say I'm unfair?
你竟敢说我不公平？
⑤He________/________________speak English befre such a crwd.
在这么多人面前他不敢说英语。
【归纳五】will与wuld的用法
1．表示请求、建议等，wuld比will委婉客气。
2．will和wuld表示意志、愿望和决心。
3．will可以表示一种习惯性的动作，有“总是”或“总要”之意。
4．wuld可以表示过去的习惯性动作，比used t正式，但没有“现已无此习惯”的含义。
①________yu mind pening the windw fr me?
请你给我打开窗户好吗？
②Every mrning he________have a walk alng this river.
每天早晨，他总是沿着小河散步。
③Mum________tell us stries befre we went t bed.
过去在我们上床睡觉前，妈妈总给我们讲故事。
【归纳六】shall，shuld与ught t的用法
1．shall用于第一、第三人称疑问句中，表示说话人征求对方的意见和向对方请示。
2．shall用于第二、第三人称陈述句中，表示说话人给对方的命令、警告、允诺或威胁。
3．shuld表示义务、职责等，意为“应该”。
4．“Why/Hw＋shuld结构”表示说话人对某事不能理解，有感到意外、惊讶等意思，意为“竟会”。
5．ught t表示“应该”。
6．shall还可表示法律、规章和条例中规定的“应该”。
①—What time________I pick yu up at yur huse tmrrw，sir?
—I haven't decided n the time.But I will call yu.
——先生，我明天什么时候到你家接你呢？
——我还没有决定时间，但是我会给你打电话的。
②Yu________nt get my supprt if yu d such a thing.
假如你做那种事，我就不支持你。
③What d yu mean，there are nly ten tickets? There ________be twelve.
你说的是什么意思？只有10张票吗？本来应该有12张票的。
④Accrding t the newlymade traffic regulatin，whever drives thrugh a red light________be fined at least 200 dllars.
根据新的交通法规，不论谁驾车闯红灯，罚款至少200美元。
【归纳七】情态动词表推测的用法
1．can用于肯定句中表示客观的可能性，意为“有时会”；用于疑问句中可以表示推测，意为“可能”，有时表示一种惊讶的语气；用于否定句中也可以表示推测，can't意为“不可能”，语气很强烈。
2．may/might用于肯定句中可以用来表示不十分肯定的推测，意为“有可能”；用于否定句中也可以表示推测，may nt意为“可能不”，表示一种不太确定的语气。
3．must表示推测时只能用于肯定句中，意为“一定，必定”，表示十分肯定的语气(在疑问句中或否定句中要用can/culd)。
4．shuld用来表示推测时意为“应该”，即含有“按道理来说应当如此”的意思。
①Yu'd better put n a heavy cat.Smetimes it________ be very cld here at night.
你最好穿上一件厚的大衣，在这里晚上有时很冷。
②It________be the vcabulary that caused yu the prblem in the exercise because yu knw a lt f wrds.
不可能是词汇导致了你习题中的问题，因为你知道很多单词。
③—Yu needn't take an umbrella.It isn't ging t rain.
—Well，I dn't knw.It________d.
——你不需要带伞，不会下雨的。
——哦，我不知道，或许会下雨。
④—Gd mrning.I've gt an appintment with Miss Smith in the Persnnel Department.
—Ah，gd mrning.Yu________be Mrs Peters.
⑤There________be any difficulty abut passing the rad test since yu have practiced a lt in the driving schl.
【归纳八】“情态动词＋have dne”的用法
①Srry，I'm late.I________________the alarm clck and gne back t sleep again.
对不起，我迟到了。我可能把闹钟关掉后又睡着了。
②Lk！There are s many mistakes in yur cmpsitin.Yu________________full attentin n it.
看！你的作文里有这么多的错误。你本应该把所有的注意力都集中在它上面的。
Ⅰ.判断每组句子的基本意思是否相同,相同的打“√",不同的打“×”。
（ ）1. Yu have t shw yur passprt.
Yu are required t shw yur passprt
（ ）2. He dare nt walk alne in the dark
He is afraid f walking alne in the dark
（ ）3.The girl is able t lk after herself.
The girl has the ability t lk after herself.
（ ）4.Yu had better take an umbrella in case it rains.
I advise yu t take an umbrella in case it rains.
