初中不规则动词过去式ppt课件

1、 The Passive Voice 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. Active and Passive VoiceActive Voice In active voice, the subject performs the action expressed by the

2、 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.1。构造。构造 be + 过去分词过去分词 (及物的及物的)2。各种时态的被动构造：。各种时态的被动构造：普通时态：普通时态：am/is/are +过去分词过去分词 The Chinese food _ to be the healthiest in the world.A. conside

3、rs B. is considering C. is considered D. has considered 1。构造。构造 be + 过去分词过去分词过去时态：过去时态：was/were +过去分词过去分词John _ , for he went swimming yesterday without permission.A. would punished B. had punished C. punished D. was punished 1。构造。构造 be + 过去分词过去分词如今进展时态：如今进展时态：am/is/are +being +过去过去分词分词 - Have you m

4、oved into the new house ?- Not yet .Rooms _.A. are painting B. are painted are being painting D. are being painted 过去进展时态：过去进展时态：was/were + being +过去过去分词分词Mr. Wu was in hospital . When we went to see him , he _on .A. operated B. was operated C. was operating D. was being operated 普通未来时态：will + be+过去

5、分词The new school _ when the new term begins.A. finishes B. will finish C. will be finished D. would finish过去未来时态：过去未来时态：would + be+过去分词过去分词The old scientist said that he _ to visit their country before long .A. invited B. had invited C. was inviting D. would be invited 如今完成时态：如今完成时态：have/has + been

6、+过去过去分词分词With the help of the Hope Project, more and more new schools _ in the poor area. A. built B. have built C. have been built D. have been building过去完成时态：过去完成时态：had + been +过去分词过去分词 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

7、动词情态动词：情态动词+be +过去分词过去分词The programmes _ if you use a short wave radio.A. can pick up B. pick up C. picked up D. can be picked up 3.何时用被动语态何时用被动语态不知道或没必要知道动作的执者。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。不便说出动作的执行者。The plan was generally considered impractical.3.何时用被动

8、语态何时用被动语态c)突出动作的接受者。突出动作的接受者。She is respected by all the workers of the factory.d)汉语中的无主句，在英语中用被动语汉语中的无主句，在英语中用被动语态态 。Smoking is not allowed in public places.e)为了坚持主语的一向性。为了坚持主语的一向性。The old professor wheeled himself into the classroom and was warmly applauded by the students.4.不用被动语态的情况不用被动语态的情况 ：1不

9、及物动词不用被动语态；留意：不及物动词不用被动语态；留意：happen, occur ,take placeThe story was happened in 1934. ( 2表形状的动词不用被动语态；表形状的动词不用被动语态；have, lack, fit I have a new bike.3连系动词不用被动语态；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有些短语不用被动语态 do ones best, make a face, make room(腾位子腾位子 make up ones mindbelong to5.特殊情况特

10、殊情况 考试重点考试重点 1感官动词感官动词 ( taste ; feel ; smell ; sound ; look ) 用自动方式表示被动。用自动方式表示被动。How sweet the music sounds ! Good medicine tastes bitter to the mouth .5.特殊情况特殊情况 考试重点考试重点 2 write、read、sell、keep、prove、weigh、drink、wash、open/shut常用自常用自动方式表被动意义。尤其是有副词动方式表被动意义。尤其是有副词 well, easily时。时。The book sells wel

11、l . 这本书销路很好。这本书销路很好。 The door will not open . ( 这扇门就是这扇门就是打不开。打不开。 ) This dress washes better . The sign reads as follows . ( 这牌子告示这牌子告示如下。如下。 ) 3在在 “主主 be 描画词不定式的描画词不定式的构造中，主语是不定式动词动作的接构造中，主语是不定式动词动作的接受者。受者。e.g. He is easy to get along with.The sentence is difficult to understand.The question is ea

12、sy to answer.4). be to blamee.g. He is to blame for the broken window. 5need, demand, want(需求需求, require, be worth等后用动名词表被动。等后用动名词表被动。The desk needs repairing. The novel is worth seeing.留意：留意：need后可接动名词表被动，又可接动后可接动名词表被动，又可接动词不定式的被动方式。但假设有附加成分用词不定式的被动方式。但假设有附加成分用动词不定式的被动方式。比较：动词不定式的被动方式。比较：The desk ne