九年级英语（交互版）上册精华课件-第3课时A Grammar Focus-4c

Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionAGrammarFocus-4cR·九年级全一册LearningobjectsBy

the

end

of

the

class,youwillbeableto…1.Graspthekeywordsandsentencepatterns.2.Usethepassivevoicetotalkaboutwhatyouareallowedandaren’tallowedtodo.Transferthesentences’voicetothepassivevoice.1.Hecleanshisbedroomeveryday.

Hisbedroomiscleanedbyhimeveryday.2.Hecleanedhisbedroomyesterday.

Hisbedroomwascleanedbyhimyesterday.3.Heshouldcleanhisbedroominthemorning.

Hisbedroomshouldbecleanedinthemorning.Idon’tthinksixteen-year-oldsshouldbeallowedtodrive.Iagree.Theyaren’tseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon’tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedtotakephotosifwedon’tuseaflash?Ifyoudon’tuseaflash,thenitmaybeOK.Grammar

Focus同意（某人的意见、观点等）含有情态动词的被动语态1.含有情态动词的被动语态的句式结构肯定句：主语+情态动词+be+及物动词的过去分词+其他.否定句：主语+情态动词+be

+not+及物动词的过去分词+其他.一般疑问句及答语：情态动词+主语+be+及物动词的过去分词+其他?肯定回答：Yes,主语+情态动词.否定回答：No,主语+情态动词+not.特殊疑问词+情态动词+主语+be+及物动词的过去分词+其他?特殊疑问句：(1)主动句中的宾语变为被动句中的主语;(2)主动句中的谓语变为“情态动词+be+及物动词的过去分词”;(3)主动句中的主语变为介词by的宾语,by短语常可省略。2.含有情态动词的主动句变为被动句时,主要遵

循如下三点:主动句：Weshouldcompletetheworktoday.被动句：Theworkshouldbecompleted(byus)today.示例如下：主语谓语宾语一、单项选择。1.Ifyouareover18yearsold,you____todrivea

carinourcountry.A.canallow

B.can’tallowC.canbeallowed2.—Tomisalwayscarelesswithhisschoolwork.

Could

youhelphim?—Noproblem!Ithinkhe____tothinktwicebefore

starting.

A.shouldbetold

B.shouldn’tbetold

C.shouldtell3.Insummer,fruitandmeat____long.A.can’tbekept

B.don’tkeep

C.isnotkept

D.aren’tkeeping4.Allthemobilephonesshould____duringthe

examination.

A.turnoff

B.beturnedoff

C.beturningoff

D.turnedoff二、按要求完成句子，每空一词。1.Theseglasscupsandbowlsmustbeputin

a

safeplace.(改为主动语态)We____________theseglasscupsandbowls

inasafeplace.2.Mr.SmithcantranslatethisnovelintoEnglish.

(改为被动语态)Thisnovel________________intoEnglish

byMr.Smith.mustputcanbetranslated3.Thequestionshouldbediscussedagain.

(改为否定句)Thequestion____________discussedagain.4.Thehappylifecouldbecreatedbyhardwork.

(改为一般疑问句，并作肯定回答)—______thehappylife____________byhardwork?—____,it

______.shouldn’tbeCouldbecreatedYescanRewritethesentencesaccordingtotheexample.4a1.Youmustcleanyourbedroomeveryday.Yourbedroommustbecleanedeveryday.2.Iwilldothehouseworkintheafternoon.Thehouseworkwillbedoneintheafternoon.

3.Parentswillencouragetheirchildrentodo

social

workfortheir

community.Children______________________________________________________________________.fortheircommunity(bytheirparents)willbeencouragedtodosocialwork4.DoyouthinkwemustkeepteenagersawayfromtheInternet?Doyouthinkteenagers____________________________________________________________________?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.Teenagers______________________________________________________________________________.mustbekeptawayfromshouldbegivenchancestomaketheirtheInternet(byus)

owndecisions(bytheirparents)keep...awayfrom避免接近；远离makeone’sowndecision自己做决定Fillintheblankswiththecorrectformsofthewordsinbrackets.4bShouldteenagers__________(ask)tomoveoutwhentheystartworking?InmanyWesterncountries,teenagers____________(allow)tomoveoutateighteen.Theirparentsbelievethattheyshouldbeeducatedtotakecareofthemselvesfromayoungage.Thisway,whenthey________(start)workingtheycanmanagetheirownlives.beasked

areallowedstartHowever,inmostAsiansocieties,itisnotcommonforteenagersto______(move)out.Chineseparentsbelievethatitisbetterforchildrentolivewithparentswhocan__________(take)careofthem.Buttheyoungshouldthenlookaftertheirparentsastheygetolder.ThatiswhymanyChineseadults__________(continue)tolivewiththeirparents.movetakecontinueBrainstormWhatdoyoualwaysdoinanEnglishclub?actoutEnglishplayslistentoEnglishlecturesingEnglishsongswatchEnglishmovies

YouandyourfriendarestartinganEnglish

club.Makealistofrulesaboutwhatshould

andshouldnotbeallowed.

4cGroupworkA:Membersshouldbeallowedto

usedictionaries.B:Yes,buttheyshouldonlyuse

English-Englishdictionaries.SummaryThedifferen