《被动语态微课》PPT课件.ppt

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1、,被动语态,初中英语微课,设计者：浏阳市柏加中学 罗荣丰,一、什么是主动语态,当主语为动作的执行者时,谓语的形式为主动语态;,被动语态,e.g.Many people speak English.（句子的主语many people是动作speak的执行者）,English is spoken by many people.（句子的主语English是动作speak的承受者）,当主语为动作的承受者时,谓语要用被动语态。,一、什么是被动语态,被动语态由“be动词+及物动词的过去分词”构成。与主动语态一样，被动语态也有时态、人称和数的变化,其变化规则与be作为连系动词时完全一样。,二、被动语态的构成

2、,English is spoken by many people.,时态的变化,1.一般现在时,2.一般过去时,English was spoken by many people in the past.,3.一般将来时,English will be spoken by many people in the future.,A language is spoken by many people.,被动语态的单数和复数,1.单数,2.复数,Many languages are spoken by many people.,A language was spoken by many peopl

3、e.,Many languages were spoken by many people.,1.单数,2.复数,主动语态变被动语态的方法,动作执行者+动词主动形式+动作承受者 动作承受者+谓语动词被动形式+by 执行者,分三步,Many people speak English.English is spoken by many people.,e.g1 We use computers to search information._e.g.2 The teacher often repeats the story._,Computers are used to search information by us.,The story is often repeated by the teacher.,1.Bill looks after his cats carefully._2 The children eat the cookies quickly._,Exercises,