资料简介
SectionAGrammarFocus-4c
Tounderstandthegrammarshouldbeallowedtodo.Topracticethepassivevoice.Ifyoulike,youcandomoreexercises.Objectives
cryallnightstaybyone’ssidesleepinwarmarmsrunthroughthefieldmakesurekeepsb.fromdangergivesb.ahugliftuptalkback整夜哭待在某人身边睡在温暖的臂弯里穿过田野确定；确保使某人远离危险拥抱某人举起，提起回嘴；顶嘴Translatethephrases.Review
watchscarymoviesgivesb.awfuldreamsbebackbytenthinkbacktothosetimescoughfordayshavescarydreamsbelateforschoolstayoutregretdoingsth.看恐怖电影带给某人恶梦在10点前回来回想那些时光咳嗽好几天做可怕的梦上学迟到待在外面；不回家后悔做过某事
Whatcanyoudoatschool?Whatcan’tyoudoatschool?Doyouagreeordisagree?Freetalk
Ithinkstudentsshouldbeallowedtodohomeworkwithfriends.Sixteen-year-oldsshouldnotbeallowedtodrive.Doyouthinksixteen-year-oldsshouldbeallowedtochoosetheirownclothes?Lookatthesesentences.
含情态动词的被动语态肯定句：主语+情态动词+be+动词过去分词.否定句：主语+情态动词+not+be+动词过去分词.疑问句：情态动词+主语+be+动词过去分词?
(一)将主动语态的宾语变成被动语态的主语。(二)将含情态动词的主动句式变成被动句式，即：“情态动词+动词原形”变成“情态动词+be+过去分词”，然后再在其后加“by+主动句中的主语(人称代词用宾格)”。by短语也可省略。请看下列各句：转变方法
1.Youshouldfinishyourhomeworkfirst.Yourhomeworkshouldbefinished(byyou)first.2.Youcantakethismagazinehome.Thismagazinecanbetakenhome(byyou).
GrammarFocusIdon'tthink16-year-oldsshouldbeallowedtodrive.Iagree.Theyaren'tseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon'tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedtotakephotosifwedon'tuseaflash?Ifyoudon'tuseaflash,thenitmaybeokay.
1.Idon'tthink16-year-oldsshouldbeallowedtodrive.2.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?3.Teenagersshouldnotbeallowedtohavepart-timejobs.4.Doyouthinkwemaybeallowedtotakephotosifwedon'tuseaflash?A.Idisagree.Theycanlearnalotfromworking.B.Ifyoudon'tuseaflash,thenitmaybeokay.C.Iagree.Theyaren'tseriousenough.D.No,Idon'tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.CDABPracticethegrammar
含情态动词的被动语态常用的情态动词有：can,could(能；会),may;might(可以)must(必须),should(应该),will;would(愿意)haveto(必须；不得不),hadbetter(最好)
1.含情态动词should的被动语态结构式：should+be+及物动词的过去分词。(1)肯定句结构为：主语+shouldbe+及物动词的过去分词+(by+宾语)。eg:你应该自己完成作业。Yourhomeworkshouldbefinishedbyyourself.含情态动词should的被动语态
(2)否定结构为：主语+should+not+be+及物动词的过去分词+(by+宾语)。eg：不应该允许青少年晚上外出。Teenagersshouldnotbeallowedtogooutatnight.(3)特殊疑问句结构为：疑问词+一般疑问句？eg：应该允许学生们做什么？Whatshouldstudentsbeallowedtodo?
(4)一般疑问句结构为：Should+主语+be+及物动词的过去分词+(by+宾语)？回答：Yes,主语+should./No,主语+shouldn’t.eg:这些小树应该每天浇水吗？Shouldtheseyoungtreesbewateredeveryday?Yes,theyshould./No,theyshouldn’t.对，应该。/不，不应该。
主动句变被动句的步骤与其它情况相同。WeshouldallowteenagerstowatchTVonSunday.TeenagersshouldbeallowedtowatchTVonSunday(byus).Peoplemaycatchfishintheriver.Fishmaybecaughtintheriver(bypeople).
1.Icanfinishthework.Theworkcanbefinishedbyme.一般疑问句：Cantheworkbefinishedbyyou?2.Weshouldplantmanymoretrees.Manymoretreesshouldbeplantedbyus.一般疑问句：Shouldmanymoretreesbeplantedbyus?
