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UNIT7 语法篇_熟练掌握本模块的语法知识。含有情态动词的被动语态(should,may,might,can,could,must)一、基本句型结构:1、肯定句:主语+情态动词+be+过去分词(+by.)e.g.:Teenagersshouldbeallowedtogoshopping.Tablescanbemadeofstones.Theworkmustbefinishedtoday.TheflowersmaybeplantedinFebruary.2、否定句:主语+情态动词+not+be+过去分词(+by.)Tablescantbemadeofstones.Theworkmustntbefinishedtoday.(mustntmsnt:不能)TheflowersmayntmentbeplantedinFebruary.3. 一般疑问句:情态动词+主语+be+过去分词(+by.)?e.g.:Shouldteenagersbeallowedtogoshopping?Yes,theyshould.No,theyshouldnt.Cantablesbemadeofstones? Yes,theycan.No,theycant. Musttheworkbefinishedtoday?Yes,itmust.No,itneednt./No,itdonthaveto. MaytheflowersbeplantedinFebruary? Yes,theymay.No,theymaynt.4. 特殊疑问句:疑问词+情态动词+be+过去分词(+by.)?e.g.:Whatshouldteenagersbeallowed?Whatcantablesbemadeof?Whenmustbeworkbefinished?Whenmaytheflowersbeplanted?二、含有情态动词的主动语态与被动语态的转换:e.g.:1).We(主语)can(情态动词)write(谓语)letters(宾语)inEnglish.(宾语补足语)Letters(主语)can(情态动词)bewritten(谓语)inEnglish(宾语)byus.(宾语补足语).Parents(主语)should(情态动词)allow(谓语)teenagers(宾语)tochoosetheirownclothes.Teenagers(主语)should(情态动词)beallowed(谓语)tochoosetheirownclothes(宾语)bytheirparents.(宾语补足语)3).You(主语)must(情态动词)clean(谓语)yourbedroom(宾语)everyday.(时间状语)Yourbedroom(主语)must(情态动词)becleaned(谓语)everyday(时间状语)byyou.(宾语)( )1. People under 18 shouldnt _ to go to an Internet bar. A. be allowed B. be allow C. allow D. are allowed ( )2. Judy wants to get her hair _ in the hairdressers. A. cut B. cutting C. to cut D. be cut( )3. I believe that all problems can _, not matter how difficult they are. A. solve B. solving C. be solved D. to solve( )4. Teenager should learn to look after themselves and manage_own lives. A. them B. their C. theirs D. themselves( )5. Only then _the deep love from his parents. A. he understood B. understood he C. did he understand D. he did understand解析:1.答案:A.带有情态动词的被动语态结构should be allowed to do意为“应该被允许”2.答案:A.have sth. done意为 “使.被”3.答案;C. can be solved 意为“能够被解决”4.答案:B形容词物主代词+own 5.答案:C. Only+状语置于句首时,主句采取部分倒装。基础演练一用所给词的适当形式填空1. Yesterday, she _ (make) to finish all the work in a short time by the boss.2. NO SMOKING should _ (see) in the stores even in many parts of the city.3. We have finished _ (learn) these grammars already.4. What things do you think should be _ (change)?5. I will have a choice _ (do) it.6. I think this is the best way _(solve) the problem.7. Can I make my own _(decide), Mom?8. Parents have nothing against childrens _(play) with their friends.9. What _(happen) if he _(not become) an athlete?10. Only tomorrow I _ _(finish) my homework.答案:1. was made 2. be seen 3. learning, 4.changed 5. to do 6. to solve 7. .decision 8. .playing 9. .will happen; doesnt become 10.will finish巩固提高二句型转换。1. The teacher allowed Jack to take the test later. (改为同义句)Jack _ _ to take the test later.2. He looked sad because he failed the English exam. (改为同义句)He looked sad because he _ _ the English exam.3Students need strict rules.(改为一般疑问句并作肯定回答)-_ students _ strict rules?-Yes, _ _4. We must do something to save the wild animals.(改为被动语态)Something must _ _ to save the wild animals.5. Some reporters are interviewing a government official on traffic problems now.(改为被动语态)A government official is _ _ by some reporters on traffic problems now.答案:1. Was allowed 2. Didnt pass3. Do , need , they do 4. be done 5. being interviewed一单项选择。1. The old woman seems _ with the children.A. be happy B.to happy C.to be happy D. being happy2. -Dad, why must I stop _ computer games? -For your health, my boy.A. play B.to play C.to playing D.playing3. Do you think _ should work at night?A.sixteen-years-old B.sixteen-year-olds C.sixteen-years-olds D. sixteen-year-old4. -Does the teacher allow you _ home before 12 oclock? -No, she doesnt.A. go B.to go C.going D.gone5. The classroom _ every day.A. should clean B.should be cleaned C.should cleaned D.should be cleaning6. Many
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