学习必备欢迎下载非谓语动词一、动词不定式1、动词不定时的构成不定时的基本形式为：to+动词原形，有时可以不用to，这里的to是不定式符号，本身无词义，动词不定式的否定形式是not+（to+）动词原形。?AlthoughJefflovesKFC,hetries____ittoooften.A.toeatB.noteatC.tonoteatD.nottoeat2、动词不定式的句法功能1）动词不定式作主语动词不定式作主语时，句子的谓语动词常用单数，其位置有以下两种：①把不定式置于句首。Togettherebybikewilltakeushalfanhour.骑自行车到那儿将花费我们半个小时。Tosavemoneynowseemsimpossible.现在好像不可能省钱。②用it作形式主语，把真正的主语不定式置于句后.It'sourdutytotakegoodcareoftheold.Ittakesmetwodaystoreadthebook.Itisdifficultforustofinishwritingthecompositioninaquarterofanhour.Itisstupidofyoutowritedowneverything(that)theteachersays.Itseemedimpossibletosavemoney.考点拓展：itis+adj+forsbtodo...itis+adj+ofsbtodo....的含义及区别Itiskindofyoutohelpme.你能帮我太好了.Itisbeneficialforyoutodosports.运动对你有益.完成下列句子,试试:It'sverydifficult_________metodoit.It'sverykind__________youtodoitforme.Itisclever________himtocomedownwithoutropes.1.Itwasstupid____metotalkinthatwaytomymother.2.Itisveryimportant___ustomasterEnglish.3.Itwasimpossible____thelittleboytocarrysuchaheavybox.4.Itissmart___themtomakegooduseoftheInternet.2）不定式作宾语1）有些谓语动词后只能用不定式作宾语，常见的这类词是表示命令、打算或希望的，如：wouldlike,like,want,wish,hope,decide,plan,expect等。如：Iplantoseeafilmthisevening.Iwanttogotoschool.考点拓展：不定式常和疑问词what,which,when,where,how连用，相当于一个宾语从句。如：Theteacheristellingthestudentswhattodo.老师正告诉学生们做什么。Hedidn'tknowwheretogo.他不知道去哪里。?JohnaskedDavidhow____Christmas.A.celebratingB.tocelebrateC.tobecelebratedD.celebrate2）在find,think后跟不定式作宾语时，常用it代替，而将真正的宾语放在后面。IfinditeasytoreadEnglisheveryday.?Ifind____himallaboutit.A.necessarytotellB.thatnecessarytoC.necessaryittotellD.itnecessarytotell3）不定式作宾语补足语学习必备欢迎下载Lucyaskedhimtoturndowntheradio.MymotherencouragesmetolearnJapanese.4、不定式作定语①不定式作定语时，应放在名词之后。它与名词有逻辑上的动宾关系。?I’mthirsty.Willyougetmesomething____?A.drinkB.todrinkC.eatD.eating②如果是不及物动词，且与所修饰的词之间有动宾关系，要在不定式后加上适当的介词。?Sallyhadnopen____yesterdaymorning.A.towriteB.towritewithC.writingD.writingwith?Haveyoudecided____?A.togowithwhomB.whomtogowithC.whomgowithD.withwhomtogo?Wouldyoupleasepassmetheknife____?A.tocutthewatermelonwithB.tocutthewatermelonC.cuttingthewatermelonD.cuttingthewatermelonwith4）不定式作状语?Themeetingroomisbigenough____onehundredpeople.A.holdingB.holdC.toholdD.holds?Todayweusemachines_____usdomostofourwork.A.tohelpB.helpC.helpingD.helped二、动名词一、动名词的构成：动名词一般由“动词原形+ing”构成二、动名词的句法功能功能例句说明主语Eatingtoomuchisbadforyourhealth.吃得太多对你的健康有害。谓语动词用单数形式。宾语动词宾语介词宾语Ilikeplayingbasketballverymuch.我非常喜欢打篮球。Stampsareusedforsendingletters.邮票是被用来寄信的。表示一般的习惯或抽象行为或经常性的动作。表语Hishobbyiscollectingstamps.=Collectingstampsishishobby.多数情况下，动名词作表语可转化成作主语。定语Sheisinthereadingroom.她在阅览室。Weshouldimproveourteachingmethods.我们应该改进教学方法。只表明它所修饰的词的用途、所属关系等。置于所修饰词之前。学习必备欢迎下载小结一．后面可跟动词的ing形式的情况1.动词：finishdoingsth.完成做某...
