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1、英语常用时态分辨：时态结构要求典型时间状语一般现在时态动词原形主语+动词第三人称be动词谓语动词有人称和数的变化always,usually,sometimes,often,everyday/week/month/year等一般过去时态主语+动词的过去式谓语动词没有人称和数的变化yesterday;in+过去的时间;ago;justnow;last(night,week,month,year)等一般将来时态主语+willdobegoingtodo动词原形前有将来时态的标志，且不能丢。tomorrow,nextweek/month/year;in+将来的时间等现在
2、进行时态主语+be+doing1.有人称和数的变化2.be+doing两者缺一不可now,look,listen,atthemoment,rightnow等现在完成时态主语+have/has+动词的过去分词1.谓语动词有人称和数的变化;2.have/has和动词的过去分词两者缺一不可already,just,yet,ever,never,since（接时间点）,for(接一段时间)，现在完成时态练习一、用所给动词的正确形式填空;1.——they(take)alotofphotosofyou?——No,notyet.2.She(notmeet)meforalong
3、time.3.——Howlongyou(be)inLondon?4.Ialready(see)thefilm,I(see)itlastweek.5.Hisfather(go)toNewYorkonbusiness.6.We________________(study)inLittleStarEnglishsincetwoyearsago.7.They_________(study)Englishforalongtime.8.Thechildren_________(enjoy)themselvesinthepartylastSundaymorning..9.My
4、father___________(read)thenoveltwice.10.——Thedoorisopen.Who______(open)it?Doyouknow?——Sorry,Idon’tknow.11.——She______________(buy)aHelloKittyforyou,hasn’tshe?——Yes,she_______.She__________(buy)itinShanghailastsummer.12.——Areyousureyou_______________(lose)yourdictionary?——Yes,I_______
5、________(look)foriteverywhere,butIstillcan’tfindit.三、句型转换：1.Ihavefedthefish.（改为疑问句）2.ShehasbeentoBeijing.（改为疑问句并作否定回答）3.Mybrotherhasvisitedatoymuseum.（改为否定句）4.UncleTomhasbeenhereforfivedays.（对画线部分提问）5.Ihaveeatenfishandchips.（改为否定句）6.Theyhaveboughtacomputer.(改成否定句)____________________
6、_____________________7.Hehaslosthisbook.(先改成一般疑问句,再作肯定与否定回答)_________________________________________8.MissBrownhastaughtphysicsfor15years.(改为一般疑问句句，并作肯定回答）____________________________________________________________9.Hehasplantedsometreesinfrontofhishouse.___________________________
7、_________________________________9.DanielhascollectedsomeChinesestamps.____________________________________________________________10.ThetwoAustralianteachershavevisitedthatvillagetwice.____________________________________________________________11.Milliehasn'tcomebecauseheisill.____
8、____________
