人教英语选修7unit1grammar(共35张)课件.ppt（无音视频素材）

1、选修7 Unit2 Grammar2022年9月27日星期二12022年9月27日星期二2一一.复习被动语态（复习被动语态（Revise the Passive Voice）英语动词有英语动词有主动语态主动语态（the active voice）和）和被动被动语态语态(the passive voice)两种形式两种形式.主动语态表示主语是动作的执行者；主动语态表示主语是动作的执行者；被动语态表示主语是动作的承受者被动语态表示主语是动作的承受者.如：如：Everyone enjoys exciting sports.（主动语态）（主动语态）Exciting sports are enjoyed

2、 by everyone.(被动被动语态语态)2022年9月27日星期二3转换规则：转换规则：用公式表示为用公式表示为:(主动主动)S+V+O S(O)+V(be+V-ed)+by+O(S)，如：，如：Miss Li is teaching music now.Music is being taught(by Miss Li)now.2022年9月27日星期二4一般一般进行进行完成完成现在现在am/is/are done过去过去was/were done将来将来shall/will be done2022年9月27日星期二5时式二二.常见主被动时态变化一览表常见主被动时态变化一览表am/is/

3、are being donehas/have been donewas/were being donehad been doneshall/will have been done二、许多不及物动词加上介词或副词而变为及物短语二、许多不及物动词加上介词或副词而变为及物短语动词，这时同样可以有被动语态。动词，这时同样可以有被动语态。但应注意短语的整体性，在变为被动语态时不应丢掉但应注意短语的整体性，在变为被动语态时不应丢掉后边的介词或副词。后边的介词或副词。1动词介词动词介词 aThe doctor has already been sent for bThe news has never bee

4、n heard of before 类似的短语动词有：类似的短语动词有：call on，look after，talk about，look at，ask for，wait for 2022年9月27日星期二62动词副词动词副词 aA new play will be put on(上演上演)next week bThe problem has been worked out 类似的短语动词有：类似的短语动词有：put off(推迟推迟)，think over，take off(脱、取消脱、取消)，look up(查询查询)，sell out，use up(用光用光)2022年9月27日星期二

5、73动词副词介词动词副词介词 aThe poor were looked down upon before liberation解放前穷人被人瞧不起。解放前穷人被人瞧不起。bHe was looked up to by everyone他被人们所敬他被人们所敬仰。仰。类似的短语动词有：类似的短语动词有：get out of，look out of，get on with，get along with(与。相处与。相处)，catch up with(赶上赶上)，keep up with(跟上跟上)2022年9月27日星期二84动词名词介词动词名词介词 aLin Fen can take good

6、 care of your children 1）Your children can be taken good care of by Lin Feng bThey never paid attention to(注意、关注注意、关注)the matter 1）The matter was never paid attention to 类似的短语动词有：类似的短语动词有：make fun of，make use of，make friends with，take part in(参加参加)2022年9月27日星期二9三三.含有情态动词的动词变成被动语态：情态含有情态动词的动词变成被动语态：情

7、态动词动词+be+过去分词过去分词四四.或类似结构（或类似结构（be going to,have to 等）变成等）变成被动语态：被动语态：This room is going to be painted next week.这个房间下周粉刷。Go away!I want to be left alone.走开！我想独自待一会儿。This problem can be solved.这问题可解决。Whats done cannot be undone.覆水难收。George might be sent to American by his company in August.公司可能八月份派乔

8、治去美国。2022年9月27日星期二10五五.不定式被动式的用法不定式被动式的用法:3.不定式的不定式的完成被动式完成被动式表示其动作发生在谓语动词的动作表示其动作发生在谓语动词的动作之前之前.Eg.He ordered the bridge to be built within the month.他命令在月内建成这座桥他命令在月内建成这座桥.(一般被动式一般被动式)She was glad to have been given so much help.得到如此多的帮助得到如此多的帮助,她很高兴她很高兴.(完成被动式完成被动式)1.不定式与其不定式与其逻辑主语逻辑主语之间是之间是被动关系时

9、被动关系时(即，其逻辑即，其逻辑主语是不定式动作的主语是不定式动作的承受者承受者）,要用不定式的要用不定式的被动式被动式.2.不定式的不定式的一般被动式一般被动式表示其动作与谓语动词的动作表示其动作与谓语动词的动作同时同时发生发生或或在其后发生在其后发生;2022年9月27日星期二11动词不定式的主动被动结构变化一览表动词不定式的主动被动结构变化一览表一般式一般式进行式进行式完成式完成式主动主动to doto be doingto have done被动被动2022年9月27日星期二12to be doneto have been done(1)The meeting to be held i

10、s of great importance.(2)This house seems to have been built by a good architect.More examples:2022年9月27日星期二13通常在通常在believe,suppose,say,report等动词构成的等动词构成的句子中可以进行主动语态到被动语态以及被动语态和句子中可以进行主动语态到被动语态以及被动语态和动词不定式的转换动词不定式的转换.如如：They say that Mike is sick in bed.It is said that Mike is sick in bed.Mike is sa

11、id to be sick in bed.据说麦克卧床不起据说麦克卧床不起.People believe that he was killed.It is believed that he was killed.He is believed to have been killed.大家相信他被杀了大家相信他被杀了.2022年9月27日星期二14在使役动词在使役动词have,make,get以及感官动词以及感官动词see,watch,notice,hear,feel,observe等后面不定式作等后面不定式作宾语补语时，在主动结构中不定式宾语补语时，在主动结构中不定式to要省略，但变为要省略，但

12、变为被动结构时，要加被动结构时，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.2022年9月27日星期二15The letter is to be sent.2022年9月27日星期二16The kitchen needsto be cleaned2022年9月27日星期二17The car needs to be re

13、paired.2022年9月27日星期二18The hostess refused to be interviewed2022年9月27日星期二19 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.told2022年9月27日星期二20B2.She will stop showing off if no notice_ of her.A)is taken B)takes C)will be taken D)has taken A2

14、022年9月27日星期二21 3.With a lot of problems_,the newly-elected president is having a hard time.A.settled B.settling C.to settle D.being settled2022年9月27日星期二22C4.Diamond _in Brazil in 1971.A)is found B)has been found C)was found D)had been found C2022年9月27日星期二235.In order to gain a bigger share in the in

15、ternational market,many state run companies are trying _their products more competitive.(2002上海春季高考上海春季高考)A.to make B.making C.to have made D.having made2022年9月27日星期二246.“Have you moved into the new flat?”“Not yet.The room_.”A)has been painted B)is painted C)paints D)is being painted D2022年9月27日星期二2

16、5 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;use2022年9月27日星期二26A8.A great number of colleges and universities _since 1949.A)has been establish B)have been established C)have established D)had been e

17、stablished B2022年9月27日星期二279.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 much2022年9月27日星期二28 10.Visitors_ not to touch the exhibits.A.will request B.request C.are requesting D.are requested2022年9月27日

18、星期二29D11.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 B2022年9月27日星期二30 12.Do let your mother know all the truth,she appears_ everything.A.to tell B.to be told C.to be telling D.to have been told2

19、022年9月27日星期二31D13.Pluto,the outermost planet of the solar system,_photographically in March 1930.A)discovered B)was discovered C)by discovery D)when discovered B2022年9月27日星期二3214.To get a better view of the stage,_.A)our seats had to be changed B)our seats were changed C)we had to change our seats D)our seats were changed by us C2022年9月27日星期二3315.Ill have to push the car to the side of the road because we _if we leave it here.A)would be fined B)will be fined C)will being fined D)will have been fined B2022年9月27日星期二342022年9月27日星期二35