Unit7SectionAGrammarFocus4a-4c课件人教版九年级英语全册

Unit7Teenagersshouldbeallowedtochoosetheirownclothes?

SectionAGrammarFocus4a-4ckeep…awayfromchan.chancen.educationn.son.societyn.managv.managev.hangoutwithfriendsatnightusephoneswatchTVonweekdaysA:Areyouallowedto…?B:Yes./No.A:Doyouthinkteenagersshouldbeallowedto…B:…Whatarethesesentencestalkingabout?opinions&reasons（rules）modalverb(情态动词）+bedonemodalverb(情态动词）+bedonecan/could能，会；可以；有可能shall/should应该may/might可能，可以

will/would将；愿must必须含有情态动词的被动语态Qs:1.基本结构2.肯变否怎么变？3.陈述变疑问什么变?4.特殊疑问句结构？5.主动语态如何转被动语态？Sixteen-year-oldsshould

be

allowedtodrive（bytheirparents）.Sixteen-year-oldsshould

not

be

allowedtodrive（bytheirparents）.Shouldsixteen-year-oldsbe

allowedtodrive（bytheirparents）?Yes,theyshould.No,theyshouldn’t.4.Whatthingsshouldsixteen-year-oldsbeallowedtodo（bytheirparents）?结构:肯定：S+情态动词+be+动词的过去分词+其他（by…）否定：S+情态动词+not+be+动词的过去分词+其他（by…）情态动词的被动语态

Theenvironmentshould

beimproved.

Theenvironmentshould

not

beimproved.一般疑问句：情态动词+主语+be+动词的过去分词？

Theenvironmentshould

beimproved.

Should

theenvironmentbeimproved?特殊疑问句：特殊疑问词+情态动词+主语+be+动词的过去分词？

Wherecanthebookbebought?Youmustcleanyourbedroomeveryday.含有情态动词的主动语态转被动语态Yourbedroomshouldbecleanedeveryday.ExercisesTheroomshouldbecleanedeveryday.(改为否定句和疑问句)Theroomshouldn’t

be

cleanedeveryday.Shouldtheroombe

cleanedeveryday?2.Parentsshouldallowchildrentochoosetheirclothes.(改为被动语态)Childrenshouldbeallowedtochoosetheirclothesbyparents.ExercisesWemustdothework.Theworkmustbe

donebyus.2.Wemustcleantheclassroomaftertheparty.Theclassroommust

be

cleanedafterthepartybyus.Thehouseworkwillbedoneintheafternoon.Thehouseworkwillnotbedoneintheafternoon.Willthehouseworkbe

doneintheafternoon?Yes,itwill.No,itwon’t.4.When

will

thesebooksbepublished?

结构:肯定：will+be+动词的过去分词否定：will+not+be+动词的过去分词一般将来时的被动语态

Thehouseworkwillbedoneintheafternoon.

Thehouseworkwillnotbedoneintheafternoon.一般疑问句：Will+主语+be+动词的过去分词？Willthehouseworkbedone

intheafternoon?特殊疑问句：疑问词+情态动词+主语+be+动词的过去分词？

When

will

thesebooksbepublished?

Iwilldo

thehouseworkintheafternoon.含有一般将来时的主动语态转被动语态Thehouseworkwill

be

done

intheafternoon(byme).Pastparticiples(过去分词)Irregularverbs(不规则动词):read-read-readput-put-putcut-cut-cutspread-spread-spread传播hit-hit-hitcost-cost-cost花费A-A-AA-B-ARemember!!!find-found-found

发现

meet-met-met遇见build-built-built

建造

send-sent-sent送tell-told-told

告诉

sell-sold-sold

卖shoot-shot-shot射击

win-won-won赢sleep-slept-slept睡觉

keep-kept-kept保持buy-bought-bought买

teach-taught-taughtthink-thought-thought

思考，认为bring-brought-brought带来A-B-Blight-lit-lit

点亮

pay-paid-paid

付钱

stand-stood-stood

站，忍受choose-chose-chosen选择see-saw-seen看go-went-gone走drink-drank-drunk喝do-did-done做take-took-taken拿，带走steal-stole-stolen

偷swim-swam-swum

游泳write-wrote-written

写wear-wore-worn

穿A-B-CmustbekeptawayfromtheInternetshouldbegivenchances(bytheirparents)tomaketheirowndecisionsScan:Whatisthepassageabout?beaskedareallowedstartmovetakecontinuemanagev.完成（困难的事），应付（困难的局