陕西省2024九年级英语全册Unit7Teenagersshouldbeallowedtochoosetheirownclothes课时3SectionAGrammarFocus-4c课件新版人教新目标版

UNIT7Teenagersshouldbeallowedtochoosetheirownclothes课时3SectionA(GrammarFocus－4c)目

录CONTENTS01语法点拨02语法通关练03综合提升练含有情态动词的被动语态一、含有情态动词的被动语态的构成：情态动词＋be＋及物

动词的过去分词。常考的情态动词有：can，may，must，should等。e.g.

1.Iron

beusedtomakemanytools.铁可以被用来

做很多工具。can

2.Yourhomework

befinishedbyyourself.你的家

庭作业应该由你自己完成。3.English

beusedintheEnglishCorner.在英语角必

须使用英语。shouldmust二、含有情态动词的被动语态的句子结构。肯定句主语＋情态动词＋bedone(＋by＋宾语

).否定句主语＋情态动词＋not＋bedone(＋by＋宾语).一般疑

问句情态动词＋主语＋bedone(＋by＋宾语

)？特殊疑

问句特殊疑问词＋情态动词＋主语＋bedone(＋by＋

宾语

)？e.g.

1.We

gooutwithfriends.应该允

许我们和朋友们外出。2.

thework

atonce？这项工作必须立即完成吗？3.Thosebooks

thelibrary.不准把那些书带出图书馆。shouldbeallowedtoMustbedonemustn’tbetakenoutof4.Whenshouldthesebooksbesenttothechildreninmountain

areas？这些书应该什么时候送给山区的孩子们？三、含情态动词的主动句和被动句之间的转换。主动句：We

shouldplant

trees

inspring.

主语谓语

宾语被动句：Treesshouldbeplantedbyusinspring.

主语谓语by＋宾语一、用括号内所给单词的适当形式填空。1.[2024·咸阳秦都区月考改编]Childrenshould

⁠

(teach)howtospendtheirpocketmoney.2.Theairpollutionisveryseriousinourcity.Something

must

(do)aboutitnow.betaughtbedone二三四五六一3.Lotsofhanfuloverscan

(find)walkingdownthe

streetinXi’an.Wearinghanfuhelpsthemunderstandthe

Chineseculture.点拨：考查被动语态。hanfulovers与find是被动关系，所

以此处用被动语态。befound二三四五六一4.[2023·齐齐哈尔中考改编]TheelephantsinThailandhave

to

(protect)becausehumanstherecatchthem

fortheirivorytomakemoney.点拨：elephants和protect之间是被动关系，此处用含情态

动词的被动语态havetobeprotected。故填beprotected。beprotected二三四五六一二、完成句子。5.[2023·咸阳月考]孩子们应该被教育明智地管理他们的

时间。Children

⁠tomanagetheirtimewisely.6.我们离开教室的时候必须关灯。Lights

⁠whenweleavetheclassroom.shouldbeeducatedmustbeturnedoff二三四五六一7.[2024·西安高新区模拟改编]水可以被我们变成冰。Water

⁠intoicebyus.8.在教学日的晚上，学生们不能玩电脑游戏。Computergames

⁠bystudentsonschool

nights.9.教室应该每天被打扫。Theclassroom

everyday.canbechangedcan’tbeplayedshouldbecleaned二三四五六一三、按要求完成句子，每空一词。10.Shouldwethrowwastepapereverywhere？(改为被动语态)

wastepaper

everywhere

byus？Shouldbethrown二三四五六一11.WecanseepapercuttinginmanypartsofChinaduringthe

SpringFestival.(改为被动语态)Papercutting

⁠byusinmanyparts

ofChinaduringtheSpringFestival.canbeseen点拨：句意：春节期间，我们可以在中国的许多地方看到剪纸。分析题干，此处为含有情态动词can的被动语态，构成为can＋be＋动词过去分词，see的过去分词为seen。二三四五六一12.Accidentsmaybecausedbydrunkdriving.(改为主动语态)Drunkdriving

accidents.13.易错题Ican’thearhersing.(改为被动语态)Shecan’t

⁠singbyme.14.Bookscouldbeputintothedesk.(对画线部分提问)

books

⁠？maycausebeheardtoWherecouldbeput二三四五六一四、根据汉语提示写出正确的单词。15.[2023·西安新城区模拟改编]Whatapitythathemissedsuch

agood

(机会)！16.Theworkersarecleaningthe

(社区)center

now.17.Athome，studentsshouldbe

(教育)tolook

afterthemselvesfromayoungage.chancecommunityeducated二三四五六一18.Middleschoolstudentsshouldlearnto

(管理)

timeandmakegooduseofeveryminute.19.Thebasicunitof

(社会)isthefamily.managesociety二三四五六一五、完成句子。20.作为一名学生，你一定要远离抽烟和喝酒。Asastudent，youmust

smokingand

drinking.21.[2024·延安月考]我们足够大了，可以做出自己的决定。We’reoldenoughto

⁠.keepawayfrommakeourowndecision二三四五六一22.[2024·渭南模拟]我不同意你的看法，但我会允许你先解

释一下。Idon’t

you，butIwillallowyoutoexplain

first.23.这个问题有一点儿困难，但是我能自己设法解决它。Theproblemisalittledifficult，butIcan

⁠

⁠itmyself.agreewithmanageto

solve二三四五六一六、短文填空。feel

be

rule

one

scare

luckythey

serious

chance

good

Itisschooltimeagain，thestartofanewperiod.Youare

probably24.

⁠excitedandalittlesadthatsummeris

over.Somekidsfeelnervousoralittle25.

⁠onthefirstdayofschoolbecauseofthenewthings，newteachers，andmaybeevenanewschool.26.

⁠，thesenewworriesonlystayforalittlewhile.feelingscaredLuckily二三四五六一Onyour27.

day，mostteachersstarttheschool

yearbyintroducing28.

andtalkingaboutallthe

thingsyou’lldothatyear.Maybeyou’llhavea29.

⁠

totellsomethingaboutyourselftotheothersoftheclass.The

mostimportantthingforyouistolearnnew30.

⁠and

followthem.Afterall，rulescanmak