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人教新目标 (Go for it) 版八年级上册Section A课堂教学课件ppt
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这是一份人教新目标 (Go for it) 版八年级上册Section A课堂教学课件ppt，共36页。PPT课件主要包含了Revision，Practice，主将从现，主祈从现，should的用法等内容，欢迎下载使用。
1.If it rains tmrrw, we _____ visit the museum. A. dn’t d B .wn’t g C .aren’t g D. didn’t g.2. Will yu g t the park if it ____ fine? A. will be B. was C. is D /3. If yu __ t schl late, yur teacher _____ angry with yu. A. cme; are B. cme, will be C. will cme; are D. will cme; will be
4. If yu _____ hard, yu will ___ successful. A. wrk, are B. wrks, is C. t wrk, be D. wrk, be5. If I ____ t much TV, my mther will _______. A .watch, angry B .watched, be angry C .watch, be angry D .will watch, be angry
Unit 10If yu g t the party, yu’ll have a great time !
Sectin A 2d-Grammar Fcus
Learning Aims
Key wrds & phrases: upset; taxi; advice; get up late; study fr my English exam. Key sentences: 1. ---What will happen if they have the party tday? ---If they have it tday, half the class wn’t cme. 2. I dn’t knw what t d abut ging t Mike’s birthday party tmrrw night. 3. Can yu give me sme advice please?T learn t use the first cnditin t talk abut cnsequences .
Presentatin
Pre-grammar
Lk and say.
Lk at the pictures and make sentences with “if”.
If yu g t the party with Karen and Anna, yu’ll have a gd time.
If yu wear jeans t the party, the teachers wn’t let yu in.
If yu take the bus t the party, yu’ll be late.
If yu stay at hme, yu will be srry.
Sentence pattern transfrmatin.
He is ging t walk t schl.
He will be late.
We can say:
If he _______ t schl, he _____ ____ late.
will be
We can als say:
He _____ ____ late if he _______ t schl.
Tips: if 在主句前，用逗号隔开; if 在主句后，则不用逗号。
will be
It is ging t rain tmrrw.
I will stay at hme.
If it _____ tmrrw, I _____ _____ at hme.
will stay
I _____ _____ at hme if it _____ tmrrw.
will stay
If it ____ sunny tmrrw, they _____ ______ a trip.
It will be sunny tmrrw.
They will have a trip tmrrw.
will have
If he _______ study hard, he ____ _____ the exam.
will fail
He will fail the exam.
He wn’t study hard.
Say N r Yes.
Will they make fd at hme?Will they ask peple t bring fd?Will they rder fd frm a restaurant? Will they play games at the party?Will they give peple small gifts if they win the games?
Pre-listening
While-listening
Read and fill in the blanks.
Jeff’s party
Time: ___________
If they______ peple______bring fd, they _____ just _______ptates chips and_______. S they ______ fd______a restaurant.
They shuld ______ peple sme small ______. If they_____that, mre peple_____want t play the games and the games ______ mre exciting.
Jeff: Hey, Ben.Fr the party next week, shuld we ask peple t bring fd?Ben: N, let’s rder fd frm a restaurant. If we ask peple t bring fd, they’ll just bring ptat chips and chclate because they’ll be t lazy t ck.Jeff: OK. Fr the games, d yu think we shuld give peple sme small gifts if they win ?Ben: I think that’s a great idea! If we d that, mre peple will want t play the games.Jeff: Yes, the games will be mre exciting, t.
Read the cnversatin alud tgether.
ask sb t d sth.要求某人做某事
rder... frm...从...预定..., 命令 rder sb（nt) t d sth
t +adj.+t d sth.太...而不能...
give sb sth.=give sth t sb. 给某人某物
Jeff and Ben are rganizing a party. They will ______ fd frm a restaurant fr the party. ______ they ask peple t _______ fd t the party, they _____ just bring ___________ and ________ because they’ll be _____ lazy ____ ck. Fr the party games, they _____ give peple sme small gifts _____ they win. If they d that, mre peple ______ want t play the games and the games ______ be mre ________.
