一）固定结构：

　　1.allowdoing(区别：allowsb.todosth.)

　　2.keepdoing

　　3.keep/carryondoing

　　4.keepsb.doing

　　5.enjoydoing(Heenjoysnothingbutplayingthecomputer.)

　　6.finishdoing

　　7.beafraidofdoing

　　8.beworthdoing(Thispieceofmusicisworthlisteningto.)

　　9.bebusydoing(TheyarebusygettingreadyfortheNewYear’sEve.)

　　10.be/get/becomeusedtodoing（Weareusedtolivinginthecountryside.）

　　11.dislikedoing(Shedislikesdoinghousework.)

　　12.howaboutdoing//whataboutdoing

　　13.spendsometime(in)doing

　　14.spendsomemoney(in)buying

　　15.feellikedoing

　　16.stop/keep/prevent…fromdoing

　　17.thankyoufordoing

　　18.thanksfordoing

　　19.dosomecooking/cleaning/reading/shopping/washing

　　20.goswimming/fishing/shopping/skating/boating

　　21.minddoing

　　22.preferdoing…todoing…

　　23.practise(practice)doing(HepracticesspeakingEnglisheveryday.)

　　24.can’thelpdoing

　　25.havefun/difficulty/trouble/problemdoingsth.

　　26.wastetime/moneydoing

　　27.insteadofdoing

　　28.missdoing

　　29.lookforwardtodoing期望（渴望）做某事(I'mlookingforwardtogettingyourletter.)

　　30.thank…fordoing

　　31.leavesb./sth.doing(Hisparentsleavehisstayingathomeonweekend.)

　　二）need,require,want译作“需要”时,跟动词-ing作宾语,主动表示被动,相当于tobedone,如：

　　1.Thewindowsrequirecleaning.（Thewindowsrequiretobecleaned.）

　　2.Thepatientneedsoperatingonatonce.(Thepatientneedstobeoperatedon.）

　　3.Theflowerswantwatering.（Theflowerswanttobewatered.）

　　三）动词-ing在句中作表语：

　　Ourplanissettingupanewcarfactory.

　　Myjobisteaching/driving.

　　这类词作表语,起解释说明主语的作用,主表可颠倒：Teachingismyjob.转换成问句,用what提问：

　　——What'syourjob?

　　——Myjobisteaching.

　　四）动词-ing作定语：表示被修饰名词的用途：

　　Therearetworeadingroomsinourschoollibrary.

　　areadingroom其含义是Aroomisusedforreading.

　　Theswimmingpoolinourschoolisnearlycompleted.

　　theswimmingpool其含义是Thepoolisusedforswimming.

　　五）下面短语中的to是介词,后面只能跟名词或动名词：

　　getdownto(着手干……),leadto(通向,导致),objectto(反对),payattentionto(注意),lookforwardto(盼望),beusedto(习惯于),stickto(坚持),prefer…to…等.

　　〔误〕Hiswholefamilyobjectedtohisgiveupthejob.

　　〔正〕Hiswholefamilyobjectedtohisgivingupthejob.