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1、初中不规则动词过去式第1页,共21页,2022年,5月20日,12点11分,星期一 Active and Passive Voice Voice The voice of a verb tells whether the subject of the sentence performs or receives the action. In English there are two voices, passive and active. 第2页,共21页,2022年,5月20日,12点11分,星期一 Active and Passive VoiceActive Voice In active
2、voice, the subject performs the action expressed by the verb: The student wrote a song. Passive Voice In passive voice, the subject receives the action expressed by the verb: A song was written by the student.第3页,共21页,2022年,5月20日,12点11分,星期一1。结构 be + 过去分词 (及物的)2。各种时态的被动结构:一般时态:am/is/are +过去分词 The Chi
3、nese food _ to be the healthiest in the world.A. considers B. is considering C. is considered D. has considered 第4页,共21页,2022年,5月20日,12点11分,星期一1。结构 be + 过去分词过去时态:was/were +过去分词John _ , for he went swimming yesterday without permission.A. would punished B. had punished C. punished D. was punished 第5页
4、,共21页,2022年,5月20日,12点11分,星期一1。结构 be + 过去分词现在进行时态:am/is/are +being +过去分词 - Have you moved into the new house ?- Not yet .Rooms _.A. are painting B. are painted are being painting D. are being painted 第6页,共21页,2022年,5月20日,12点11分,星期一过去进行时态:was/were + being +过去分词Mr. Wu was in hospital . When we went to
5、see him , he _on .A. operated B. was operated C. was operating D. was being operated 第7页,共21页,2022年,5月20日,12点11分,星期一一般将来时态:will + be+过去分词The new school _ when the new term begins.A. finishes B. will finish C. will be finished D. would finish第8页,共21页,2022年,5月20日,12点11分,星期一过去将来时态:would + be+过去分词The ol
6、d scientist said that he _ to visit their country before long .A. invited B. had invited C. was inviting D. would be invited 第9页,共21页,2022年,5月20日,12点11分,星期一现在完成时态:have/has + been +过去分词With the help of the Hope Project, more and more new schools _ in the poor area. A. built B. have built C. have been
7、 built D. have been building第10页,共21页,2022年,5月20日,12点11分,星期一过去完成时态:had + been +过去分词 He came out and told us that the work _.A. finished B. was finished C. had finished D. had been finished 情态动词:情态动词+be +过去分词The programmes _ if you use a short wave radio.A. can pick up B. pick up C. picked up D. can
8、be picked up 第11页,共21页,2022年,5月20日,12点11分,星期一3.何时用被动语态不知道或没必要知道动作的执者。The book was first published in the late 1990s.b)不便说出动作的执行者。The plan was generally considered impractical.第12页,共21页,2022年,5月20日,12点11分,星期一3.何时用被动语态c)突出动作的承受者。She is respected by all the workers of the factory.第13页,共21页,2022年,5月20日,
9、12点11分,星期一d)汉语中的无主句,在英语中用被动语态 。Smoking is not allowed in public places.e)为了保持主语的一贯性。The old professor wheeled himself into the classroom and was warmly applauded by the students.第14页,共21页,2022年,5月20日,12点11分,星期一4.不用被动语态的情况 :1)不及物动词不用被动语态;注意:happen, occur ,take placeThe story was happened in 1934. ( )
10、2)表状态的动词不用被动语态;have, lack, fit I have a new bike.第15页,共21页,2022年,5月20日,12点11分,星期一3)连系动词不用被动语态;The story is sounded true. ( )4)有些短语不用被动语态 do ones best, make a face, make room(腾位子) make up ones mindbelong to第16页,共21页,2022年,5月20日,12点11分,星期一5.特殊情况 (考试重点 )1)感官动词 ( taste ; feel ; smell ; sound ; look ) 用主
11、动形式表示被动。How sweet the music sounds ! Good medicine tastes bitter to the mouth .第17页,共21页,2022年,5月20日,12点11分,星期一5.特殊情况 (考试重点 )2) write、read、sell、keep、prove、weigh、drink、wash、open/shut常用主动形式表被动意义。尤其是有副词 well, easily时。The book sells well . 这本书销路很好。 The door will not open . ( 这扇门就是打不开。 ) This dress washe
12、s better . The sign reads as follows . ( 这牌子告示如下。 ) 第18页,共21页,2022年,5月20日,12点11分,星期一3)在 “主 be 形容词不定式”的结构中,主语是不定式动词动作的承受者。e.g. He is easy to get along with.The sentence is difficult to understand.The question is easy to answer.4). be to blamee.g. He is to blame for the broken window. 第19页,共21页,2022年,5月20日,12点11分,星期一5)need, demand, want(需要), require, be worth等后用动名词表被动。The desk needs repairing. The novel is worth seeing.注意:need后可接动名词表被动,又可接动词不定式的被动形式。但若有附加成分用动词不定式的被动形式。比较:The desk needs repairing.The desk needs to be repaire
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