Retell the cnversatin (2d)
While-Grammar
Fill in the blanks accrding t grammar fcus.
1. 我想我将会乘公共汽车去参加聚会。 I _____ I’ll take the bus t the ______. 2. 如果你那样做，你将会迟到。If yu _____, _____ be late. 3. 我想我将待在家里。I _____ _____ stay at hme. 4. 如果你那样做，你将会觉得很抱歉。If yu ____, ______ ____ srry. 5. 如果他们今天聚会，将会发生什么事？ _____ ___ _______ if they _____ the party tday? 6. 如果他们今天聚会，班里一半的学生将不会去。 If they ______ the party tday, ______ the class _______ cme. 7. 我们应当要求人们带食物来吗？ Shuld we ______ peple t ______ fd? 8. 如果我们要求人们带食物来时，他们将会只带薯条和巧克力。 ______ we ______ peple t bring fd, ________ just ______ ptat chips and chclate.
d yu’ll
think party
think I’ll
d yu’ll be
What will happen have
have half wn’t
ask bring
they’ll bring
If ask
Grammar Fcus
Grammar fcus
Read the fllwing sentences and find sentences including “If… will…”.
Predict the cnsequences.
What are these sentences’ functin?
If yu stay at hme, yu’ll be srry.
为避免重复,条件状语从句常用助动词d(des/did)来替代上文所提到的动作。
指包含一个主语(或并列主语)和一个谓语(或并列谓语)的句子。
This is a dg.
Is this a dg?
Open yur eyes!
What a beautiful girl she is!
由一个主句和一个或多个从句构成的句子。
要想了解状语从句，那么首先得知道什么是状语。简单的说，状语通常由______充当或_______________________充当，副词可以在句子中修饰动词、形容词、副词或整个句子，表明方式，时间，地点、程度等，副词一般译成____________。
相当于副词的短语和句子
如：I g t wrk by car. (介词短语作方式状语) He runs fast. (副词作程度状语) He came yesterday. 他昨天来了。（副词作时间状语） I usually play ftball n the playgrund. （介词短语作地点状语） In rder t catch up with my classmates, I must study harder. (不定式作目的状语) Withut his help, we culdn't wrk ut the prblem in time. (介词短语作条件状语)
◆ 用一个句子做状语，这个句子就叫状语从句。
如：While Jhn was watching TV, his wife was cking. (时间状语从句) We must camp where we can get water. (地点状语从句) He didn’t attend classes yesterday because he was ill. (原因状语从句) We must d as the teacher tells us. (方式状语从句) I turned ff the TV s that my sister culd study. (目的状语从句) The child is s yung that he can’t g t schl. (结果状语从句) If it rains tmrrw, I will take my umbrella. (条件状语从句) Even if/thugh it is raining, we will g there. (让步状语从句) He plays ftball as well as his brther. (比较状语从句)
从上面的例子可以看出，状语从句种类繁多，一般可分为9大状语从句：时间/地点/原因/方式状语从句（帮助记忆：when/where/why/hw）；目的/结果状语从句；条件/让步状语从句；比较状语从句。初中阶段主要掌握：时间状语从句、条件状语从句、原因状语从句、结果状语从句、目的状语从句、让步状语从句、方式状语从句。
三、if 引导的条件状语从句
If是连词，表示假设或条件，意为 ____________________，表示将会发生和可能发生的事，或进行提醒警告。引导条件状语从句，既可放在主句_____，也可放在主句_____。若if条件句放在句首，从句后面要加______与主句隔开。
“如果；假如；倘若”
如：如果你去那儿，我也会去。
______________, I’ll g, t.
我妈妈如果有空，就会带我去公园
My mther will take me t the park ____________.
