1、a,1,高中英語(yǔ),Book2A Unit1,動(dòng)詞不定式的用法,a,2,1. 動(dòng)詞不定式的用法,作主語(yǔ) 作賓語(yǔ) 作定語(yǔ) 作表語(yǔ) 作賓補(bǔ) 作狀語(yǔ),動(dòng)詞不定式,2.動(dòng)詞不定式的時(shí)態(tài)和語(yǔ)態(tài),3. 鞏固練習(xí),a,3,1. 動(dòng)詞不定式作主語(yǔ),動(dòng)詞不定式作主語(yǔ)，謂語(yǔ)動(dòng)詞用第三人稱單數(shù)。,To get there by car will take a whole day.,How to get enough money is still a question.,To make a plan for our study is very important.,a,4,1. 動(dòng)詞不定式作主語(yǔ),有時(shí)候?yàn)榱吮３志渥悠胶?/p>

2、，常用it作形式主語(yǔ)，放到句首，而將作真實(shí)主語(yǔ)的動(dòng)詞不定式放到句末。,It will take a whole day to get there by car.,It is important to make a plan for our study.,It is impossible for me to finish the work in a week.,a,5,2. 動(dòng)詞不定式作賓語(yǔ),動(dòng)詞不定式作賓語(yǔ)常用于下列及物動(dòng)詞后：,want, agree, decide, manage, wish, hope, ask, like, love , choose, promise, continu

3、e, plan, learn, expect, offer, prepare, refuse, pretend, attempt, intend, threaten, seek, hesitate, long, desire, fail等等。,a,6,I have learned to drive the car.,He promised to come but he hasnt turn up yet.,He pretended to be reading when his mother came into his room.,The boys are longing to watch th

4、e World Cup.,a,7,動(dòng)詞不定式作賓語(yǔ)應(yīng)注意的問題,1.有些動(dòng)詞后跟動(dòng)詞不定式和動(dòng)名詞作賓語(yǔ)意義截然不同,try, go on, stop, mean, regret, remember, forget等,a,8,try to do sth. 盡力去做某事,try doing sth. 試一試，試試看,Try knocking at the back door if nobody hears you at the front door.,Try to get there on time.,a,9,mean to do sth.打算做某事,mean doing sth.意味著做某事,

5、I wont wait if it means delaying a week.,I meant to help you, but I was busy at that moment.,a,10,forget to do sth. 忘了去做某事,forget doing sth.忘了做過某事,I forget telling her about it,I forget to bring the purse with me when I left home this morning.,a,11,remember to do sth.記住去做某事,remember doing sth.記得做過某事

6、,I remember reading the story in some book.,Remember to post the letter for me when you go to the post office.,a,12,stop to do sth.停下來去做某事（表目的）,stop doing sth.停止做某事（作賓語(yǔ)）,I suggest we should stop to have a rest,The students stopped talking when the teacher came in.,a,13,go on to do sth.繼續(xù)做另一件事,go on

7、doing sth.接著做同一件事,After a short rest, they went on doing the work.,After finishing the homework, the students went out to play football.,a,14,regret to do sth.遺憾地做某事,regret doing sth.后悔作了某事,I regret to say that you havent passed the exam.,I regret having told him about it,a,15,動(dòng)詞不定式作賓語(yǔ)應(yīng)注意的問題,2. 如果不定

8、式作賓語(yǔ)而后面又有一個(gè)賓語(yǔ)補(bǔ)足語(yǔ)，這時(shí)要用it作形式賓語(yǔ)而把這個(gè)動(dòng)詞不定式放到補(bǔ)語(yǔ)后。,I feel it my duty to help you.,I once thought it impossible for us to finish the job in such a limited time.,a,16,3.動(dòng)詞不定式作定語(yǔ),動(dòng)詞不定式作定語(yǔ)，它與所修飾的名詞或代詞可能是主謂關(guān)系，也可能是動(dòng)賓關(guān)系。,He was the last one to leave school yesterday.,We have much homework to do everyday.,a,17,4.動(dòng)

9、詞不定式作表語(yǔ),動(dòng)詞不定式常放在系動(dòng)詞（be動(dòng)詞）后作表語(yǔ)，有時(shí)也放在其他少數(shù)連系動(dòng)詞如：remain, seem, sound等后。,His plan is to spend a few days in the countryside.,He appears to have caught cold.,a,18,To see is to believe,當(dāng)表語(yǔ)是動(dòng)詞不定式時(shí)，作主語(yǔ)的謂語(yǔ)動(dòng)詞也只能是動(dòng)詞不定式，即主語(yǔ)和表語(yǔ)結(jié)構(gòu)要一致或?qū)ΨQ。,a,19,5.動(dòng)詞不定式作賓補(bǔ),常要求跟動(dòng)詞不定式作賓語(yǔ)的動(dòng)詞有：,（1）可接帶to的不定式作賓補(bǔ)的動(dòng)詞有：,ask, get, allow, forbi

