人教版必修四英語(yǔ)第四單元語(yǔ)法課件

GrammarGrammar1-ing形式作狀語(yǔ)2.-ing短語(yǔ)作狀語(yǔ)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(yǔ)從句或并列句。1.-ing短語(yǔ)在句子中可作狀語(yǔ)，來(lái)修飾謂語(yǔ)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。-ing形式作狀語(yǔ)2.-ing短語(yǔ)作狀語(yǔ)一般表示一個(gè)次要的21.作時(shí)間狀語(yǔ)-ing短語(yǔ)作時(shí)間狀語(yǔ)要置于句首。如：Hearingthebadnews,theycouldn’thelpcrying.=When______________________,theycouldn’thelpcrying.

當(dāng)聽(tīng)到這個(gè)不幸的消息時(shí)，他們情不自禁地哭了起來(lái)。theyheardthebadnews1.作時(shí)間狀語(yǔ)theyheardthebadnew3Havingreceivedhisletter,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(yǔ)動(dòng)詞動(dòng)作之前時(shí)，應(yīng)使用完成式：havingdone_______________(finish)hishomework,herushedouttoplaybasketball.HavingfinishedHavingreceivedhisletter,I4HavingbeentotheGreatWallmanytimes,hedidn’tgolastweek.

=_______________hehadbeentotheGreatWallmanytimes,hedidn’tgolastweek.

因?yàn)樗呀?jīng)去過(guò)長(zhǎng)城許多次，上周他就沒(méi)去。Because(As)=Because__________________,hecouldn’tgotosleep.因?yàn)樘鷼饬?，他不能入睡?.作原因狀語(yǔ)-ing短語(yǔ)作原因狀語(yǔ)置于句首。如：Beingsoangry,hecouldn’tgotosleep.hewassoangryBecause(As)=Because__________53.作條件狀語(yǔ)-ing作條件狀語(yǔ)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。youworkhard3.作條件狀語(yǔ)youworkhard64.作讓步狀語(yǔ)-ing短語(yǔ)作讓步狀語(yǔ)，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。hisfatherworkedfrommorningtillnight4.作讓步狀語(yǔ)Thoughworkingfrommo7

5.作伴隨狀語(yǔ)置于句首或句末。如：Theycameintotheclassroom,singingandlaughing.他們又唱又笑地走進(jìn)教室。=Theysangandlaughed;theycameintotheclassroom.5.作伴隨狀語(yǔ)=Theysangandlaughe8Whenworkinginthefactory,hewasanadvancedworker.=When_____________________,hewasanadvancedworker.注意：1.-ing短語(yǔ)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Whenworkinginthefactory,h9Thoughwillingtoattendtheparty,herefusedtheinvitation.=Thoughhewaswillingtoattendtheparty,…用“連詞+現(xiàn)在分詞”的結(jié)構(gòu)Ifyouplayallday,youwillwasteyourvaluabletime.=Ifplayingallday,youwillwasteyourvaluabletime.Thoughwillingtoattendthep102.動(dòng)詞-ing形式在句中作狀語(yǔ)時(shí)，其邏輯主語(yǔ)與主句的主語(yǔ)保持一致。如：

Hetraveledontheplanelikethis,keepingthetortoisehiddeninablanket.=Whenhetraveledontheplanelikethis,hekeptthetortoisehiddeninablanket.2.動(dòng)詞-ing形式在句中作狀語(yǔ)時(shí)，其邏輯主語(yǔ)與主句的主語(yǔ)111.a.Hearingthenews,tearsrandownherface.b.Hearingthenews,shecriedoutsadly.2.a.Enteringtheclassroom,Ifoundnobodyinit.b.Enteringtheclassroom,nobodywasfoundinit.Choosethecorrectsentence.FTFT1.a.Hearingthenews,tears123.a.Lookingoutthroughthewindow,thegardenwasbeautiful.b.Lookingoutthroughthewindow,wesawabeautifulgarden.4.a.Readingtheeveningnewspaper,adogstartedbarking.b.Iwasreadingtheeveningnewspaperwhenadogstartedbarking.FTTF3.a.Lookingoutthroughthe135.a.Beingfine,wewillhavethesportsmeetingnextweek.b.Itbeingfine,wewillhavethesportsmeetingnextweek.-ing形式的否定式為在其前面加not。如：Hesatthere,notknowingwhattosay.FT5.a.Beingfine,wewillhave14語(yǔ)態(tài)時(shí)態(tài)主動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendone語(yǔ)態(tài)主動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)一般式完成式(not)doing(n15注意：1.當(dāng)v-ing形式與句子的主語(yǔ)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(yǔ)動(dòng)詞動(dòng)作之前時(shí)，應(yīng)用完成被動(dòng)式：havingbeendoneHavingbeenshownthelab,weweretakentoseethelibrary.____________________(translate)intomanylanguages,thebookwaswidelyreadallovertheworld.Havingbeentranslated注意：1.當(dāng)v-ing形式與句子的主語(yǔ)之間存在著邏輯上的動(dòng)161.Theircarwascaughtinatrafficjam,thus____thedelay.A.tocauseB.causingC.causedD.causeExercise1.Theircarwascaughtinat172.Afterseein