If yu g there
if she is free
If条件状语从句的复合句中主从句的时态
if引导的条件状语从句要遵循“主将从现”的规则。即if引导的条件状语从句，主句用一般将来时(用will形式，不能用be ging t形式)，从句用一般现在时。
❶ 主句是一般将来时，从句用一般现在时。
如：If I g t the party, I’ll have a great time.
I’ll have a great time if I g t the party.
句子结构：If+从句,主句.=主句+if+从句.
如：If yu eat bad fd, yu may fall ill.
❷ 主句谓语含有情态动词may/might/can/ must/shuld 等，从句用一般现在时。
If the traffic lights are red, yu must stp and wait.
Yu can pass the exam if yu wrk hard.
❸ 如果主句是祈使句，那么从句通常要用一般现在时。 (即主祈从现)
如：If the light is red, wait fr a minute.
If yu want t have a chat , call me up.
Dn’t wait fr me if I am late.
④表示真实条件、客观真理、自然现象、定理定义、 民间谚语等，句型是：If + 句子 （一般现在时 ），+ 主句(一般现在时）. (即主现从现)
必然的结果the result that will certainly happen
如果温度低于零摄氏度, 水就会变成冰。If the temperature____ belw zer, water ____ (turn) int ice. =Water ____(turn) int ice if the temperature____belw zer.
注意：1.If 还可以用于宾语从句中，表示“是否”，相当于 whether，引导宾语从句，时态需根据语境确定。如：I dn't knw if he will cme tmrrw. If he cmes，I will tell yu.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，引导宾语从句； 后一个if表示“如果”，引导条件状语从句)
有些句子可与含if的条件状语从句互相转换。
❶ 有if引导的条件状语从句的复合句中，当主句和从句的主语均为yu时，可转换为“祈使句，and+简单句”或“祈使句，r(否则)+简单句”
如：If yu study hard, yu’ll pass the exam easily.
_____________, _____ yu’ll pass the exam easily.
If yu dn’t hurry up, yu will be late again.
__________, _____ yu will be late again.
Yu will be healthier if yu eat well.
_________, _____ yu will be healthier.
❷ 借助介词with 或withut来转换。
如：Yu can’t drive the car if the dr is pen.
Yu can’t drive the car __________________.
with the dr pen
If there is n water, fish will die.
Fish will die _____________.
withut water
With yur help, I’ll finish my jb sn.
_____________, I’ll finish my jb sn.
If yu help me
shuld为情态动词，意为“应该，应当”，没有人称和数目的变化，后跟动词原形，用来表示建议、要求、劝告、命令、推断等，否定形式是shuldn’t。如：We shuld learn frm each ther. 我们应该相互学习。 Where shuld I meet yu tnight? 今天晚上我应该在哪见你？
1. If it rains, he ____ ____ ____ _____ tnight . (待在家)2. If it rains, there _____ ____ (be) n P.E class tmrrw. 3. If it rains, my mther ____ ______ me t schl. （开车送我去学校）
will stay at hme
will drive
4. If it ________ ____ (nt rain) tmrrw, he will g fishing . If it ________ ______(becme cld变得更冷), I _____ ______ (wear) mre clthes. If the frg ______ ____ (想要)play with Peppa, it ____ ______ (jump) up a high hill.
desn’t rain
becmes clder
will jump
will wear
wants t
1. ________ yu drive, yu will nt be late fr wrk. A. If B. Unless (除非) C. Thugh D. Or(否则)
2. There is ging t ______ a sprts meeting next week. If it _______, we’ll have t cancel it .A. be, desn’t rain B. have, will rain C. be, rains D .have, rains
3. I’m waiting fr my friend. ______, I’ll g shpping alne.A. If she cmes B. If she isn’t cme C. If she desn’t cme D. If she didn’t cme
Pst-Grammar
Fill in the blanks with the crrect frms f the verbs in brackets.
