牛津英语模块5Unit1 不定式Grammar课件(公开课)1.ppt

1、M5 Unit1 Grammar,I was shocked to find a piece of paper in paper on my desk,We call the red words 动词不定式(to do sth.).,Sentences from Reading:,I must be really stupid to fail a simple math quiz,I pretended to be cheerful,We went to wash our hands in the girls room, ,本节课重点提要,1. 不定式的基本形式和否定形式 2. 不定式的时态和

2、语态 3. 不定式的基本用法 4 保留不定式符号to 5. 不带to的不定式,They advised me to give up smoking They advised me _ _ _ _ smoking . He promised to take care of the poor He promised _ _ _ _ _ the poor,不定式的基本形式是由“to + 动词原形”构成，其否定形式是not to do.,笔记要点1,Step 1,基本形式和否定形式,not,to,give,up,not,to,take,care,of,动词不定式的时态和语态,1. I opened t

3、he door to enter the room.,2. Mr. Smith is going to attend the meeting to be held tomorrow.,. 一般式( to do /to be done).,不定式的一般式所表示的动作（状态）同时（或几乎同时）发生，或之后发生。,Step 2,笔记要点2,.进行式( to be doing),1. I am very glad to be working with you.,2. They seemed to be talking about something secret. .,如果谓语表示的动作（情况）发生时

4、，不定式所表示的动作正在进行。,动词不定式的时态和语态,笔记要点3,动词不定式的时态和语态,.完成式（to have done/to have been done),2. Im pleased to have been given this chance.,1. You seemed to have read the novel written by Mr. Smith.,如果不定式的动作发生在谓语之前。,如果不定式的逻辑主语是不定式所表示的动作的承受者，不定式要用被动形式.,小 结,to do,to be done,to be doing,无,to have done,to have bee

5、n done,动词不定式,To do like that is foolish.,I want to see you this evening.,All you have to do is to finish it quickly.,We found a house to live in.,She came here to study English.,I warned the patient not to eat cold water after the operation.,主语,宾语,表语,定语,状语,宾补,Step 3 不定式的用法,作主语,_is really important n

6、owadays.,_is right= It is right to give up smoking.,1.当今掌握一门外语真的很重要。,2. 放弃吸烟是对的。,不定式短语作主语时，用it 作形式主语，真正的主语后置。,To master a foreign language,To give up smoking,作宾语,Fred didnt have any money, so he decided_,He promised not_,1. Fred 没有钱，所以他决定找一份工作。,2. 他答应不告述任何人这事。,(构成V.+ to do的形式),afford, agree, arrange

7、, ask, decide, demand, plan desire, expect, hope, learn, manage, offer, pretend, promise, refuse, wish, prefer, happen, intend, fail等,不定式短语可以作宾语，以下动词后，跟不定式作宾语,to look for a job.,to tell anyone about it.,I find it interesting to work with him. 如果还带有宾语补足语，往往把不定式宾语放在宾语补足语之后，而用it 作形式宾语。类似的动词还有 (,(构成 主语+

8、V.+ it +宾补+ to do sth. 的形式),feel, think, consider, make, believe ) 等,注意, 形式宾语与形式主语的区别是形式宾语无be动词,在feel, hear, listen to, look at, notice, observe, see, watch, have, let, make 等词后的补足语中，不定式不带to。但 是这些句子如果变成被动结构时，就必须带to。,Eg. I often hear him sing the song.,He is often heard _the song.,注意,allow, ask, advi

9、se, encourage, expect, forbid, force, get, would like, order, permit, persuade, teach, tell, want, warn, wish,(构成“V.+ Sb.+ to do”的形式),作宾补,to sing,1他要求我和他一起做这个工作 2 吉姆让我替他向这里的各位给予最好的祝愿,He asked me _with him.,to do the work,Jim told me _ to everyone here,to give his best wishes,Consolidation,作表语,My job

10、 is_,To see is_.,1. 我的工作是教英语。,2. 眼见为实。,to teach English.,to believe,作定语,Do you have anything_?,1. 你有什么要说的吗?,2. Betty是第一个知道这真相的人,Betty was the first_,to say,to know the truth,如果不定式是不及物动词或所修饰的名词是不定式的地点/工具,不定式后面须有相应的介词 We have several model bikes to choose from He is looking for a room to live in Pleas

