Unit 3 (语法_被动语态)

Unit 3语法被动语态一、找出Reading部分和Practice部分含有am/is/are done, was/were done, will be done的句子，并试着对句子进行翻译，发现其中的规律Eg: 1. The fish are then taken and thrown into a big basket by Daming.2. Cormorant fishing was once practised in lots of places in South-East China.3. A music show will be held in the school hall at 4 p.m on Tuesday, 4 May.......总结一般现在时、一般过去时和一般将来时被动语态的构成一般现在时：_____________________________________一般过去时：_____________________________________一般将来时：_____________________________________二、被动语态的概念：表示动作与主语之间是被动关系的句子是被动语态三、主动语态与被动语态之间如何转换Eg：We visited the factory last summer. →主动语态主语谓语宾语状语The factory was visited by us last summer. →被动语态主语谓语宾语状语歌诀助记1.主动、被动的时态要一致。

1）Tom often give me gifts.2）We visited the factory last year.3）He read the novel.4）We will plant a lot of trees on the hill next year.year.2.变成的被动语态的主语与谓语在单复数上保持一致。

He puts the books on the desk.3.省略by短语的几个条件1）不知道、没有必要说出动作执行者时。

Rice is grown well there。

2）强调说明动作的承受者时。

I was sent to teach them English.3）汉语中有“据说，大家说”等时。

It is said that one day he climbed to the top of a house.四、被动语态的使用条件1. 不知道动作由谁发出Three people were injured in the traffic accident.2. 由于某种原因没有必要说明动作的发出者。

This book was published in 2000.3. 需要突出或强调动作的承受者。

This play was written by Shakespeare.跟踪练习1. My homework ________an hour ago. A. finish B. finished C. was finished2. The shoes _________ in Guangdong. A. make B. are made C. made3. Lots of trees ___________in the forest last year. ( plant )4. Lucy borrowed a book yesterday. （变为被动语态）______________________________________________________________五、句型转换1.My homework was finished two hours ago.否定句____________________________________________________一般疑问句_________________________________________________肯定回答____________________________________________________否定回答____________________________________________________2.The shoes are made in Guangdong.否定句____________________________________________________一般疑问句_________________________________________________肯定回答____________________________________________________否定回答____________________________________________________3.The volunteers will be sent to Africa to help the people there.否定句____________________________________________________一般疑问句_________________________________________________肯定回答____________________________________________________否定回答____________________________________________________4.The bridge is going to be built by the worker next year.否定句______________________________________________________一般疑问句__________________________________________________肯定回答____________________________________________________否定回答____________________________________________________Homework一、造句. 用“the workers build the bridge”造一般现在时、一般过去时和一般将来时的句子，并改成被动语态，并对含被动语态的句子进行句型转换。

1.一般现在时主动句______________________________________________________被动句______________________________________________________否定句______________________________________________________一般疑问句__________________________________________________肯定回答____________________________________________________否定回答____________________________________________________2.一般过去时主动句_______________________________________________________被动句______________________________________________________否定句______________________________________________________一般疑问句__________________________________________________肯定回答____________________________________________________否定回答____________________________________________________3.一般将来时主动句_______________________________________________________被动句_______________________________________________________否定句______________________________________________________一般疑问句__________________________________________________肯定回答____________________________________________________否定回答____________________________________________________二、句型转换1. He didn’t go for a walk after dinner any more. (改为同义句) He __________ ___________ went for a walk after dinner.2. I know him, but I don’t know where he lives. (改为同义句) _________ I know him, I don’t know where he lives.3. I’ll call you as soon as I arrived in HK. (改为同义句) I’ll call you as soon as I _________ in HK.4. When did he set out last night? (改为同义句) When did he _______ _________ last night?5.She put the camera on the bed just now. （改为被动语态）The camera _________ __________on the bed by her just now.三、单项选择( )1. That building now. A. is building B. is built C. is being built D. builds ( )2. The trees in our school every Friday afternoon .A. are wateredB. are wateringC. have wateredD. water( )3. Yesterday a visitor something about his hometown .A. was askedB. was askingC. is askedD. asked( )4. Paper first invented in China . A. is B. are C. was D. Were( )5. He arrived in Beijing, where he _____ his friend. A. was met by B. was met C. was meeting D. met by( )6. The mistakes in the exercises will _____ the teacher.A. crossB. be crossingC. be crossed byD. cross by( )7. Each year quiet a lot of food _______ around the world.It’s really time for us to do something.A. was wastedB. is wastedC. wastedD. will be wasted( )8. It is said that a new museum ________ in our city next year.A. buildsB. is buildingC. will be builtD. was built( )9. Flowers _______ along the road last year.A. plantB. plantedC. are plantedD. were planted( )10. Annie ____ to the party. She had a good time.A. invitesB. is invitedC. was invitedD. has invited四、阅读理解Waste can be seen everywhere in the school. Some students ask for more food than they can eat and others often forget to turn off the lights when they leave the classroom. They say they can afford these things. But I don't agree with them.Waste can bring a lot of problems. Although China is rich in some resources（资源），we are short of（缺乏）others，for example，fresh water（淡水）。