knw; d 句意“我不知道明晚参加迈克的生日聚会的事怎么做？” dn’t 后跟动词原形；what t + 动词形式，复合不定式结构。
2. think 本句表达一客观事实，主语parents是复数形式，故用一般现在时态。句意“我父母认为我应当为下周的英语考试而学习” 。
3. g; will be 本句是含 if 条件状语从句的主从复合句；应遵循主将从现原则。句意“如果我去参加聚会，他们会很失望。”
4. tells; have 本句为 but 连接的并列句，后半句为一般现在时，故前半句也应是一般现在时，主语 Mike 是第三人称单数形式，故填 tells；dn’t 后跟动词原形。
5. wear; will lk 本句为含if条件状语从句的主从复合句，应循主将从现原则。句意“如果我穿牛仔，我看起来会很糟糕。”
7. walk; will take 本句为含if条件状语从句的主从复合句，应循主将从现原则。句意“如果我步行去，将会花费我很多时间。”
take; will be 本句为含if条件状语从句的主从复合句，应循主将从现原则。 句意“如果我乘出租车去，又将会很贵。” 。
advice是不可数名词，不能说an advice, 而是a piece f advice，“两个建议”，我们通常说tw pieces f advice.注意：piece要采用复数，advice不可数，但piece可数。我们也可以说为sme pieces f advice一些建议。
Cmplete the sentences using yur wn ideas.
1. If I get up late tmrrw, _______________________. 2. If I dn’t finish my hmewrk, _____________________. 3. If I dn’t get enugh exercise, ___________________. 4. I will nt have enugh time t study if ______________________________. 5. I will nt make any friends if __________________________.
I will miss the schl bus
my teacher will be angry
I wn’t be strng
I play cmputer games all the day
I always make them upset
Write a stry with yur grup n a piece f paper. The first persn begins the stry with “I think I will …” The thers add sentences with “if ”. Pass the paper arund twice. Then read the stry.
I think I will g t the mvies tnight. If I g t the mvies, I wn’t finish my hmewrk. If I dn’t finish my hmewrk …
It is called “Chain Reactin(连锁反应)” r “Butterfly Effect（蝴蝶效应）”.
Fun time nw!
Chain stry:
If I get up at 9:00 tmrrw, I’ll be late. If I am late, the teacher will be very angry. If the teacher is very angry, he will call my mther. If he calls my mther, she will cry. If she cries, I will be sad. If I am sad, I will eat a lt. If I eat a lt, I will be very fat. If I am very fat, I wn’t be handsme. If…
1. _____, yu will get gd grades. (2020湖南湘西中考) A. If yu will wrk hard B. If yu wrk hard C. If yu wrked hard2. Yu will feel cld _______ yu dn’t wear a cat. (2020 甘肃金昌) A. s B. thugh C. if D. unless3. Our schl basketball team will win the next match (比赛) _______ they practice mre. (2020 江苏淮安) A. if B. befre C. thugh D. while 4. — Let’s g climbing Langshan Muntain this Saturday _______ the weather is fine. (2019 湖南邵阳) —Gd idea! A. thugh B. if C. unless
(1) Put up yur hands if yu _____ (have) any questins.(2) If it ____ (be) cld tmrrw, I will wear my sweater. (3) He can g hme if he ________ (finish) his hmewrk.(4) 如果他来了，我们会让你知道的。 If he ________, we ________ yu knw.(5) 如果天不下雨，她会开车来我家的。 If it ___________, she _________ t my hme.
