有些动词后接宾语时,既可接不定式,又可接动名词,但有区别.如 　　1.liketodo“喜欢做某事”,指一次性动作.如Iliketoswiminthisrivernow. 　　likedoing“喜欢做某事”,指习惯性动作.如Ilikeswimming. 　　类似的还有：disliketodo/doing(“不喜欢做某事”),hatetodo/doing(“讨厌做某事”), 　　lovetodo/doing(“热爱做某事”),prefertodo/doing(“更喜欢做某事”). 　　2.remembertodo“记得要去做某事”如Sherememberedtoseeherparentsthenextday. 　　rememberdoing“记得做过某事”如Irememberedmeetingheryesterday. 　　3.forgettodo“忘了要去做某事”如Theyalwaysforgettohavelunchwhentheyarebusy. 　　forgetdoing“忘了做过某事”如IforgotphoningTom,soIphonedhimthesecondtime. 　　4.trytodo“试图(尽力)做某事”如Hetriedtocatchtheearlybusandhegotonitatlast. 　　trydoing“试图(试着)做某事”如Itriedgettingonwellwiththenewstudents. 　　5.meantodo“打算做某事”如Jackmeanttohelpothers. 　　meandoing“意味着做某事”如Drinkingmeanswastingyourlife. 　　6.needtodo“需要做某事”(主语必须是人)如Weneedtohavearest. 　　needdoing“需要做某事”(主语必须是物)如Thebikeneedsmending.(=Thebikeneedstobemended) 　　7.wanttodo“想要做某事”(主语必须是人)如Wewanttohavearest. 　　wantdoing“想要做某事”(主语必须是物)如Thebikewantsmending.(=Thebikewantstobemended) 　　8.begintodo与begindoing都译作“开始做某事”,二者可以混用.但是begindoing更强调动作不但开始,而且一直持续下去.如Thebabybegancryinghard. 　　而在下类情况下只用begintodo,不用begindoing： 　　○1当主语是物时.如Itbegantosnow. 　　○2当begin用进行时的时候.如Thetrainisbeginningtoleave. 　　○3当begin后接表示心理活动的动词(如think,understand,know)时.如Shebegantounderstandherparents. 　　注：begin的用法完全适用于start. 　　9.goontodo“继续做某事”,指做不同的事. 　　如AfterreadingEnglish,shewentontolearnmath. 　　goondoing“继续做某事”,指做同一件事,相当于_goonwithsth. 　　如WhenIwaswritingaletter,someoneknockedatthedoor.Iopenedthedoorandthenwentonwritingtheletter(=…wentonwiththeletter). 　　10.continuetodo“继续做某事”,指做不同的事. 　　如AfterreadingEnglish,shecontinuedtolearnmath. 　　continuedoing“继续做某事”,指做同一件事. 　　如WhenIwaswritingaletter,someoneknockedthedoor.Iopenedthedoorandthencontinuedwritingtheletter. 　　11.beusedtodo“被用来做某事”如Dictionariesareusedtolookupwords. 　　beusedtodoing“习惯于做某事”如Heisusedtoexercisinginthemorning.