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1、Section A （Grammar Focus4c）,九年级 上册 配人教版,Unit 7 Teenagers should be allowed to choose their own clothes.,语法聚焦,含有情态动词的被动语态 本单元的语法重点是含有情态动词的被动语态。其结构为：情态动词(should, must, may, can, could等)be及物动词的过去分词。 1. 含有情态动词的被动语态的常见句式 (1)肯定句结构为：主语情态动词be及物动词的过去分词(by宾语)。如： Your homework should be finished by yourself. 你
2、应该自己完成作业。,(2)否定句结构为：主语情态动词notbe及物动词的过去分词(by宾语)。如： Waste paper should not be thrown here. 废纸不应该扔在这里。 (3)一般疑问句结构为： 情态动词主语be及物动词的过去分词(by宾语)？ 回答:Yes，主语情态动词。/No，主语情态动词not。如： Should these young trees be watered every day?应该每天给这些小树浇水吗？,Yes, they should./No, they shouldnt. 对，应该。/不，不应该。 (4)特殊疑问句结构为：疑问词一般疑问句？
3、如： What should students be allowed to do? 应该允许学生们做些什么呢？ 2. 动词短语的被动语态 动词短语在被动语态中应该注意不能漏掉后面的介词或副词。如： The old should be taken good care of. 要好好照顾老人。（注意不要漏掉of） Nothing needs to be worried about. 没什么好担心的。（注意不要漏掉about）,课堂练习,一、用所给单词的适当形式填空 1. Their work must _(finish) by four oclock. 2. Your homework shoul
4、d _(do) by yourself. 3. These books mustnt _(take) out of the reading room. 4. The bad food shouldnt be _(eat). 5. Should I _(allow) to make my own decisions?,be finished,be done,be taken,eaten,be allowed,二、单项填空 ( )Teenagers _ decide for themselves. (2017岳阳) A. may be allowed to B. may are allowed t
5、o C. may be allow to ( )2. Please come back earlier, honey! Im not a child. I should _ what to do!（2017张家界） A. be told B. not be told C. tell,A,B,( ). Children should _ to be honest from a young age. A. educate B. be educated C. punish D. be punished ( )4. The traffic is too heavy. We have to drive
6、slowly. I think more new roads _ in our city. A. should be built B. should build C. have built D. build,B,A,( )5. Tom is always careless with his schoolwork. Could you help with him?No problem! I think he _ to think twice before starting. A. should be told B. can tell C. should tell D. can be tellin
7、g ( )6. The flowers _ often. A. must be water B. must be watered C. must watered D. must water,A,B,( )7. The broken bike _ here by Mr. Smith. A. can mend B. can mended C. can be mend D. can be mended ( )8. Young trees should _ every year. A. be planted B. planted C. plant D. are planted,D,A,( )9. Ma
8、ny of the stars _ because they are far away from us. A. may not see B. cannot be seen C. mustnt be seen D. neednt see ( )10. How often do I need to feed the dog? It _ food every day，or it will be hungry. A. must give B. must be give C. must be given D. must be gave,B,C,三、根据实际情况和所提供的情景完成对话 1. 在上学路上碰到
9、你同桌李明，他看上去不开心，你想表示你的关心，你应说： _ _ 2. 李明回答是因为妈妈给他制订了太多的规矩，你想知道有些什么规矩，你应问： _,You look unhappy. Whats wrong with you? /Is there anything wrong?,What are those rules?,3. 你认为李明应该听妈妈的，听起来妈妈真的很关心他，你应说： _ _ 4. 你劝说李明跟妈妈有分歧时，可以跟她谈一谈，你应说： _ _ 5. 你认为他妈妈应该能给出好的建议，因为父母总是很爱自己的孩子，你应说： _ _,Well，you should listen to your mother. It sounds like she really cares about you.,If you and your mother have different opinions， you can talk with her.,I think she will give you some good suggestions， because parents always love their children.,
