人教英語選修7unit1grammar(共35張)課件

1、選修7 Unit2 Grammar24 九月 20221Grammar Passive Voice (I)including the infinitive24 九月 20222一.復(fù)習(xí)被動(dòng)語態(tài)（Revise the Passive Voice）英語動(dòng)詞有主動(dòng)語態(tài)（the active voice）和被動(dòng)語態(tài)(the passive voice)兩種形式.主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者；被動(dòng)語態(tài)表示主語是動(dòng)作的承受者.如：Everyone enjoys exciting sports.（主動(dòng)語態(tài)） Exciting sports are enjoyed by everyone.(被動(dòng)語態(tài))24

2、九月 20223轉(zhuǎn)換規(guī)則：用公式表示為:(主動(dòng))S+V+O S(O)+V(be+ V -ed)+ by+O(S)，如：Miss Li is teaching music now. Music is being taught ( by Miss Li) now.24 九月 20224一般進(jìn)行完成現(xiàn)在am/is/are done過去was/were done將來shall/will be done24 九月 20225時(shí)式二.常見主被動(dòng)時(shí)態(tài)變化一覽表am/is/are being donehas/have been donewas/were being donehad been doneshall

3、/will have been done二、許多不及物動(dòng)詞加上介詞或副詞而變?yōu)榧拔锒陶Z動(dòng)詞，這時(shí)同樣可以有被動(dòng)語態(tài)。但應(yīng)注意短語的整體性，在變?yōu)楸粍?dòng)語態(tài)時(shí)不應(yīng)丟掉后邊的介詞或副詞。 1動(dòng)詞介詞 aThe doctor has already been sent for bThe news has never been heard of before 類似的短語動(dòng)詞有：call on，look after，talk about，look at，ask for，wait for 24 九月 202262動(dòng)詞副詞 aA new play will be put on (上演) next week b

4、The problem has been worked out 類似的短語動(dòng)詞有：put off (推遲)，think over，take off (脫、取消)，look up (查詢)，sell out，use up (用光) 24 九月 202273動(dòng)詞副詞介詞 aThe poor were looked down upon before liberation解放前窮人被人瞧不起。 bHe was looked up to by everyone他被人們所敬仰。 類似的短語動(dòng)詞有：get out of，look out of，get on with，get along with (與。相處

5、)，catch up with (趕上)，keep up with (跟上) 24 九月 202284動(dòng)詞名詞介詞 aLin Fen can take good care of your children 1）Your children can be taken good care of by Lin Feng bThey never paid attention to (注意、關(guān)注) the matter 1）The matter was never paid attention to 類似的短語動(dòng)詞有：make fun of，make use of，make friends with，ta

6、ke part in (參加)24 九月 20229三. 含有情態(tài)動(dòng)詞的動(dòng)詞變成被動(dòng)語態(tài)：情態(tài)動(dòng)詞+be +過去分詞四. 或類似結(jié)構(gòu)（be going to, have to 等）變成被動(dòng)語態(tài)：This room is going to be painted next week. 這個(gè)房間下周粉刷。Go away! I want to be left alone.走開！我想獨(dú)自待一會(huì)兒。This problem can be solved. 這問題可解決。Whats done cannot be undone. 覆水難收。George might be sent to American by

7、his company in August.公司可能八月份派喬治去美國。24 九月 202210五. 不定式被動(dòng)式的用法:3. 不定式的完成被動(dòng)式表示其動(dòng)作發(fā)生在謂語動(dòng)詞的動(dòng)作之前.Eg. He ordered the bridge to be built within the month.他命令在月內(nèi)建成這座橋.(一般被動(dòng)式)She was glad to have been given so much help.得到如此多的幫助,她很高興.(完成被動(dòng)式)1. 不定式與其邏輯主語之間是被動(dòng)關(guān)系時(shí)(即，其邏輯主語是不定式動(dòng)作的承受者）,要用不定式的被動(dòng)式.2. 不定式的一般被動(dòng)式表示其動(dòng)作與謂

8、語動(dòng)詞的動(dòng)作同時(shí)發(fā)生或在其后發(fā)生;24 九月 202211動(dòng)詞不定式的主動(dòng)被動(dòng)結(jié)構(gòu)變化一覽表一般式進(jìn)行式完成式主動(dòng)to doto be doingto have done被動(dòng)24 九月 202212to be doneto have been done(1)The meeting to be held is of great importance.(2)This house seems to have been built by a good architect.More examples:24 九月 202213通常在believe, suppose, say, report等動(dòng)詞構(gòu)成的句子

9、中可以進(jìn)行主動(dòng)語態(tài)到被動(dòng)語態(tài)以及被動(dòng)語態(tài)和動(dòng)詞不定式的轉(zhuǎn)換.如：They say that Mike is sick in bed.It is said that Mike is sick in bed.Mike is said to be sick in bed.據(jù)說麥克臥床不起.People believe that he was killed.It is believed that he was killed.He is believed to have been killed.大家相信他被殺了.24 九月 202214在使役動(dòng)詞have, make, get以及感官動(dòng)詞see, wat

10、ch, notice, hear, feel, observe等后面不定式作賓語補(bǔ)語時(shí)，在主動(dòng)結(jié)構(gòu)中不定式to要省略，但變?yōu)楸粍?dòng)結(jié)構(gòu)時(shí)，要加 to. They make her clean the floor. She is made to clean the floor by them. We saw a stranger walk into the building. A stranger was seen to walk into the building.24 九月 202215The letter is to be sent.24 九月 202216The kitchen needs

11、to be cleaned24 九月 202217The car needs to be repaired.24 九月 202218The hostess refused to be interviewed24 九月 202219 1. I hurried to the meeting hall, only_ that the meeting had been put off. A. to tell B. to be told C. telling D. told24 九月 202220B2. She will stop showing off if no notice_ of her. A)

12、 is taken B) takes C) will be taken D) has taken A24 九月 202221 3. With a lot of problems_, the newly-elected president is having a hard time. A. settled B. settling C. to settle D. being settled24 九月 202222C4. Diamond _in Brazil in 1971. A) is found B) has been found C) was found D) had been found C

13、24 九月 2022235. In order to gain a bigger share in the international market, many state run companies are trying _their products more competitive. ( 2002上海春季高考) A. to make B. making C. to have made D. having made24 九月 2022246.“Have you moved into the new flat?” “Not yet. The room_.” A) has been paint

14、ed B) is painted C) paints D) is being painted D24 九月 202225 7. It is said that plastics can be used to_ many things. Now people are used to_ plastics products. A. make; using B. making; using C. making; use D. make; use24 九月 202226A8. A great number of colleges and universities _since 1949. A) has

15、been establish B) have been established C) have established D) had been established B24 九月 2022279. Allen had to call a taxi because the box was _ to carry all the way home. (MET2003) A. much too heavy B. too much heavy C. heavy too much D. too heavy much24 九月 202228 10. Visitors_ not to touch the e

16、xhibits. A. will request B. request C. are requesting D. are requested24 九月 202229D11. Most environment problems exist because adequate measures for preventing them _taken in the past. A) was not B) were not C) were not being D) had not been B24 九月 202230 12. Do let your mother know all the truth, s

17、he appears_ everything. A. to tell B. to be told C. to be telling D. to have been told24 九月 202231D13.Pluto, the outermost planet of the solar system, _photographically in March 1930. A) discovered B) was discovered C) by discovery D) when discovered B24 九月 20223214. To get a better view of the stage, _. A) our seats had to be changed B) our seats were changed C