11、e give me a knife to cut with There is nothing to worry about 在time place way后面的不定式常省介词 He had no place to live,注意,作状语,He spoke loudly (so as / in order) to be heard. They jumped with joy to hear the news. Im too tired to walk any further tonight.,目的状语.,原因状语.,结果状语,1 他回家去取钥匙 2 我说了什么话使你不高兴? 3 赢了这场足球赛,

12、我们感到自豪,He went home _ his key,What have I said _you happy?,We are proud _the football match,to get,to make,to win,目的状语.,原因状语.,结果状语,Consolidation,在be +形容词(glad happy pleased anxious willing ready等)词后保留to 在love like mean hope advise expect want persuade refuse wish seem等动词后保留to 在have need ought be abl

13、e be going used等动词后保留to 在ask tell advise persuade wish permit allow sb to do sth中保留to 不定式的否定形式后保留to 不定式的完成式后保留to have Used to be 结构中的be 不能省略,Step 4,动词不定式保留to符号 的情况归纳,Will you join us in a talk? yes Ill be glad to Would you like some bananas? Yes Id love to We should do everything that we ought to Do

14、nt touch anything unless your teacher tells you to -Did you want to give a talk on this subject? - I prefer not to You ought to have finished your work I know I ought to have China is no longer what it used to be,Examples,_,_,_,_,_,_,_,动词不定式省略to 的情况归纳,*1 当动词不定式作宾语补足语时，如动词是 make, let , have 或 look at

15、 , see, watch, observe, hear, listen to, feel 等，不定式不带to. *2. 在下列结构后 had better, would rather, would ratherthan, cannot but（不得不 ，必然，不能不）, cant help but = cant choose but do等 *3. why not 表建议 *4. 在介词 but , except 之后，如果其前有实义动词do 的某种形式，不定式不带to, 反之须带to .,Step 5,*5不定式and or but rather than 等表示并列关系的第二个to 省略

16、 ,表示相反关系的不省略第二个to Id like to go and see a film They didnt tell me whether to go on or to stop Do you want to go shopping or watch TV? I decided to write rather than phone,Eg.1) She could do nothing but cry. 2) I have no choice but to go. 3)We had nothing to do but watch TV 4) All I could do was send

17、 him a telegram,注意,A. 带疑问词的动词不定式在to 前加疑问词。(不包括why/if),Mr.Lin will teach us how to use the computer.,Can you tell me where to get the book?,I dont know what to say/what to write about/how to do it,无 if to do why to do结构,B There be 句型中不定式主动被动形式一样 There is a lot of work to do =there is a lot of work to

18、 be done,注意,C 不定式主动被动形式不一样 Have you anything to wash? No ,nothing, I plan to go shopping不定式的执行者是 you Have you anything to be washed? No ,thank you不定式的执行者不是 you,注意,1.Robert is said_abroad, but I didnt know what country he studied in.(NMET99) to have studied B.to study C. made D. to make,Practice,2. H

19、e claimed _in the supper market when he was doing shopping yesterday.（上海98） being badly treated B.treating badly C. to be treated badly D. to have been badly treated.,3 The purpose of new technologies is to make life easier _ it more difficult. (MET99) A. not make B. not to make C. not making D. do

20、not make 4 Ive worked with children before, so I know what _ in my new job. (NMET2000) A. expected B. to expect C. to be expecting D. expects,5. Charles Babbage is generally considered _the first computer. (MET1998),to invent B. inventing C. to have invented C. having invented,6. Allen had to call a

21、 taxi because the box was _ to carry all the way home. (MET2003),much too heavy B. too much heavy C. heavy too much D. too heavy much,7. The boy wanted to ride his bicycle in the street, but his mother told him _. (NMET95),A. not to B. not to do C. not do it D. do not to,8. Little Jim should love _

22、to the theatre this evening. (MET 97),to be taken B. to take C. being taken D. taking,9.There are five pairs _,but Im at a loss which to buy.(1999上海高考),to be chosen B. to choose from C. to choose D. for choosing,10. _late in the afternoon, Bob turned off the alarm. (2001年北京春季高考),A. To sleep B. Sleeping C. Sleep D. Having sleep,11. With a lot of difficult problems _,the newly-elected president is having a hard time. (2002年上海春季高考),settled B. settling C.to settle D. being settled,12. She will tell us why she feels so strongly that