cmes will let
desn't rain will drive
1. If I g t the mvies, I______ my hmewrk n time. A. didn’t finishB. dn’t finish C. wn’t finishD. finish2. — I dn’t remember the teacher's telephne number.— If yu______，we can call her fr help.areB. willC.dD. did3. If it ______sunny tmrrw, I will g shpping with my friend in the supermarket.A. will beB. be C. is D. was4. — Can students g nline during lessns?— They can ______ it is fr the lessn.if B. r C. s D. but5. Yu will see many aunts dancing tgether n the square if it ____ in the evening. A. desn’t rain B. rains C. will rain D. wn’t rain
1.If it rains tmrrw, we _____ visit the museum. A. dn’t d B .wn’t g C .aren’t g D. didn’t g.2. Will yu g t the park if it ____ fine? A. will be B. was C. is D /3. If yu __ t schl late, yur teacher _____ angry with yu. A. cme; are B. cme, will be C. will cme; are D. will cme; will be
4. If yu _____ hard, yu will ___ successful. A. wrk, are B. wrks, is C. t wrk, be D. wrk, be5. If I ____ t much TV, my mther will _______. A .watch, angry B .watched, be angry C .watch, be angry D .will watch, be angry
Unit 10If yu g t the party, yu’ll have a great time !
Sectin A 2d-Grammar Fcus
Learning Aims
Key wrds & phrases: upset; taxi; advice; get up late; study fr my English exam. Key sentences: 1. ---What will happen if they have the party tday? ---If they have it tday, half the class wn’t cme. 2. I dn’t knw what t d abut ging t Mike’s birthday party tmrrw night. 3. Can yu give me sme advice please?T learn t use the first cnditin t talk abut cnsequences .
Presentatin
Pre-grammar
Lk and say.
Lk at the pictures and make sentences with “if”.
If yu g t the party with Karen and Anna, yu’ll have a gd time.
If yu wear jeans t the party, the teachers wn’t let yu in.
If yu take the bus t the party, yu’ll be late.
If yu stay at hme, yu will be srry.
Sentence pattern transfrmatin.
He is ging t walk t schl.
He will be late.
We can say:
If he _______ t schl, he _____ ____ late.
will be
We can als say:
He _____ ____ late if he _______ t schl.
Tips: if 在主句前，用逗号隔开; if 在主句后，则不用逗号。
will be
It is ging t rain tmrrw.
I will stay at hme.
If it _____ tmrrw, I _____ _____ at hme.
will stay
I _____ _____ at hme if it _____ tmrrw.
will stay
If it ____ sunny tmrrw, they _____ ______ a trip.
It will be sunny tmrrw.
They will have a trip tmrrw.
will have
If he _______ study hard, he ____ _____ the exam.
will fail
He will fail the exam.
He wn’t study hard.
Say N r Yes.
Will they make fd at hme?Will they ask peple t bring fd?Will they rder fd frm a restaurant? Will they play games at the party?Will they give peple small gifts if they win the games?
Pre-listening
While-listening
Read and fill in the blanks.
Jeff’s party
Time: ___________
If they______ peple______bring fd, they _____ just _______ptates chips and_______. S they ______ fd______a restaurant.
They shuld ______ peple sme small ______. If they_____that, mre peple_____want t play the games and the games ______ mre exciting.
Jeff: Hey, Ben.Fr the party next week, shuld we ask peple t bring fd?Ben: N, let’s rder fd frm a restaurant. If we ask peple t bring fd, they’ll just bring ptat chips and chclate because they’ll be t lazy t ck.Jeff: OK. Fr the games, d yu think we shuld give peple sme small gifts if they win ?Ben: I think that’s a great idea! If we d that, mre peple will want t play the games.Jeff: Yes, the games will be mre exciting, t.
Read the cnversatin alud tgether.
ask sb t d sth.要求某人做某事
rder... frm...从...预定..., 命令 rder sb（nt) t d sth
t +adj.+t d sth.太...而不能...
give sb sth.=give sth t sb. 给某人某物
Jeff and Ben are rganizing a party. They will ______ fd frm a restaurant fr the party. ______ they ask peple t _______ fd t the party, they _____ just bring ___________ and ________ because they’ll be _____ lazy ____ ck. Fr the party games, they _____ give peple sme small gifts _____ they win. If they d that, mre peple ______ want t play the games and the games ______ be mre ________.
