非谓语动词:在句中不单独作谓语的动词叫非谓语动词。例:Helikestoreadthenovel.例:Heenjoyedtravelingaroundworld.例:JohnmadeTomgowithhim.解析:英语的单句中,可能有两个动词,动词2根据动词1的而变化。而我们看到的动词2,及(todo,doing,done等形式,就是非谓语动词)•单句中的动词1与动词2,动词1是谓语,有各种时态、语态、语气的变化动词2根据动词1而变化例:HewantedtodothatIamenjoyingseeingthefilmLetusgo!非谓语动词的种类1.不定式todo有还没有做的含义.2.动名词doing表示抽象的名词意义3.现在分词doing表示主动或进行的意义.4.过去分词done表示被动或完成的意义.只加ving的词Avoid避免;consider考虑;delay拖延;dislike不喜欢;enjoy欣赏;excuse原谅;forgive原谅;finish完成;imagine设想;keep保持;mind介意;pardon原谅;prevent阻止;practise练习;risk冒险;suggest建议;understand理解--动名词与不定式语义不同1.stoptodo2.forgettodo3.remembertodo4.regrettodo5.trytodo6.goontodo7.Beafraidtodo1.stopdoing2.forgetdoing3.rememberdoing4.regretdoing5.trydoing6.goondoing7.Beafraidofdoing1)stopdoing/todostoptodo停止,中断做某事后去做另一件事。stopdoing停止做某事。Theystoptosmokeacigarette.他们停下来,抽了根烟。Imuststopsmoking.我必须戒烟了。典型例题Shereachedthetopofthehillandstopped___onabigrockbythesideofthepath.A.tohaverestedB.restingC.torestD.rest答案:由题意可知,她到了山顶,停下来在一个路边的大石头上休息。因此,应选择stoptodosth.停下来去做另一件事。而不仅仅是爬山动作的终止,所以stopdoingsth.不正确。C2)forgetdoing/todoforgettodo忘记要去做某事。(未做)forgetdoing忘记做过某事。(已做)Thelightintheofficeisstilon.Heforgottoturnitoff.办公室的灯还在亮着,它忘记关了。(没有做关灯的动作)Heforgotturningthelightoff.他忘记他已经关了灯了。(已做过关灯的动作)典型例题----Thelightintheofficeisstillon.----Oh,Iforgot___.A.turningitoffB.turnitoffC.toturnitoffD.havingturneditoff答案:由thelightisstillon可知灯亮着,即关灯的动作没有发生,因此用forgettodosth.而forgetdoingsth表示灯已经关上了,而自己忘记了这一事实。此处不符合题意。C3)rememberdoing/todoremembertodo记得去做某事(未做)rememberdoing记得做过某事(已做)Remember_______tothepostofficeafterschool.记着放学后去趟邮局。Don'tyou________________themanbefore?你不记得以前见过那个人吗?togorememberseeing6)trydoing/todotrytodo努力,企图做某事。trydoing试验,试着做某事。Youmusttrytobemorecareful.你可要多加小心。Itriedgardeningbutdidn'tsucceed.我试着种果木花卉,但未成功。7)goondoing/todogoontodo做了一件事后,接着做另一件事。goondoing继续做原来做的事。Afterhehadfinishedhismaths,hewentontodohisphysics.做完数学后,他接着去做物理。8)beafraidofdoing/todobeafraidtodo不敢,胆怯去做某事,是主观上的原因不去做,意为怕;beafraidofdoing担心出现doing的状况、结果。doing是客观上造成的,意为“生怕,恐怕”。Shewasafraidtostepfurtheringrassbecauseshewasafraidofbeingbittenbyasnake.她生怕被蛇咬着,而不敢在草丛中再走一步。Shewasafraidtowakeherhusband.她不敢去叫醒她丈夫。Shewasafraidofwakingherhusband.她生怕吵醒她丈夫。感官动词+doing/todo感官动词see,watch,observe,notice,lookat,hear,listento,smell,taste,feel+do表示动作的完整性,真实性;+doing表示动作的连续性,进行性Isawhimworkinthegardenyesterday.昨天我看见他在花园里干活了。(强调我看见了这个事实)Isawhimworkinginthegardenyesterday.昨天我见他正在花园里干活。(强调我见他正干活这个动作)典型例题1)Theyknewherverywell.Theyhadseenher___upfromchildhood.A.growB.grewC.wasgrowingD.togrow答案:因题意为,他们看着她长大,因此强调的是成长的过程,而非正在长的动作,因此用seesbdosth的句型。2)Themissingboywaslastseen___neartheriver.A.playingB.tobeplayingC.playD.toplay答案.本题强调其动作,正在河边玩,应此用seesb.doingsth句型。AA动词+todo动词+疑问词+todo动词+it(形式宾语)+宾补+todo常见动词有agree,decide,fail,hope,wish,want,plan,learn,wouldlike,can’twait(迫不及待)can’tafford(负担不起)等Idon’tknowwhattodo.Canyoutellmehowtogetthere?Ican’tdecidewhichtochoose.IfinditimportanttolearnEnglish.Ithinkitnecessarytodrinkthewater.用法:作宾语一些省略to的句型(1)Whynot+动词原形(2)Whydon’tyou+动词原形(3)You’dbetter+动词原形(4)You’dbetternot+动词原形(5)Willyouplease+动词原形(6)Willyoupleasenot+动词原形(7)sbdonothingbut(只是,只不过)例:Theydidnnothingbutcomplain常见固定搭配1.too…todoThedeskistooheavytocarry.2.be+adj+enoughtodoTheroomisbigenoughfor10peopletolivein.3.It’stimetodosth或It’stimeforsbtodosth.It’stimetohavearest.4.Ittakessbsometimetodosth.Ittakesmethreedaystofinishthejob.5.be+adj(glad.sorry.sure.happy.afraid等表情感的形容词后)+todosth.(1)I’msorrytotroubleyou.介词+doinglookforwardtodoingsth.(盼望)payattentiontodoingsth.(注意)beusedtodoingsth.(习惯于)preferdoingsthtodoingsth.(更喜欢)makeacontributiontodoing(做贡献)分词分为现在分词和过去分词。分词4区别:现在分词表示主动,过去分词表示被动。如:Themanstandingbythewindowsisourteacher.站在门边的人是我们的老师。Thehousebuiltlastyearhasbecomeourlab.去年建的房子已成了我们的实验室。1现在分词表示正在进行的动作,过去分词表示完成的动作。如:fallingleaves正在飘落的树叶fallenleaves落叶(已落下)developingcountry发展中国家developedcountry发达国家