人教版必修四英語第四單元語法-課件

Grammar-ing作狀語1ppt課件Grammar1ppt課件-ing形式作狀語2.-ing短語作狀語一般表示一個(gè)次要的動(dòng)作，一般都可以變?yōu)橄鄳?yīng)的狀語從句或并列句。1.-ing短語在句子中可作狀語，來修飾謂語動(dòng)詞或整個(gè)句子，表示動(dòng)作發(fā)生的時(shí)間、原因、條件、結(jié)果、讓步或伴隨等情況。2ppt課件-ing形式作狀語2.-ing短語作狀語一般表示一個(gè)次要的1.作時(shí)間狀語-ing短語作時(shí)間狀語要置于句首。如：Hearingthebadnews,theycouldn’thelpcrying.=When______________________,theycouldn’thelpcrying.

當(dāng)聽到這個(gè)不幸的消息時(shí)，他們情不自禁地哭了起來。theyheardthebadnews3ppt課件1.作時(shí)間狀語theyheardthebadnewHavingreceivedhisletter,Idecidedtowriteback.

收到他的信后，我決定給他回信。

=After_______________________,Idecidedtowriteback.Ihadreceivedhisletter注意：當(dāng)v-ing形式所表示的動(dòng)作發(fā)生在謂語動(dòng)詞動(dòng)作之前時(shí)，應(yīng)使用完成式：havingdone_______________(finish)hishomework,herushedouttoplaybasketball.Havingfinished4ppt課件Havingreceivedhisletter,IHavingbeentotheGreatWallmanytimes,hedidn’tgolastweek.

=_______________hehadbeentotheGreatWallmanytimes,hedidn’tgolastweek.

因?yàn)樗呀?jīng)去過長城許多次，上周他就沒去。Because(As)=Because__________________,hecouldn’tgotosleep.因?yàn)樘鷼饬耍荒苋胨?.作原因狀語-ing短語作原因狀語置于句首。如：Beingsoangry,hecouldn’tgotosleep.hewassoangry5ppt課件Because(As)=Because__________3.作條件狀語-ing作條件狀語置于句首或句末。如：Workinghard,youwillsucceed.

=If______________,youwillsucceed.

如果你勤奮一點(diǎn)，你就會(huì)成功。youworkhard6ppt課件3.作條件狀語youworkhard6ppt課件4.作讓步狀語

-ing短語作讓步狀語，可置于句首或句末，常與evenif,though連用。如：Thoughworkingfrommorningtillnight,hisfatherdidn’tgetenoughfood.=Though_____________________________________,hedidn’tgetenoughfood.雖然他父親從早到晚拼命地干活，但是他還是掙不到足夠的吃的。hisfatherworkedfrommorningtillnight7ppt課件4.作讓步狀語Thoughworkingfrommo

5.作伴隨狀語置于句首或句末。如：Theycameintotheclassroom,singingandlaughing.他們又唱又笑地走進(jìn)教室。=Theysangandlaughed;theycameintotheclassroom.8ppt課件5.作伴隨狀語=TheysangandlaugheWhenworkinginthefactory,hewasanadvancedworker.=When_____________________,hewasanadvancedworker.注意：1.-ing短語與when,while,though,until,if等連詞連用時(shí)，相當(dāng)于這些連詞引導(dǎo)的一個(gè)從句。如：heworkedinthefactory連詞+現(xiàn)在分詞9ppt課件Whenworkinginthefactory,hThoughwillingtoattendtheparty,herefusedtheinvitation.=Thoughhewaswillingtoattendtheparty,…用“連詞+現(xiàn)在分詞”的結(jié)構(gòu)Ifyouplayallday,youwillwasteyourvaluabletime.=Ifplayingallday,youwillwasteyourvaluabletime.10ppt課件Thoughwillingtoattendthep2.動(dòng)詞-ing形式在句中作狀語時(shí)，其邏輯主語與主句的主語保持一致。如：

Hetraveledontheplanelikethis,keepingthetortoisehiddeninablanket.=Whenhetraveledontheplanelikethis,hekeptthetortoisehiddeninablanket.11ppt課件2.動(dòng)詞-ing形式在句中作狀語時(shí)，其邏輯主語與主句的主語1.a.Hearingthenews,tearsrandownherface.b.Hearingthenews,shecriedoutsadly.2.a.Enteringtheclassroom,Ifoundnobodyinit.b.Enteringtheclassroom,nobodywasfoundinit.Choosethecorrectsentence.FTFT12ppt課件1.a.Hearingthenews,tears3.a.Lookingoutthroughthewindow,thegardenwasbeautiful.b.Lookingoutthroughthewindow,wesawabeautifulgarden.4.a.Readingtheeveningnewspaper,adogstartedbarking.b.Iwasreadingtheeveningnewspaperwhenadogstartedbarking.FTTF13ppt課件3.a.Lookingoutthroughthe5.a.Beingfine,wewillhavethesportsmeetingnextweek.b.Itbeingfine,wewillhavethesportsmeetingnextweek.-ing形式的否定式為在其前面加not。如：

Hesatthere,notknowingwhattosay.FT14ppt課件5.a.Beingfine,wewillhave(not)doing(not)beingdone(not)havingdone(not)havingbeendone15ppt課件(not)doing(not)beingdone(no注意：1.當(dāng)v-ing形式與句子的主語之間存在著邏輯上的動(dòng)賓關(guān)系時(shí)，應(yīng)使用被動(dòng)式：beingdoneBeinghelpedbytheteacher,shewilllearnEnglishwell.2.當(dāng)v-ing形式被動(dòng)式的動(dòng)作發(fā)生在謂語動(dòng)詞動(dòng)作之前時(shí)，應(yīng)用完成被動(dòng)式：havingbeendoneHavingbeenshownthelab,weweretakentoseethelibrary.____________________(translate)intomanylanguages,thebookwaswidelyreadallovertheworld.Havingbeentranslated16ppt課件注意：1.當(dāng)v-ing形式與句子的主語之間存在著邏輯上的動(dòng)1.Theircarwascaughtinatrafficjam,thus____thedelay.A.tocauseB.causingC.causedD.causeExercise17ppt課件1.Theircarwascaughtinat2.Afterseei