Retell the cnversatin (2d)
While-Grammar
Fill in the blanks accrding t grammar fcus.
1. 我想我将会乘公共汽车去参加聚会。 I _____ I’ll take the bus t the ______. 2. 如果你那样做，你将会迟到。If yu _____, _____ be late. 3. 我想我将待在家里。I _____ _____ stay at hme. 4. 如果你那样做，你将会觉得很抱歉。If yu ____, ______ ____ srry. 5. 如果他们今天聚会，将会发生什么事？ _____ ___ _______ if they _____ the party tday? 6. 如果他们今天聚会，班里一半的学生将不会去。 If they ______ the party tday, ______ the class _______ cme. 7. 我们应当要求人们带食物来吗？ Shuld we ______ peple t ______ fd? 8. 如果我们要求人们带食物来时，他们将会只带薯条和巧克力。 ______ we ______ peple t bring fd, ________ just ______ ptat chips and chclate.
d yu’ll
think party
think I’ll
d yu’ll be
What will happen have
have half wn’t
ask bring
they’ll bring
If ask
Grammar Fcus
Grammar fcus
Read the fllwing sentences and find sentences including “If… will…”.
Predict the cnsequences.
What are these sentences’ functin?
If yu stay at hme, yu’ll be srry.
为避免重复,条件状语从句常用助动词d(des/did)来替代上文所提到的动作。
指包含一个主语(或并列主语)和一个谓语(或并列谓语)的句子。
This is a dg.
Is this a dg?
Open yur eyes!
What a beautiful girl she is!
由一个主句和一个或多个从句构成的句子。
要想了解状语从句，那么首先得知道什么是状语。简单的说，状语通常由______充当或_______________________充当，副词可以在句子中修饰动词、形容词、副词或整个句子，表明方式，时间，地点、程度等，副词一般译成____________。
相当于副词的短语和句子
如：I g t wrk by car. (介词短语作方式状语) He runs fast. (副词作程度状语) He came yesterday. 他昨天来了。（副词作时间状语） I usually play ftball n the playgrund. （介词短语作地点状语） In rder t catch up with my classmates, I must study harder. (不定式作目的状语) Withut his help, we culdn't wrk ut the prblem in time. (介词短语作条件状语)
◆ 用一个句子做状语，这个句子就叫状语从句。
如：While Jhn was watching TV, his wife was cking. (时间状语从句) We must camp where we can get water. (地点状语从句) He didn’t attend classes yesterday because he was ill. (原因状语从句) We must d as the teacher tells us. (方式状语从句) I turned ff the TV s that my sister culd study. (目的状语从句) The child is s yung that he can’t g t schl. (结果状语从句) If it rains tmrrw, I will take my umbrella. (条件状语从句) Even if/thugh it is raining, we will g there. (让步状语从句) He plays ftball as well as his brther. (比较状语从句)
从上面的例子可以看出，状语从句种类繁多，一般可分为9大状语从句：时间/地点/原因/方式状语从句（帮助记忆：when/where/why/hw）；目的/结果状语从句；条件/让步状语从句；比较状语从句。初中阶段主要掌握：时间状语从句、条件状语从句、原因状语从句、结果状语从句、目的状语从句、让步状语从句、方式状语从句。
三、if 引导的条件状语从句
If是连词，表示假设或条件，意为 ____________________，表示将会发生和可能发生的事，或进行提醒警告。引导条件状语从句，既可放在主句_____，也可放在主句_____。若if条件句放在句首，从句后面要加______与主句隔开。
“如果；假如；倘若”
如：如果你去那儿，我也会去。
______________, I’ll g, t.
我妈妈如果有空，就会带我去公园
My mther will take me t the park ____________.
If yu g there
if she is free
If条件状语从句的复合句中主从句的时态
if引导的条件状语从句要遵循“主将从现”的规则。即if引导的条件状语从句，主句用一般将来时(用will形式，不能用be ging t形式)，从句用一般现在时。
❶ 主句是一般将来时，从句用一般现在时。
如：If I g t the party, I’ll have a great time.