（ ）5.Yu needn't cme s early
Yu shuldnt cme s early
Ⅱ.用括号中的单词或短语的正确形式改写句子,保持句意不变。
Yu are required t return the bk in three days. (have t)
______________________________________________________________
He was afraid f tuching it as it lked frightening. (dare nt)
______________________________________________________________
3. After years f practising, she has the ability t cmmunicate with French peple fluently nw(be able t)
______________________________________________________________
4. She advised me nt t stay up t late. (had better nt)
______________________________________________________________
5. It is nt necessary fr yu t rush as there are still tw hurs left. (need nt)
______________________________________________________________
6. It wasn't necessary fr yu t buy me this present. (nt have t)
______________________________________________________________
7. The baby girl is nly ne year ld, but she can walk n her wn nw.(be able t)
______________________________________________________________
8. Is she brave enugh t try this kind f fd?(dare)
______________________________________________________________
9. I was suggested that I shuld d exercise every day t keep fit. (had better)
______________________________________________________________
10. It is necessary t slve the prblem immediately. (need)
______________________________________________________________
Ⅲ.短文语法填空
Lucy is an utging lady.She 1.________play many kinds f musical instruments.Actually，she culd play the pian when she was 8 years ld.Lucy als keeps taking exercise every day.She says that she has t d sme sprts because she 2.________keep slim.“Yu 3.________get fat sn if yu dn't take exercise every day.”She usually says t her friends.
As fr her，an elegant lady shuld try t keep fit.Hwever，last week，she fund that she 4.________put n weight and her husband suggested that she shuld lse weight.And these days she'd rather that she 5.________(take) mre exercise every day.Hwever，she is always lack f time because she ught t take care f her children.
One night after supper，she walked quickly in rder t g dancing at the Tmrrw Park and she was late.On her way，she thught that the dancing must 6.________(begin)，and the cach 7.________have taught r shwn many new mves.She was afraid that her friends might 8.________(leave) befre she gt there.She was regretful then.She 9.________have had supper earlier，r she culd have taken a taxi，and indeed she needn't 10.________(take) a bath in advance.
When she reached the park finally，she fund nbdy was there.She remembered suddenly that it had been reprted n the radi that there wuld be a heavy rain that night.
参考答案：
一、课前预习
生词+短语
A)
1.功能，作用；2.下载；3.有关系的，相关的；4.日常饮食；5.对……着迷的；6.指点，建议；7.风俗，习惯，传统；8.礼貌，礼仪；9.诀窍，技巧；10.盘，碟；11.柄，把手；12.不同，不一样，有区别
B)
1.最好；2.会，能；3.不得不，必须；4.去……的路；5.解决，算出，制定，弄懂；6.害怕；7.保持健康；8.付款；9.餐桌礼仪；10.以防万一
将适当的情态动词填入下列对应的横线上
1.shuld; 2.can;be able t; 3.may;can; 4.have t; 5.dare; 6.must; 7.need; 8.had better
二、学习以情态动词
1.shuld; 2.must; 3.may/might; 4.can/culd; 5. dare; 6.need; 7.had better; 8.be able t; 9.ught t; 10.will/wuld
小试牛刀：1—5．DADDC 6—10．DABAC 11—15．CDADB
三、情态动词用法归纳
归纳一：①can ②culdn't ③be able t ④culd have wrked ⑤culd
归纳二：①May ②might as well
归纳三：①must ②must ③must
归纳四：①needn't ②needn't ③need ④dare ⑤daren't/desn't dare (t)
归纳五：①Wuld ②will ③wuld
归纳六：①shall ②shall ③shuld ④shall
归纳七：①can ②culdn't ③might ④must ⑤shuldn't
归纳八：①might have turned ff ②shuld have fixed
课后巩固
Ⅰ、1.√2.√ 3.√ 4.√ 5.×
Ⅱ、1.Yu have t return the bk in three days.
2.He dared nt tuch it as it lked frightening.
3. After years f practising, she is able t cmmunicate with French peple fluently nw.
4.She advised / said that I 'd better nt stay up t late.
5. Yu needn't rush as there are still tw hurs left.
6. Yu didn't have t buy me this present.
7. The baby girl is nly ne year ld, but she is able t walk n her wn nw.
8. Dare she try this kind f fd?
9. I had better d exercise every day t keep fit.
10. The prblem needs t be slved immediately
Ⅲ、1.can 2.must 3.shall 4.might 5.tk 6．have begun 7.culd 8.have left 9.shuld
10．have taken
情态动词＋have dne
用法
must have dne
一定做过某事，其否定形式为can't/culdn't have dne
can/culd have dne
1.本来能够做但却未做
2．可能做过某事
can't/culdn't have dne
不可能做过某事
may/might have dne
或许/可能做过某事
shuld/ught t
have dne
本该做但却未做，其否定形式表示本不该做但却做了
needn't have dne
做了本没有必要做的事情
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