新人教Unit3語(yǔ)法講解（課堂PPT）

Theuseof-ing1(not)doing(not)beingdone(not)havingdone(not)havingbeendone2二:V-ing可作主語(yǔ)、賓語(yǔ)、表語(yǔ);定語(yǔ)、狀語(yǔ)和賓語(yǔ)補(bǔ)足語(yǔ)，但不能單獨(dú)作謂語(yǔ)。

V-ing形式表示的動(dòng)作與主要?jiǎng)釉~同時(shí)發(fā)生或發(fā)生在主要?jiǎng)釉~之后，用其一般式;V-ing形式表示的動(dòng)作在主要?jiǎng)釉~之前發(fā)生，用其完成時(shí)，在具體應(yīng)用中也常以一般式代替完成式。3V-ing的用法：

1.作主語(yǔ)

★Swimmingisgoodforhealth.

★___________(raise)yourhattoaaladyisgoodmanners.

對(duì)一位女士脫帽致敬是禮貌的。

★____________(kill)bysharksintheseaisacommonthing.RaisingBeingkilled4注意：動(dòng)名詞和不定式都可以作主語(yǔ)，動(dòng)名詞作主語(yǔ)表示一般或抽象的多次性行為，不定式作主語(yǔ)往往表示具體的或一次性的動(dòng)作。如：Playingwithfireisdangerous.（泛指玩火）Toplaywithfirewillbedangerous.（指一具體動(dòng)作）5

2.作表語(yǔ)

☆

Teachingislearning.

教學(xué)相長(zhǎng)．

☆Myhobbyis__________(make)

modelplanes.

☆Whatworriedthechildmostwas_________(not,allow)tovisithismotherinthehospital.makingnotbeingallowed62).V-ing形式和不定式都要有對(duì)稱性;當(dāng)主語(yǔ)是不定式時(shí)，表語(yǔ)也用不定式；反之，當(dāng)主語(yǔ)是V-ing形式時(shí)，表語(yǔ)也用V-ing形式。

Toseeistobelieve.=Seeingisbelieving.注意7

3).It’snouse(good)doingsthIt’sawasteoftimedoingsthit作形式主語(yǔ),只用V-ing,不用不定式?！鵌tis+adj.+(forsb)todosth

Itisnousecryingoverspiltmilk.

覆水難收。

Itisawasteoftime___________(talk)tohim.

Itisimportantforme_______________(learn)English.talkingtolearn83.作賓語(yǔ)

V-ing形式既可作動(dòng)詞的賓語(yǔ),也可作介詞的賓語(yǔ)。

★Wewouldappreciatehearingfromyou．我們會(huì)珍惜你的來(lái)信。

★Thebirdescaped______________(catch).★Ifeellike__________(join)thearmy.★Hewasafraidof____________(abandon)byus.beingabandonedbeingcaughtjoining9注意：

在avoid,admit,appreciate,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,giveup,putoff,feellike,insiston,insteadof,lookforwardto,objectto,keepon等后只接V-ing形式作賓語(yǔ)。10避免錯(cuò)過(guò)少延期建議完成多聯(lián)系喜歡想象禁不住承認(rèn)否定與嫉妒逃避冒險(xiǎn)莫原諒忍受保持不介意11注意①在want，need，require，deserve等動(dòng)詞之后作賓語(yǔ)時(shí)，常用動(dòng)名詞的主動(dòng)式表示被動(dòng)意義。Yourcarneedsfilling.你這車要充氣了。

Thiscitydeservesvisiting.這座城市值得光顧一下。

Theproblemrequiresstudyingcarefully.這個(gè)問(wèn)題需要認(rèn)真研究。

Thetreeswantwatering.這些樹(shù)需要澆水了。12②在（be）worth后面只能用動(dòng)名詞的主動(dòng)態(tài)來(lái)表示被動(dòng)意義。Hissuggestionisworthconsidering.Thebookisworthreading.③在allow，advise，forbid，permit等動(dòng)詞后直接跟動(dòng)名詞形式作賓語(yǔ)，如果后面有名詞或代詞作賓語(yǔ)，其后用動(dòng)詞不定式作賓語(yǔ)補(bǔ)足語(yǔ)。如：Wedon’tallowsmokinghere.Wedon’tallowstudentstosmoke.131.Sorry,wedon’tallow__________inthelectureroom.A.tosmoke B.smokeC.smokingD.tosmoking2..Theydon’tpermit__________noiseher.A.tomake B.make C.makingD.made3.Thesentencewants__________oncemore.A.toexplain B.explainingC.beingexplained D.tobeexplainedit4.Thesquirrelwasluckythatitjustmissed__________.A.catching B.tobecaught C.beingcaughtD.tocatchExercises144.作定語(yǔ)

＊Thegirlstandingthereismysister.＊Thisisapieceof__________(surprise)news.＊Theproblem____________(discuss)nowisveryimportant.＊Thefarmers____________(work)inthefieldsaretired.surprisingbeingdiscussedworking155.作狀語(yǔ)◆Hearingthegoodnews,hejumpedwithjoy.◆Hesatatthetable,__________(read)ChinaDaily.◆______________(ask)toanswerthequestion,shecouldn’trefuse.◆__________(work)hard,youwillsucceed.readingWorkingBeingasked166.作賓語(yǔ)補(bǔ)足語(yǔ):●Isawpeoplecomingandgoinginthestreet.●Iheardher___________(sing)asonginherroom.●You’llfindthetopic_____________(discuss)everywherenow.beingdiscussedsinging177.---Ving一般時(shí)和一般時(shí)的被動(dòng)形式;Hehurriedhome,lookingbehindfromtimetotime.2)Thebuildingbeingrepairedisourdormitory.

18---Ving的完成時(shí)和完成時(shí)的被動(dòng)形式1)Havinglitacandle,shewentout.2)Havingbeenaskedtostay,Icouldn’tleave.3)Havingheardthis,ourteacherexpressedhersatisfaction.1920Practice1.---WhatmadeBillsoangry?---___.Hisgirlfriendpromisedtocomeat8:30,butshehasn’tcomeyet.A.HavingkeptwaitingB.BeingkeptwaitingC.TobekeptwaitingD.BeingkeptwaitedB212.Thebuilding___inourschoolisforusteachers.Thoughthere’snoisemostoftheday,westillfeelhappyaboutit.A.builtB.havingbeenbuiltC.tobebuiltD.beingbuiltD223.Thesquirrelwasluckythatitjustmissed___.A.catchingB.tobecaughtC.beingcaughtD.tocatchC234.Whileshopping,peoplesometimescan’thelp___intobuyingsomethingtheydon’treallyneed.A.topersuadedB.persuadingC.beingpersuadedD.bepersuadedC245.___manytimes,theboystilldidn’tknowhowtodotheexercises.A.