I’ll have a great time if I g t the party.
句子结构：If+从句,主句.=主句+if+从句.
如：If yu eat bad fd, yu may fall ill.
❷ 主句谓语含有情态动词may/might/can/ must/shuld 等，从句用一般现在时。
If the traffic lights are red, yu must stp and wait.
Yu can pass the exam if yu wrk hard.
❸ 如果主句是祈使句，那么从句通常要用一般现在时。 (即主祈从现)
如：If the light is red, wait fr a minute.
If yu want t have a chat , call me up.
Dn’t wait fr me if I am late.
④表示真实条件、客观真理、自然现象、定理定义、 民间谚语等，句型是：If + 句子 （一般现在时 ），+ 主句(一般现在时）. (即主现从现)
必然的结果the result that will certainly happen
如果温度低于零摄氏度, 水就会变成冰。If the temperature____ belw zer, water ____ (turn) int ice. =Water ____(turn) int ice if the temperature____belw zer.
注意：1.If 还可以用于宾语从句中，表示“是否”，相当于 whether，引导宾语从句，时态需根据语境确定。如：I dn't knw if he will cme tmrrw. If he cmes，I will tell yu.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，引导宾语从句； 后一个if表示“如果”，引导条件状语从句)
有些句子可与含if的条件状语从句互相转换。
❶ 有if引导的条件状语从句的复合句中，当主句和从句的主语均为yu时，可转换为“祈使句，and+简单句”或“祈使句，r(否则)+简单句”
如：If yu study hard, yu’ll pass the exam easily.
_____________, _____ yu’ll pass the exam easily.
If yu dn’t hurry up, yu will be late again.
__________, _____ yu will be late again.
Yu will be healthier if yu eat well.
_________, _____ yu will be healthier.
❷ 借助介词with 或withut来转换。
如：Yu can’t drive the car if the dr is pen.
Yu can’t drive the car __________________.
with the dr pen
If there is n water, fish will die.
Fish will die _____________.
withut water
With yur help, I’ll finish my jb sn.
_____________, I’ll finish my jb sn.
If yu help me
shuld为情态动词，意为“应该，应当”，没有人称和数目的变化，后跟动词原形，用来表示建议、要求、劝告、命令、推断等，否定形式是shuldn’t。如：We shuld learn frm each ther. 我们应该相互学习。 Where shuld I meet yu tnight? 今天晚上我应该在哪见你？
1. If it rains, he ____ ____ ____ _____ tnight . (待在家)2. If it rains, there _____ ____ (be) n P.E class tmrrw. 3. If it rains, my mther ____ ______ me t schl. （开车送我去学校）
will stay at hme
will drive
4. If it ________ ____ (nt rain) tmrrw, he will g fishing . If it ________ ______(becme cld变得更冷), I _____ ______ (wear) mre clthes. If the frg ______ ____ (想要)play with Peppa, it ____ ______ (jump) up a high hill.
desn’t rain
becmes clder
will jump
will wear
wants t
1. ________ yu drive, yu will nt be late fr wrk. A. If B. Unless (除非) C. Thugh D. Or(否则)
2. There is ging t ______ a sprts meeting next week. If it _______, we’ll have t cancel it .A. be, desn’t rain B. have, will rain C. be, rains D .have, rains
3. I’m waiting fr my friend. ______, I’ll g shpping alne.A. If she cmes B. If she isn’t cme C. If she desn’t cme D. If she didn’t cme
Pst-Grammar
Fill in the blanks with the crrect frms f the verbs in brackets.
