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一般现在时一般现在时a.a.一般一般+s+sb.b.以以s,x,ch,sh,os,x,ch,sh,o结尾的结尾的+es+esc.c.以辅以辅+y+y结尾的变结尾的变yy为为i+esi+es1.1.含义含义：表示经常的或习惯性的动作：表示经常的或习惯性的动作2.2.构成构成：：S.(S.(主语主语)+do()+do(动词原形动词原形))S.+v.-sS.+v.-s((动词第三人称单动词第三人称单数数))3.3.标志词标志词：：every(every(每每),often(),often(经常经常))1.1.原句中有动词原形原句中有动词原形::S.(S.(主语主语)+)+don’tdon’t2.2.原句中有动词第三人称单数原句中有动词第三人称单数::S.(S.(主语主语)+)+doesn’t,doesn’t,动词恢复原形动词恢复原形否定句否定句e.g.1.Ie.g.1.Iwantwanttogotoschool.togotoschool.2.She2.Shehashasacat.acat.Idon’twantwanttogotoschool.togotoschool.SheShedoesn’tdoesn’thavehaveacat.acat.Ex.Ex.1.1.WelikeEnglish.WelikeEnglish.2.2.Hegoestoworkbycar.Hegoestoworkbycar.3.Tomdoeshishomeworkat8.3.Tomdoeshishomeworkat8.WeWedon’tdon’tlikeEnglishlikeEnglishHeHedoesn’tdoesn’tgogotoworkbycar.toworkbycar.TomTomdoesn’tdoesn’tdodohishomeworkat8.hishomeworkat8.一般疑问句一般疑问句1.1.原句中有动词原形原句中有动词原形::DoDo++原句原句??Yes,…do./No,…don’t.Yes,…do./No,…don’t.2.2.原句中有动词第三人称单数原句中有动词第三人称单数::DoesDoes++原句原句??动词恢复原形动词恢复原形Yes,…does./No,…doesn’t.Yes,…does./No,…doesn’t.e.g.1.Hee.g.1.Hewantswantstogohome.togohome.DoesDoeshehewantwanttogohome?togohome?Yes,heYes,hedoesdoes./No,he./No,hedoesn’tdoesn’t..Ex.Ex.1.1.IlikeEnglish.IlikeEnglish.2.2.Hegoestoworkbycar.Hegoestoworkbycar.3.Tomdoeshishomeworkat8.3.Tomdoeshishomeworkat8.DoDoyoulikeEnglish?youlikeEnglish?Yes,IYes,Idodo./No,I./No,Idon’tdon’t..DoesheDoeshegogotoworkbycar?toworkbycar?Yes,heYes,hedoesdoes./No,he./No,hedoesn’tdoesn’t..DoesDoesTomTomdodohishomeworkat8?hishomeworkat8?Yes,heYes,hedoesdoes./No,he./No,hedoesn’tdoesn’t..