高中英语牛津译林版 (2020)必修 第三册Unit 2 Natural disastersGrammar and usage图片ppt课件

这是一份高中英语牛津译林版 (2020)必修 第三册Unit 2 Natural disastersGrammar and usage图片ppt课件，文件包含译林英语高一必修三Unit2NaturaldisastersGrammarandusage课件pptx、译林英语高一必修三Unit2NaturaldisastersGrammarandusage教案doc、译林英语高一必修三Unit2NaturaldisastersGrammarandusage练习答案docx、译林英语高一必修三Unit2NaturaldisastersGrammarandusage练习docx等4份课件配套教学资源，其中PPT共31页， 欢迎下载使用。
T-infinitives 不定式
Grammar and usage
1.T talk t a friend penly and sincerely is very imprtant when smething unpleasant refused t ffer this schl mney and purpse f new technlgies is t make life easier, nt t make it mre difficult. 4. He invited me t give a speech n Chinese histry.
Read the sentences belw and figure ut the functins f t-infinitives.
predicative表语
bject cmplement 宾补
cnclusin:不定式可以构成句子的基本成分，充当主语，宾语，表语，宾语补足语
5.Vinny is the first disabled persn t sail arund the wrld. 6.T get there n time, I tk a taxi instead f a pened the dr, nly t find tw strangers utside.
attributive 定语
adverbial f purpse 目的状语
adverbial f result 结果状语
一．不定式做主语 动词不定式作主语时，句子的谓语动词常用_____ （1）把不定式置于_________。如： a) T get there by bike will take us half an hur. b) Never t make mistakes is impssible.(2)用it作形式主语①It＋be＋名词＋t d It's ur duty t take gd care f the ld. ②It＋be＋形容词＋fr sb＋t d(difficult, easy, hard, imprtant, impssible, necessary)     It is difficult fr us t finish writing the cmpsitin in a quarter f an hur.
思考：it作形式主语的句型有哪些？
③It＋be＋形容词＋f sb＋t d (careless, clever, gd, flish, hnest, kind, lazy, nice, right silly, stupid ,wise) It is stupid f yu t write dwn everything the teacher says. ④It takes sb + sme time + t d Hw lng did it take yu t finish the wrk? ⑤It seems(appears)＋形容词＋t d It seemed impssible t save mney.
①只能跟不定式作宾语的动词有哪些？希望想要做决定，假装同意和答应，碰巧没能安排好，决心准备再提供，设法学会拒绝。 I decided t ask fr my mney back. When ur visit t the farm was ver, we expected t start back n ft.
hpe,wish/expect/want/intend,decide
pretend,agree, prmise
happen,fail, arrange/plan
determine, prepare, ffer
refuse, learn, manage
②it做形式宾语 S＋V＋it＋n/adj +(fr sb)＋t d 常见动词______________________________ a) We ___________________________ (认为学习一门外语很重要)a freign language well. b) He feels __________(这是他的责任)t help the pr. ③介词but, except, besides + t d/d (有d无t，无d有t)The enemy sldiers had n chice but t give in. On Sunday afternn I had nthing t d but watch TV.
find, think, believe, cnsider，feel等
think it very significant t learn
it his duty
三、不定式做表语 请找出表语部分①T be kind t the enemy is t be cruel t the peple. ②My chief purpse is t pint ut the difficulties f the matter. ③What I wuld suggest is t put ff the meeting.
四、不定式作宾语补足语 (1)常见要求不定式作宾补的动词有：allw, ask, advise, beg, cause, drive（强迫），encurage, expect, frbid, frce, get, wuld like (lve, hate), rder, permit, persuade, teach, tell, want, warn, wish, ask fr, care fr, call n, cunt n, depend n, wait fr, lng fr（渴望）,prepare fr, wish fr等。 ①Wuld yu like me t give yur regards t Mary? ②不允许你在此吸烟。______________________________________
Yu are nt allwed t smke here.
五.作目的状语 常用短语： ①T prtect yurself frm a typhn, fllw the prper safety prcedures. ②During a typhn, yu shuld d yur best t keep yur head.③Pay attentin t news updates s as t cnfirm whether the danger is gne.
in rder t / s as t d
T-infinitives as attributives and adverbials f result
Find the sentences with t-infinitives as attributives and adverbials f result in part A n p20.
Explring the rules
I had enugh fd and water t last a whle week!
When the t-infinitive is used as an attributive, it is ften put (befre/after) the nun r prnun it mdifies.动词不定式作定语，一般置于被修饰的名词或代词之后。并且与名词或代词之间常有一定的逻辑关系。
T-infinitives as attributives
What is the lgical relatinship?
1.Wendy was the first ne t arrive at schl. 名词或代词为不定式的逻辑主语2. I have a meeting t attend.名词或代词为不定式的逻辑宾语This is a gd tpic t _____________(谈论). 不及物动词，需加介词3.She expressed a wish t make a change. 名词与不定式是同位关系
subject–verb
3.Clint was the secnd persn t survive in the earthquake.
1. A persn needs just three things t be truly happy in the wrld—smene t lve, smething t d and smething t hpe fr.
2.Wise men speak because they have smething t say; fls because they have t say smething.
