中考英语复习课件:初中英语被动语态讲解及练习ppt课件(共47张PPT).ppt
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- 中考 英语 复习 课件 初中英语 被动 语态 讲解 练习 ppt 47 下载 _二轮专题_中考专区_英语_初中
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1、被动语态,Passive voice,被动语态基本用法 当句子的主语是动作的执行者时,谓语的形式是主动语态。 当句子的主语是动作的承受者时,谓语要用被动语态。 被动语态由be+过去分词构成,时态通过be表现出来。,I speak Chinese.,Chinese is spoken by my .,基本结构:A+be+ 过去分词+(by B),am/is/are +done,was/were+done,Shallwill be + done,情态动词+be+ done,1.规则动词的过去分词:,1)一般情况在动词原形后加-ed,watch-watched,2)以不发音e结尾的加-d,pract
2、ice-practiced,3)以辅音加y结尾的,去y变i加-ed,study-studied,4)以重读闭音节结尾,末尾只有一个辅音字母, 先双写该辅音字母,再加-ed,stop-stopped,2.不规则动词的过去分词:,am,is,are,been,have,has,had,do,done,write,written,go,gone,He plants trees in spring.,主(执行者),谓,宾(承受者),Trees,are planted,by,him,改为被动语态,in spring.,主动语态变被动语态口诀: 宾语提前主语变, 原主变宾by后见, 时态人称be关键。,i
3、s spoken by,He speaks English.,English,English.,He,him.,主(执行者),谓,宾(承受者),主动语态: 主语 + 动词 + 宾语 被动语态: 主语 + be + 过去分词 + by + 宾语,主动语态变被动语态口诀: 宾语提前主语变, 原主变宾by后见, 时态人称be关键。,Many people visit Sanya every year.,Sanya is visited (by many people) every year.,People eat seafood.,Seafood is eaten by people.,People
4、 take photos at the seaside.,Photos are taken at the seaside (by people).,Cao Wenxuan writes this book.,This book is written by Cao Wenxuan.,1.They make shoes in that factory. 主语+ 谓语 +宾语,Shoes are made (by them) in that factory.,主动语态:,被动语态:,His brother washes bowls every day.,主,谓,Bowls,are washed,by
5、,his brother,every day.,宾(承受者),主动语态:,被动语态:,主语+ am/are/is +动词过去分词+( by宾语)+其他,一般现在时的被动语态:,1、He plants flowers in spring.,Flowers _in spring _.,2、They clean the classroom every day.,The classroom _ by_ every day.,3、Mother washes the dishes every day.,The dishes _ by mother every day.,are planted,by him
6、,is cleaned,are washed,练一练,them,主动:Children plant trees in spring.,被动: Trees are planted by children in spring.,一般疑问句: Are trees planted by children in spring?,回答:Yes, they are. No, they arent.,主动:They clean the classroom every day.,被动: The classroom is cleaned by them every day.,一般疑问句:Is the classr
7、oom cleaned by them every day?,回答: Yes,it is./No,it isnt.,仔细观察,肯定句:The books are read by students.,一般疑问句: Are the books read by students?,回答:Yes, they are. No, they arent.,Are the computers used by him?,The computers are used by them.,Are the computers used by them?,Yes, they are.,No, they arent. Th
8、e car is used by him.,悟一悟:通过观察以上句子,你发现了什么?一般疑问句是怎样构成的?,We drink water every day.,Water is drunk every day.,Is water drunk every day?,Yes, it is . No, it isnt.,通过观察,我们发现:被动语态的一般疑问句是这样构成的:,Be + 主语 + 过去分词 +( by宾语)+ 其他,练一练,1、He often writes letters to his mother.,Letters _ often _ to his mother.,2、Uncle
9、 Wang rode the bike yesterday.,_his bike _by Uncle Wang every day?,_ letters often _ to his mother?,Yes, he is. / No, he isnt.,Yes, they are. No, they arent.,The bike _ _ by Uncle Wang yesterday.,are,written,Are,written,is,ridden,Is,ridden,They play football on Sunday. Lucy does the homework today.
10、They often use computers in class. We make these machines in Beijing. People speak English as the first language in UK.,Football is played by them on Sunday.,The homework is done by Lucy today.,Computers are often used by them in class.,These machines are made in Beijing.,English is spoken as the fi
11、rst language in UK.,被动语态中的特殊情况 1.不及物动词带介词和介词宾语时,在变为被动语态时,仍然要带上介词。 e.g. The students listen to the teacher carefully in class. 被动句:The teacher is listened to carefully by the students in class.,e.g. They look after the new students in the school.,被动句:The new students are looked after by them in the s
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