精美课件.ppt

Lesson40 Unit ReviewPassive Voice被动语态被动语态被动语态的含义：被动语态的含义：被动语态：被动语态： 1 1：英语中语态有两种：主动语态和被动语态。：英语中语态有两种：主动语态和被动语态。 语态的作用：语态是动词的一种形式，用来说明主语语态的作用：语态是动词的一种形式，用来说明主语和谓语之间的关系。和谓语之间的关系。 语态的选用：如果主语是动作的执行者，谓语用主动语态的选用：如果主语是动作的执行者，谓语用主动语态。语态。 例如：例如：We clean the room every day. We clean the room every day. 如果主语是动作的承受者，或者说是动作的对象，谓如果主语是动作的承受者，或者说是动作的对象，谓语则是要用被动语态。语则是要用被动语态。 例如：例如：The room is cleaned every day. The room is cleaned every day. 被动语态由被动语态由“系动词系动词be + be + 及物动词的过去分词及物动词的过去分词”构构成。系动词成。系动词be be 有人称、数和事态的变化，其变化规有人称、数和事态的变化，其变化规则与则与be be 作为连系作为连系 动词时完全一样动词时完全一样主动语态变被动语态的方法主动语态变被动语态的方法1.1.把主动语态的宾语变为被动语态的主语。把主动语态的宾语变为被动语态的主语。2.2.把谓语变为被动结构。把谓语变为被动结构。3.3.把主动语态的主语放在介词把主动语态的主语放在介词byby之后作宾语，将主格改之后作宾语，将主格改为宾格为宾格歌诀：歌诀： 宾变主，主变宾，宾变主，主变宾，byby短语后面跟。短语后面跟。 谓语动词变被动，谓语动词变被动，bebe后过分来使用。后过分来使用。2：被动语态的各种形式：被动语态的各种形式 1) 一般现在时；一般现在时；am/is/are +过去分词过去分词eg1：Im asked to take care of myself. Football is played all over the world. eg2：Football is not played all over the world. eg3: Is football played all over the world? 2）一般过去时；）一般过去时；was/were + 过去分过去分词词 eg1：This house was built in 1958. eg2：This house was not built in 1958. eg3: Was this house built in 1958? 3）现在进行时；）现在进行时；am/is /are + being + 过去分过去分词词 eg1：A road is being built around the mountain. eg2：A road is not being built around the mountain. eg3: Is a road being built around the mountain? 4)过去进行时；过去进行时；was/were + being + 过去分过去分词词eg1：Meeting was being held when I was there. eg2：Meeting was not being held when I was there. eg3: Was meeting being held when you were there? 5）现在完成时；）现在完成时；has /have been + 过去过去分词分词 eg1：This book has been translated (翻译翻译) into many foreign languages. eg2：This book has not been translated into many foreign languages. eg3: Has this book been translated into many foreign languages? 8) 过去将来时；过去将来时；would/should + be + 过去分词过去分词 eg1: That film would be seen by him. eg2:That film would not be seen by him. eg3: Would that film be seen by him?6）过去完成时；过去完成时；had been + 过去分词过去分词 eg1:3000 words had been learned by me by the end of last year. eg2:3000 words had not been learned by me by the end of last year. eg3: Had 3000 words been learned by me by the end of last year?7) 一般将来时；一般将来时；shall/will be + 过去分词过去分词 eg1：He will be taken to hospital tomorrow. eg2：He will not be taken to hospital tomorrow. eg3: Will he be taken to hospital tomorrow? 一、单项选择1._ a new library _ in our school last year?A. Is; built B. Was; built C. Does ; build D. Did ; build 2. An accident _ on this road last week.A. has been happened B. was happened C. is happened D. happenedBD 3. Cotton _ in the southeast of China.A. is grown B. are grown C. grows D. grow4. A talk on Chinese history _ in the school hall next week.A. is given B. has been given C. will be given D. gives AC 5. How many trees _ every year?A. are planted B. will plant C. have been planted D. planted6. Neither of them _ in China.A. is made B. are made C. were made D. madeA二 、把下列句子改成被动语态1. Did he break the window yesterday? 2. Someone took away the books yesterday. Was the window broken by him yesterday?The books were taken away by somebody yesterday.3. We will hold a sports meeting in September. A sports meeting will be held by us in September.4. Farmers planted many trees last year Many trees were plants by farmer last year. 5. The cat broke the glass. 6. Mum gave me a computer as my birthday present.The glass was broken by the cat. A computer was given to me by Mum as my birthday presentHomework 1. Review words and phrases. 2. Review Passive Voice.