knw; d 句意“我不知道明晚参加迈克的生日聚会的事怎么做？” dn’t 后跟动词原形；what t + 动词形式，复合不定式结构。
2. think 本句表达一客观事实，主语parents是复数形式，故用一般现在时态。句意“我父母认为我应当为下周的英语考试而学习” 。
3. g; will be 本句是含 if 条件状语从句的主从复合句；应遵循主将从现原则。句意“如果我去参加聚会，他们会很失望。”
4. tells; have 本句为 but 连接的并列句，后半句为一般现在时，故前半句也应是一般现在时，主语 Mike 是第三人称单数形式，故填 tells；dn’t 后跟动词原形。
5. wear; will lk 本句为含if条件状语从句的主从复合句，应循主将从现原则。句意“如果我穿牛仔，我看起来会很糟糕。”
7. walk; will take 本句为含if条件状语从句的主从复合句，应循主将从现原则。句意“如果我步行去，将会花费我很多时间。”
take; will be 本句为含if条件状语从句的主从复合句，应循主将从现原则。 句意“如果我乘出租车去，又将会很贵。” 。
advice是不可数名词，不能说an advice, 而是a piece f advice，“两个建议”，我们通常说tw pieces f advice.注意：piece要采用复数，advice不可数，但piece可数。我们也可以说为sme pieces f advice一些建议。
Cmplete the sentences using yur wn ideas.
1. If I get up late tmrrw, _______________________. 2. If I dn’t finish my hmewrk, _____________________. 3. If I dn’t get enugh exercise, ___________________. 4. I will nt have enugh time t study if ______________________________. 5. I will nt make any friends if __________________________.
I will miss the schl bus
my teacher will be angry
I wn’t be strng
I play cmputer games all the day
I always make them upset
Write a stry with yur grup n a piece f paper. The first persn begins the stry with “I think I will …” The thers add sentences with “if ”. Pass the paper arund twice. Then read the stry.
I think I will g t the mvies tnight. If I g t the mvies, I wn’t finish my hmewrk. If I dn’t finish my hmewrk …
It is called “Chain Reactin(连锁反应)” r “Butterfly Effect（蝴蝶效应）”.
Fun time nw!
Chain stry:
If I get up at 9:00 tmrrw, I’ll be late. If I am late, the teacher will be very angry. If the teacher is very angry, he will call my mther. If he calls my mther, she will cry. If she cries, I will be sad. If I am sad, I will eat a lt. If I eat a lt, I will be very fat. If I am very fat, I wn’t be handsme. If…
1. _____, yu will get gd grades. (2020湖南湘西中考) A. If yu will wrk hard B. If yu wrk hard C. If yu wrked hard2. Yu will feel cld _______ yu dn’t wear a cat. (2020 甘肃金昌) A. s B. thugh C. if D. unless3. Our schl basketball team will win the next match (比赛) _______ they practice mre. (2020 江苏淮安) A. if B. befre C. thugh D. while 4. — Let’s g climbing Langshan Muntain this Saturday _______ the weather is fine. (2019 湖南邵阳) —Gd idea! A. thugh B. if C. unless
(1) Put up yur hands if yu _____ (have) any questins.(2) If it ____ (be) cld tmrrw, I will wear my sweater. (3) He can g hme if he ________ (finish) his hmewrk.(4) 如果他来了，我们会让你知道的。 If he ________, we ________ yu knw.(5) 如果天不下雨，她会开车来我家的。 If it ___________, she _________ t my hme.
cmes will let
desn't rain will drive
1. If I g t the mvies, I______ my hmewrk n time. A. didn’t finishB. dn’t finish C. wn’t finishD. finish2. — I dn’t remember the teacher's telephne number.— If yu______，we can call her fr help.areB. willC.dD. did3. If it ______sunny tmrrw, I will g shpping with my friend in the supermarket.A. will beB. be C. is D. was4. — Can students g nline during lessns?— They can ______ it is fr the lessn.if B. r C. s D. but5. Yu will see many aunts dancing tgether n the square if it ____ in the evening. A. desn’t rain B. rains C. will rain D. wn’t rain
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