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《初中英语语法_一般时态.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、一一般现在时一般现在时：表示现在的状态、经常的或习惯性的动作、客观真理或事实等。与一般现在时连用的时间状语：often,always,sometimes,usually,everyday/week/year等．一般现在时的构成：肯定句：主语＋is/am/are＋其它成分.Heisanofficeworker.主语(除第三人称单数)＋动词原形＋其它成分.Igetupatsixeveryday.主语(第三人称单数)＋动词s/es＋其它成分.Myfatherusuallygoestoworkbybus.我(I)
2、用am,你(you)用are,Is连着他(he)她(she)它(it),遇到复数都用are.否定句：主语＋am/is/arenot＋其它成分.Theyarenotinthelibrary.主语(除第三人称单数)＋don’t＋动词原形＋其它成分.Idon’tlikeswimming.主语(第三人称单数)＋doesn’t＋动词原形＋其它成分.Theoldmandoesn’tlikeplayingcards.一般疑问句：Am/Is/Are+主语＋其它成分?Isitatalltree?Do+主语(除第三人称单数)
3、＋动词原形＋其它成分?DotheGreensoftengoswimminginsummer?Does+主语（第三人称单数）＋动词原形＋其它成分?Doestheearthgoaroundthesun?特殊疑问句（一般时态）：疑问词＋is/am/are+主语＋(其它成分)？Whattimeisitnow?疑问词＋do+主语＋动词原形＋(其它成分)？Whendoyouusuallygotobed?疑问词＋does+主语（第三人称单数）+动词原形＋（其它成分）？WheredoesJimdohishomeworko
4、nweekdays?1、一般动词，在词尾加s;如：work--works,live--lives,play--plays,sing--sings.eg:ShelivesinNingbo.她住在宁波。2、以/s//z/等音素结尾的动词，词尾加-es，如词尾为e，只加-s.读作/iz/如：teach------teaches,wash-----washes.eg:Mymotherwashesthecoat.我母亲洗了大衣。行为动词do一般现在时第三人称单（he,she,it)的构成规则：3.以辅音字母加Y结尾
5、的词，改Y为I再加ES，读作[Z]Studyflystudiesflied4.以辅音字母+O结尾的词，一般情况是在词尾加ES读作[Z]godogoesdoes5.特殊情况：havehasEX21.Tomoften___(get)upatsixinthemorning2.Theearth__(go)aroundthesun.3.Mary’sparent__(live)inBeijing.4.She___(draw)verywell.Ex1.写出下列词的单三形式：look;go;give;fly;havelo
6、oks;goes;gives;flies;hasgetsgoeslivesdrawsWherearethey?Theyareintheclassroom.Ishehappy?Yes,heishappy.Ishestrong?Yes,heisstrong.Whatisit?Itisacat.Isshebusy?Yes,sheisbusy.AmIsad?No,Iamhappy.Isitveryhot?Yes,itisveryhot.Heishappy.否定句:一般疑问句:肯定回答:否定回答:Heisnot(i
7、sn’t)happy.Ishehappy?Yes,heis.No,heisn’t.Iamhappy.否定句:一般疑问句:肯定回答:否定回答:Iamnothappy.Areyouhappy?Yes,Iam.No,Iamnot.疑问句要求把BE提前，第一人称变成第二人称。Theyareintheclassroom.否定句:一般疑问句:肯定回答:否定回答:Theyarenot(aren’t)intheclassroom.Aretheyintheclassroom?Yes,theyare.No,theyaren’
8、t.肯定式否定式疑问式肯定否定回答Iamateacher.Iamnotateacher.AmIateacher?Yes,Iam.No,Iamnot.He/sheisateacher.He/sheisnotateacher.Ishe/sheateacher?Yes,he/sheis.No,he/sheisn’tItisacat.Itisnotacat.Isitacat?Yes,itis.No,itisn’t.We/You/The
