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Unit 7 Teenagers should be allowed to choose their own clothes 情态动词语法讲练(含答案)

日期:2024-05-03 科目:英语 类型:初中学案 查看:24次 大小:20428Byte 来源:二一课件通
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Unit,clothes,答案,讲练,语法,动词
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九年级上册U7语法讲义 情态动词: must, can (could), may (might), need, ought to, dare (dared), shall (should), will (would) 一、must/mustn't 1.?must可表义务,常表示“必须”。 2.?关于must?的简短回答: -Must we wear seat belts? 我们必须系安全带吗? -Yes, you must. 是的,必须。 -No, you needn't. / No, you don't have to. 不,不必。 注意:否定回答时不用mustn't。 3.?mustn't?也可表义务,表示“禁止”,也可意译为“不应当;不许”。 例:We mustn't buy fur products. 我们不应当购买皮草制品。 ? 二、should/shouldn't/ought to/ought not to should为情态动词,意为“应该;应当”,后接动词原形,无人称和数的变化,常可与ought to互换。可用于表达义务或责任,否定形式shouldn't(should not),常可与oughtn't?to(ought not to)互换,意为“不应当;不应该”。 根据中文意思补全句子。 你的穿着应该整洁漂亮,而且必须非常合身。 What you wear?_____?be stylish and clean, and?_____?definitely fit well. (should must) 根据中文意思补全句子。 欧洲委员会裁定英国航空航天公司应该偿还数千万英镑。 The European Commission ruled that British Aerospace?_____ _____?back tens of millions of pounds.(should pay) 情态助动词的"时"的形式并不是时间区别的主要标志。在不少场合,情态助动词的现在时和过去时形式都可以表示现在 1、情态动词的被动语态结构为:情态动词+be+过去分词;其时态及句型的变化仅由情态动词完成,“be+过去分词”部分不变。 2、含有情态动词的主动语态变为被动语态时,要把主动语态中的宾语变为被动语态中的主语;主动语态中的谓语动词变为“情态动词+be+过去分词”;主动语态中的主语变为介词by?的宾语,放在句尾(如果不强调动作的执行者,by短语常可省略)。You?can?take?this?book?home.?(改为被动语态) →This?book?can?be?taken?home?(by?you). 用括号中所给单词的适当形式完成句子?(此空不限一词) Students should _____ to listen to the concerts.(encourage) (be encouraged) 用括号中所给单词的适当形式完成下列句子。(不限一词) The old people should _____ to politely. (speak) (be spoken) 单选题 What _____ by common people to protect the environment? A?.can be B.?can do? C.?can be done D.?can be do 用括号内所给单词的适当形式填空。(不限一词) Snacks and soft drinks can _____ (buy) from?vending machines?(自动售货机) on each floor of the hotel. (be bought) How many magazines?can _____?(borrow) in the library every week? (be borrowed) -What should we do first if we want to develop our village? -A lot of new roads?_____, I think.? ?have to build B?.must build C.?have built D.?must be built 3.含情态动词的被动语态的否定结构为:情态动词+not+be+过去分词;其时态及句型的变化仅由情态动词完成,“not+be+过去分词”部分不变。 常用的情态动词有:can,must,need,may,will,should等。 I believe that something can not be bought by money. 按要求改写句子。 Teenagers should be permitted to play with friends at night.(改为否定句) Teenagers _____ _____ _____ permitted to play with friends at night. (should not be) 翻译句子。 为了使我们的城市更美丽,禁止往河里扔垃圾。 To make our city more beautiful, rubbish?_____ _____ _____?into the river.? (mustn't be thrown) 按要求改写句子。 The postcard may be sent by Tim.(改为否定句) The postcard ... ...

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