Teenagersshouldbeallowedtodrivethecar.3.Parentsshouldallowteenagerstodrivethecar.一般疑问句：Shouldteenagersbeallowedtodrivethecar?Treesmustbewateredeveryday.4.Theymustwatertreeseveryday.一般疑问句：Musttreesbewateredeveryday?
1.Sixteen-year-oldsshouldbeallowedtodrive.(改为否定句)Sixteen-year-oldsshouldn’tbeallowedtodrive.2.Ithinktheworkshouldbedoneatonce.(改为否定句)Idon’tthinktheworkshouldbedoneatonce.
►Teenagersshouldbeallowedtochoosetheirownclothes.应该允许青少年选择他们自己的服装。►Studentsshouldnotbeallowedtohavepart-timejobs.不应该允许学生们做兼职工作。►Canthesebooksbetakenoutofthereadingroom?可以把这些书带出阅览室吗？►Whenmusttheworkbefinished?这些工作必须什么时候完成？
1.Youmustcleanyourbedroomeveryday.Yourbedroommustbecleanedeveryday.2.Parentsshouldencourageteenagerstodosocialworkfortheircommunity.3.CanLucydoherhomeworktomorrowinstead?Teenagersshouldbeencouraged(bytheirparents)todosocialworkfortheircommunity.Canthehomeworkbedone(byLucy)tomorrowinstead?4aRewritethesentencesaccordingtotheexample.
4.DoyouthinkwemustkeepteenagersawayfromtheInternet?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.DoyouthinkteenagersmustbekeptawayfromtheInternet?Teenagersshouldbegivenchancestomaketheirowndecisions.
Thekeysbeaskedareallowed4bFillintheblankswiththecorrectformsofthewordsinbrackets.beeducatedstartmovetakecontinue
4cYouandyourfriendarestartinganEnglishClub.Makealistofrulesaboutwhatshouldandshouldnotbeallowed.
SampleDialogue1A:Membersshouldbeallowedtousedictionaries.B:Yes,buttheyshouldonlyuseEnglish-Englishdictionaries.MembersareallowedtouseEnglish-Englishdictionaries.
A:Membersshouldn’tbeallowedtospeakChinese.B:Iagree.OnlyinthiswaycanyouimproveyourEnglish.SampleDialogue2
Ⅰ.按要求完成下列各句。1.Wemustdotheworkrightnow.(改为被动语态)____________________________rightnow.TheworkmustbedoneExercises
2.Teenagersshouldbeallowedtogooutwiththeirfriendsonschoolnights.(改为否定句)Teenagers_____________________togooutwiththeirfriendsonschoolnights.3.Abookshouldbereadeachmonth.(改为一般疑问句)_____________________________eachmonth?shouldn’tbeallowedShouldabookberead
4.你可以稍后考试。Youcan_____________________later.5.这项工作必须按时完成。Theworkmust____________ontime.6.应允许青少年培养自己的爱好。Teenagers___________________todeveloptheirownhobbies.takethetestbefinishedshouldbeallowed
1.Theirworkmust__________(finish)byfouro’clock.2.Yourhomeworkshould________(do)byyourself.3.Thesebooksmustn’t__________(take)outofthereadingroom.4.Shouldthesefood_________(keep)dry?befinishedbedonebetakenbekeptⅡ.用所给词的适当形式填空。
Ⅲ.句型转换。1.Youshouldmakeupthebedeveryday.(改为被动语态)Thebed_____________________upeveryday.2.Wecan’tseestarsinthedaytime.(改为被动语态)Stars_____________________inthedaytime.3.Youmustreturnthebookontime.(改为被动语态的一般疑问句形式)_______thebook______________ontime?shouldbemadecan’tbeseenMustbereturned
Ⅳ.翻译下列句子。1.需要好好地教育青少年。_____________________________________2.这辆小汽车不能修了。____________________________________3.这封信必须现在寄出去吗？____________________________________4.会议应该在哪举行？_____________________________________Teenagersneedtobeeducatedwell.Thiscarcan’tberepaired.Mustthisletterbepostednow?Whereshouldthemeetingbeheld?
Somepeoplethinktrees____onTreePlantingDayonly.A.shouldplantB.shouldbeplantedC.shouldbeplantD.shouldbeplantingB中考链接树应该被种植，要用含情态动词的被动语态shouldbedone。
应当允许青少年做出自己的决定。Teenagersshouldbeallowedto______theirown___________.makedecisions做决定，makeone’sdecision。
HomeworkReviewthegrammar.Dosomeexercises.
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