do的用法

英语中do的用法一.基本形式肯定：do第一和第二人称以及第三人称复数I/we/you/theydodoes第三人称单数she/he/it/Tomdoesdid一般过去式Ididmyhomeworkyesterday.doing/done否定：donot=don’tdoesnot=doesn’tdidnot=didn’t二.基本用法（做实意、助动词、替前文、强语气）（一）实意动词1.做，干，办Idomyhomework.2.表现KatedoeswellinEnglish.3.顺利进行，进展Howdoyoudo?4.从事（职业）Whatdoyoudo?Exercise:做运动做作业做练习做饭(二)助动词没有意义，只有do,does,did三种形式1.用于实意动词前构成否定句和疑问句。陈述句：Ilikeswimming.否定句：Idon’tlikeswimming.疑问句：Doyoulikeswimming?肯定回答：Yes,Ido.否定回答：No,Idon’t.变句型，先观察。主语为一、二、三复，陈述句中动用原。一般疑问do句首，否定don’t实动前。若是主语为单三，陈述句中句变形。一般疑问也简单，does放在句子前，否定doesn’t实动前，实动出现要还原。Exercise:把下面的陈述句改为否定句，疑问句并回答。1.Shelikesapples.2.Mymotherhasthreesons.3.Wewanttosleep.4.IamfromChina.5.Idomyhomework.6.Iateanapple.2.代替实意动词，以避免重复。①Tomrunsmuchfasterthanyoudo.②-Lucy,canyougetsomemoretea,please?-Sure.I'lldoitrightaway.②-Whobrokethecup?-Mimidid.③-Ilikebananas.-Sodoeshe.So+do/does/did+人表示上一种情况也适应于后者3.加强语气①Dobecareful.②Don'ttellalie.③Hedidcome.（三）名词1.社交活动，社交聚会Iwanttohaveabigdoformybirthday.我打算举行大型生日宴会。2.dosanddon’ts规则，注意事项Keys:（一）dosportsdohomeworkdoexercisesdocooking选择1.Whatcolor()youlikebest?A.doB.doesC.are2.shelikecat?A.DoB.DoesC.Is3.Doesshe()applesorpears?A.likesB.likeC.liked4.—Doyoulikered?—().A.Yes,Idon’t.B.Yes,Ido.C.No,Ido.D.No,Idoesn’t.