4.The need t lve and t be lved is universal.5. In rder t grw, peple need t have a willingness t take risks and t accept the pssibility that they may fail at first.
Anna is interviewing her teacher, Mr Li, abut his experiences during a hurricane. Find the sentences with t-infinitives as attributives.
When the wind and rain stpped, I lked ut f the windw, nly t see huge trees lying acrss the street and water everywhere!
That mrning, I turned n the TV fr sme lcal news, nly t hear that a hurricane was n its way.
When the t-infinitive is used as an adverbial f result, it can refer t an __________ (expected/unexpected) result. In this case, we ften use nly befre the t-infinitive.
T-infinitives as adverbials f result
nly t d, 动词不定式常表示没有预料到的结果
T-infinitives as adverbial f result
1. It’s never t late t learn. t ... t I was frtunate enugh t get the ticket. ... enugh t Jane sang s well as t cme ut first in the singing cmpetitin. s ... as t He left hme, never t return. never t ...
1. 我匆忙赶到家，结果发现所有的家具都被洪水冲走了。I hurried hme, _________________________________________________________.2. 她很漂亮，吸引了我们所有人。 She is s beautiful __________________.3. 这箱子太沉了，我挪都挪不动。The bx is t heavy ___________________.4. 不要逃避问题，要想成功，你得学会应对难题。Dn’t avid the prblem. __________, yu have t tackle yur difficulties.
nly t find all the furniture had been washed
as t attract all f us
fr me t even mve
away by the fld
Cmplete the fllwing sentences.
Task 1: Match the first half f the sentences belw with the crrect t-infinitives. Then try t understand the functins f the t-infinitives.
1. I went t the annual earthquake wrkshp 2. The authrities tld the lcal peple 3. They arrived at the airprt 4. Befre we returned hme, the fld damage needed5. This was the last city
a t be cleared f peple befre the vlcan erupted.b t be repaired.c t stay inside when the typhn arrived.d nly t find the flight had been cancelled due t the snwstrm.e t learn sme safety tips.
adverbial f purpse
bject cmplement
adverbial f result
attributive
Applying the rules
Task 2: Belw is Anna’s t-d list frm yesterday afternn. Cmplete the diary entry belw using t-infinitives.
t find bks abut hurricanes
t find he was nt in his ffice
t make PPT slides fr my prject
Task 3: Jim is talking t his friend Julie abut his experience after the earthquake. In pairs, cmplete the cnversatin belw using t-infinitives.
was actually the first t leave
t keep us warm
wanted t return hme as sn as pssible
t find it cmpletely destryed
advised us t take an active part in the rebuilding
Task 4: Rewrite the passage, using t-infinitives.
Thugh the causes f flds are unavidable, preparatins befre, during and after a fld can make a difference.Befre a fld ccurs, we must d smething that can reduce the risk t peple and their valuables. Firstly, yu shuld prepare disaster supplies like a light surce, sleeping bags, and at least three days f fd and drinking water. Secndly, yu shuld bring the mst imprtant bjects t the upper levels f yur huse. In this way, they will nt be washed away by the fld. During a fld, it’s imprtant that yu shuld leave where yu are immediately and mve t higher grund. Dn’t walk r drive thrugh the mving fldwater, since as little as 15 centimetres f mving water can knck an adult dwn and 60 centimetres can wash mst cars away.After a fld, listen fr fficial news reprt and find ut when it’s safe t return t yur hme. As yu return hme, watch ut fr pssible dangers. Keep away frm the fldwater. It may be plluted, s dn’t tuch it.
1.Befre a fld ccurs, we must d smething that can reduce the risk t peple and their valuables.
Befre a fld ccurs, we must d smething t reduce the risk t peple and their valuables.
2. Firstly, yu shuld prepare disaster supplies like a light surce, sleeping bags, and at least three days f fd and drinking water.
Firstly, yu shuld prepare disaster supplies like a light surce, sleeping bags, and fd and drinking water t last at least three days.
rewrite the sentences with t-infinitives.
3.Secndly, yu shuld bring the mst imprtant bjects t the upper levels f yur huse. In this way, they will nt be washed away by the fld.
Secndly, yu shuld bring the mst imprtant bjects t the upper levels f yur huse t avid being washed away by the fld.
4.During a fld, it’s imprtant that yu shuld leave where yu are immediately and mve t higher grund.
During a fld, it’s imprtant t leave where yu are immediately and mve t higher grund.
5.Dn’t walk r drive thrugh the mving fldwater, since as little as 15 centimetres f mving water can knck an adult dwn and 60 centimetres can wash mst cars away.
Dn’t walk r drive thrugh the mving fldwater, since as little as 15 centimetres f mving water is enugh t knck an adult dwn and 60 centimetres can wash mst cars away.
7.As yu return hme, watch ut fr pssible dangers. Keep away frm the fldwater. It may be plluted and unsafe, s dn’t tuch it.
As yu return hme, watch ut fr pssible dangers. Keep away frm the fldwater because it may be plluted and unsafe t tuch.
6.After a fld, listen fr fficial news reprt and find ut when it’s safe t return t yur hme.
After a fld, listen fr fficial news reprt t find ut when it’s safe t return t yur hme.