资源描述:
《动词不定式的基本形式.ppt》由会员上传分享,免费在线阅读,更多相关内容在PPT专区-天天文库。
1、Theinfinitive不定式动词不定式的基本形式动词不定式否定形式被动形式进行时完成时todonottodotobedonetobedoingtohavedone5.作表语6.作状语不定式3.作宾语补足语1.作主语2.作宾语4.作定语不定式的功能他的梦想是结婚,得到一份工作.Hisdreamistogetajobandgetmarried.“生活中没有什么可怕的东西,只有需要理解的东西.”“Nothinginlifeistobefeared;itisonlytobeunderstood.”Inordertogetagoodjob
2、,Ineedauniversitydiploma.Inordernottoletmyselfdown,Imustmakeeveryeffort.要有好工作,我得有张大学文凭.为了不使自己失望,我必须尽一切努力.①Toseeistobelieve.Toloseheartmeansfailure.②It’sagoodhabittogetupearly.③It’snecessaryforustodrinkwaterasoftenaspossible.1.动词不定式作主语(Subject):注:1.动词不定式作主语时,谓语动词用单数。2.如
3、果动词不定式太长,常把it用作形式主语。hope,wish,want,promise,agree,decide,plan,refuse,manage,determine,fail,hurry2.动词不定式作宾语:Ifinditinterestingtoworkwithhim.Hefeltitahardtasktofinishitontime.e.g.Ipromisetofinishthehomeworkontime.want,ask,teach,promise,tell,allow,permit,forbid,advise,pers
4、uade;order;invite3.动词不定式作宾语补足语:Theteacheradvisedustoreadeverymorning.注:但感官动词(see,observe,hear,find...),使役动词(make,let,have)后省略to作宾补,在被动语态中加回to。Inoticedhimleave.=Hewasnoticedtoleavebyme.Ihavesomebooksforyoutoread.Pleasegivemeaknifetocutwith.Sheislookingforaroomtolivein.4
5、.不定式作定语注:1不定式作定语时,与其修饰的词往往有动宾关系。2不定式作定语往往表示尚未发生的动作。比较:①Ihavesomeclothestowash.②Ihavesomeclothestobewashed.如果句子的主语是不定式的执行者,不定式用主动。如果句子的主语不是不定式的执行者,不定式用被动。5.不定式作表语Myjobistohelpthepatient.TheonlythingIcandoistostudyhard.6.动词不定式作状语I’msavinguptobuyacomputer.1表示目的___________
6、passtheexam,heworkedveryhard.Inordertosoasto不可以置于句首目的状语还可以用inorderto或soasto来表示不定式表示结果常见于下列句型2表示结果1) onlytodoHeliftedarockonlytodropitonhisownfeet.2) enoughtodoHedidn'trunfastenoughtocatchthetrain.3) too...todoHiseyesightistoopoortoreadsuchsmallletters.4) so...astodoWou
7、ldyoubesokindastolendmeyourbicycle?5) such...astodoWearenotsuchfoolsastobelievehim.3.不定式作原因状语:通常用来表示情绪方面的。Iamsorrytohearthat.Iamgladtoseeyou.Wewereveryexcitedtohearthenews.1.灰心意味着失败.Toloseheartmeansfailure.2.分析明显存在的东西需要非凡的头脑.Ittakesaveryunusualmindtoundertakeanalysisof
8、theobvious.3.医生预测我只有两年可以活了.ThedoctorpredictedthatIhadonlytwoyearstolive.4.对我而言下一件大事就是娶我爱的那个女孩.Thenextbigthingformeist