2016年秋九年级英语人教版练习：Unit 7 单元语法小专题.doc

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1、单元语法小专题(GrammarFocus)语法精讲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:Yourhomeworkshouldbefinishedbyyourself.你应该自己完成作业。(2)否定句结构为:主语＋情态动词＋not＋be＋及物动词的过去分词＋(by＋宾语).如:Theboo

2、kcan'tbetakenoutofthereadingroom.这本书不能拿出阅览室。(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:—Shouldtheseyoungtreesbewateredeveryday？应该每天给这些小树浇水吗？—Yes，theyshould./No，theyshouldn't.对，应该。/不，不应该。(4)特殊疑问句结构为:疑问词＋一般疑问句？如:Whatshouldstudentsbeallowedt

3、odo？应该允许学生们做什么？2.含情态动词的主动语态变被动语态的变化步骤:(以should为例，见下图)语法精练Ⅰ.用括号内所给单词的适当形式填空。1.Manymoretreesshould________(plant)thisyear.2.Mustthework________(finish)by6:30thisafternoon?3.Wherecanthelostboy________(find)?4.ThankstotheInternet，differentkindsofinformationcan________(lear

4、n)inashorttime.5.Thewatershould________(notput)here.6.Thebadfoodshouldn'tbe________(eat).7.Thestarscan________(notsee)inthedaytime.8.Canthiskindofbike________(buy)inthatshop?9.Thefruitshould________(keep)wellduringwinter.10.ShouldI________(allow)tomakemyowndecisions?Ⅱ.

5、按要求完成下列句子，每空一词。11.Nobodycananswerthequestion.(改为同义句)Thequestion________________answeredbyanybody.12.Weshouldcleanourteethtwiceaday.(改为被动语态)Ourteethshould________________twiceaday.13.Canyoutakegoodcareofthechildren？(改为被动语态)________thechildren________________goodcareof?1

6、4.Theclassroommustbecleanedafterschool.(对画线部分提问)________________theclassroom________________？15.Wemustwashourhandsbeforemeals.(改为被动语态)Ourhands________________________beforemeals.Ⅲ.根据汉语意思完成句子，每空一词。16.更远的恒星有一天可能被参观。Fartherplanets________________________oneday.17.你不应该在动物园

7、里喂动物。Animals________________________byyouinthezoo.18.不应该允许青少年吸烟。Teenagers________________________________________________.19.我们被允许周六晚上去看电影。We________________________gotothemoviesonSaturdayevening.20.不应该让他那么做。He________________________________dolikethat.单元语法小专题(GrammarF

8、ocus)Ⅰ.1.beplanted　2.befinished　3.befound　4.belearned　5.notbeput6．eaten　7.notbeseen　8.bebought　9.bekept　10.beallowedⅡ