10、d, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等,a,20,Youd better get Tom to do it.,She doesnt allow me to use her computer.,The teacher told him not to be late again.,He invited us to attend his birthday party.,a,21,（2）可跟省to的動(dòng)詞不定式作賓補(bǔ)的動(dòng)詞有：,在部分感官動(dòng)詞和

11、使役動(dòng)詞后，如：,see, watch, notice, observe, look at, listen to, feel, make, let, have,注：help后可跟省to或帶to的不定式作賓補(bǔ)。,a,22,The teacher had us recite the text every day.,I was let to do the experiment alone.,Was he noticed to leave the house?,動(dòng)詞不定式在主動(dòng)語(yǔ)態(tài)中用省to的形式作賓補(bǔ)，但在被動(dòng)語(yǔ)態(tài)的句子中，要用帶to的形式作主語(yǔ)補(bǔ)語(yǔ)。,a,23,（3）有的動(dòng)詞后可以跟to be形式

12、作賓補(bǔ)，而不是to do作賓補(bǔ)。如：,think, consider, suppose, believe, imagine, find, prove等,a,24,We find him (to be )honest.,I consider him (to be) my best friend.,I suppose him (to be) about fifty.,a,25,6.動(dòng)詞不定式作狀語(yǔ),動(dòng)詞不定式作狀語(yǔ)用來修飾動(dòng)詞、形容詞、副詞或整個(gè)句子，通常表示目的、原因、結(jié)果、程度等。,a,26,I got up early in order to /so as to catch the firs

13、t bus.,(作目的狀語(yǔ)）,To learn English well, you should practise it whenever possible.,(作目的狀語(yǔ)）,He wept to hear the news.,(作原因狀語(yǔ)）,I am glad to see you here.,(作原因狀語(yǔ)）,a,27,He hurried to the post office, only to find it closed.,(結(jié)果狀語(yǔ)）,The boy is too young to dress himself.,（同上）,a,28,動(dòng)詞不定式的時(shí)態(tài)和語(yǔ)態(tài),1. 動(dòng)詞不定式的一般式（to

14、 do）用于表示不定時(shí)所表示的動(dòng)作與句子謂語(yǔ)動(dòng)詞幾乎同時(shí)發(fā)生火災(zāi)氣候發(fā)生。,saw her enter the room.,I have some important news to tell you.,a,29,2. 動(dòng)詞不定式的進(jìn)行式,動(dòng)詞不定式的進(jìn)行式表示動(dòng)作正在進(jìn)行，和句子謂語(yǔ)動(dòng)詞所表示的動(dòng)作同時(shí)進(jìn)行。,He pretended to be reading when his mother came into his room.,They are said to be building another bridge across the river,a,30,3. 動(dòng)詞不定式的完成式,動(dòng)

15、詞不定式的完成式表示動(dòng)作發(fā)生在謂語(yǔ)動(dòng)詞所表示的動(dòng)作前。,I am sorry to have kept you waiting so long.,I happened to have read the book before.,a,31,鞏固練習(xí),1. Several of these washes and dryers are out of order and_. need to be repairing B. repairing is required of them C. require that they be repaired. D. need to be repaired.,解析：

16、and并列謂語(yǔ)動(dòng)詞， need to be repaired相當(dāng)于need repairing.,D,a,32,2. I wish you had brought your family with you. Ill get them _ next time. A. coming B. to come C. come D. have come,B,解析：使役動(dòng)詞get后跟帶to的動(dòng)詞不定式作賓補(bǔ)，let，make, have后跟省to的動(dòng)詞不定式作賓補(bǔ)。,a,33,3. We climbed to the top of the tower _a better view of the area.

17、getting B. got C. having got D. to get,D,解析：動(dòng)詞不定式作目的狀語(yǔ)，其余幾個(gè)沒這功能。,a,34,4. What is the way Smith thought of _ enough money to buy the new house. A. getting B. having got C. being got D. to get,D,解析：名詞the way后跟有兩個(gè)定語(yǔ)，一個(gè)是定語(yǔ)從句Smith thought of， 一個(gè)是動(dòng)詞不定式to get enough money to buy the new house.,a,35,5. The

18、young assistant was noticed _ the bank alone last night. A. entering B. enter C. to enter D. entered,C,解析：感官動(dòng)詞后可跟現(xiàn)在分詞和省to的動(dòng)詞不定式作賓補(bǔ)。不定式表示全過程，現(xiàn)在分詞表示正在進(jìn)行。在被動(dòng)語(yǔ)態(tài)中用帶to的動(dòng)詞不定式作主語(yǔ)補(bǔ)語(yǔ)。,a,36,6. Wang Dong wanted to surf the Internet, but his father told him _. A. not to do B. not do it C. do not to D. not to,D,解析：tell sb. (not) to do sth. 為了避免重復(fù)，后面省略了surf the Internet.,a,37,7. The party was successful, but we thought it a pity not _ you. A. invite B. to invite C. inviti