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四大时态总结--------一般现在时、一般将来时、一般过去时、现在进行时一、一般现在时一般现在时表示经常性或习惯性的动作，常与表示频度的时间状语连用，如often,usually,always,sometimes,never,seldom,everyweek/day/year/month...,onceaweek,onSundays等。动词用原形。当主语为第三人称单数时（he,she,it,一个人名），动词变为三单形式。肯定句否定句一般疑问句特殊疑问句Be动词主语+am/is/are+其它Iamaboy.主语+am/is/arenot+其它Iamnotaboy.Am/is/are+主语+其它Areyouaboy?Yes,Iam.No,Iamnot.疑问词（where/what/when/who/why/how）+am/is/are+主语+其它Whereareyou?行为动词第一人称I、第二人称you、复数主语+动词原形(+其它)。Weplaybasketballafterschooleveryday.主语+don't+动词原形(+其它)。wedon’tplaybasketballafterschooleveryday.Do+主语+动词原形+其它?Doyouplaybasketballafterschooleveryday???Yes,wedo./No,wedon't.疑问词+do+主语+动词原形+其它?Whatdoyoudoafterschooleveryday?第三人称单数主语+动词三单式(+其它)。Heswimswell.主语+doesn’t+动词原形(+其它)。Hedoesn’tswimwell.Does+主语+动词原形+其它。Doesheswimwell?Yes,hedoes./No,hedoesn't.疑问词+does+主语+动词原形+其它。Howdoesyourfathergotowork?第三人称单数的动词变化规则：（只有在第三人称(he,she,it,一个人名)为主语的肯定句中，动词才用三单式）(1)一般情况下，直接加srunsgetslikes(2)结尾是s,x,sh,ch,o,前为辅音字母，结尾加eswatches,goes,washes,crosses,mixes,does(3)动词末尾y，前为辅音，将y改为i加esstudy→studiesfly→flies但在y前如果为元音则直接加sbuyssaysplays(4)不规则变形have—has二、现在进行时现在进行时表示此时此刻或现阶段正在进行的动作。常与now,atthistime,thesedays,Listen!Look!atthismoment/time等词连用。肯定句否定句一般疑问句特殊疑问句现在进行时主语+be（am/is/are）+v-ing+其它Sheisplayinginthegarden.主语+be（am/is/are）+not+v-ing+其它SheisnotplayinginthegardenBe（is/am/are）+主语+v-ing+其它Issheplayinginthegarden?疑问词+be（am/is/are）+v-ing+其它Whatisshedoinginthegarden?动词加ing规则(1)直接在动词后加ing.going,starting,working.(2)去掉词尾不发音的e，再加ing.leave--leaving,make---making.注意：如果单词结尾的e发音，则不能去掉，也直接加ing.see–seeingagree-agreeing.(3)对于动词只有一个元音，而其后跟了一个辅音字母时，双写末尾辅音字母再加ing.sitting,beginningrun–runningstop–stoppingcut–cuttingcontrol–controlling（4）以ie结尾，把ie变y再加ing。如：lie–lyingdie–dyingtie–tyingpicnic-picnicking.三、一般将来时一般将来时表示将来发生的事。常与tomorrow,nextday/week/month/year...,soon,inafewminutes,thedayaftertomorrow,inthefuture等时间状语连用。Will/shall+动词原形；（shall用语第一人称）be(am/is/are)goingto+动词原形肯定句否定句一般疑问句特殊疑问句Will/shall+动词原形主语+will/shall+动词原形+其它成份shewillwritetohimnextweek.主语+will/shall+not+动词原形+其它成份Shewillnotwritetohimnextweek.will/shall+主语+动词原形+其它成份Willshewritetohimnextweek?疑问词+will/shall+主语+动词原形+其它成份whatwillshedonextweek?Begoingto+动词原形主语+be(am,is,are)goingto+动词原形+其它成份MysisterisgoingtolearnEnglishnextyear.主语+be（am，is，are）not＋goingto+动词原形+其它成份MysisterisnotgoingtolearnEnglishnextyear.Be(am/is/are)+主语+goingto+动词原型+其它成份…?IsyoursistergoingtolearnEnglishnextyear?疑问词+be(am/is/are)+主语+goingto+动词原型+其它成份…?Whatisyoursistergoingtodonextyear?四、一般过去时一般过去时表示过去某一时候或某一段时间所发生了的事情或存在的状态。常与过去时间yesterday，ago,thismorning，justnow，amomentago，lastnight/year/week/month，onceuponatime，theotherday，before，thedaybeforeyesterday,in1989,attheageoffive,oneday,then(那时),onthatday,inthepast连用。肯定句否定句一般疑问句特殊疑问句Be动词主语+was/were+其他I\he\she\it+waswe\you\they+wereShewasababytenyearsago.主语+was/were+not+其他Shewasnotababytenyearsago.Was/were+主语+其它Wassheababytenyearsago?疑问词+was/were+主语+其它Whowasababytenyearsago?行为动词主语+动词过去式+其它Hewenttoschoolyesterday.主语+didn’t+动词原形+其它Hedidn’tgotoschoolyesterday.Did+主语+动词原形+其它Didhegotoschoolyesterday?疑问词+did+主语+动词原形+其它Whatdidhedoyesterday?