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1、一般现在时谓语动词的构成形式:主语是第一,二人称及第三人称复数时,用动词原形。主语是第三人称单数时,动词加-s,–es,-ies.用法:1.表示经常性,习惯性的动作及现在的状态,特征,喜好,真理。常与often,always,usually,everymonth等时间状语连用。2.表示状态和感觉的动词如:be,like,hate,think,remember,find,sound,feel,look,taste,smell.3.一些动词用于表示按计划,规定要发生的动作如:begin,start,come,leave,go,arrive,stop,return,
2、open,close4.在时间,条件状语从句中表示一般将来时。基础练习:用所给动词的适当形式填空1.He__________(go)toschooleveryday.2.She___________(look)veryhappy.3.Theboyoften____________(carry)aheavybag.4.Maryalways____________(watch)TVatnoon.5.Thetrain_________(leave)atnine.6.Thestories__________(sound)interesting.7.Ifyou(come
3、)thisafternoon,we’llhaveameeting.8.WhenI__________(graduate),I’llgotothecountryside.9.Theearth__________(move)aroundthesun.10.They___________(canswim)inthesea.11.Boys___________(be)alwaystallerthangirls.一般过去时谓语动词的构成形式:一律用动词的过去式(有规则及不规则之分)规则:1.–ed:如:worked,opened,started2.–d:如:decide
4、d,used,liked3.双写最后一个辅音字母在加ed如:stopped,planned,preferred4.辅音字母加y结尾的,改y为i再加ed如:carry改为carried,study5.元音字母加y结尾的,无须改,直接加ed如:stayed,不规则:熟记。如:run,come,go,leave,teach,eat,drink,get,do,be,have,steal等。用法:发生在过去的动作,存在的状态,反复发生的动作。只是对过去的动作的简单描述,过去发生,过去结束。不强调过程,只强调过去的结果。基础练习:用所给动词的适当形式填空1.He_____
5、______(break)hiscup.2.I__________(see)himinthestreet.3.Myfather___________(work)and________(study)here30yearsago.4.They____________(arrive)inthecitylastweek.5.Thegirl___________(be)bornin1995.6.He_______(live)inShanghaifortenyears,butnowheworksinShishi.7.Theboy________(make)manymist
6、akes,which(make)hismotherveryangry.现在进行时,过去进行时,将来进行时谓语动词的构成形式:现在进行时:am,is,are+doing(现在分词)过去进行时:was,were+doing(现在分词)将来进行时:willbe+doing现在分词的构成:1.直接加ing如:going,staying,carrying,stealing2.去e(词尾不发音)加ing如:come:coming,arrive,leave3.闭音节,双写词尾辅音字母加ing如:stopping,running,beginning,sitting,prefe
7、rring4.不存在改y为i的现象:saying,staying用法:现在进行时:表示现在(说话时)动作正在进行。过去进行时:过去某一时刻,某一阶段动作正在进行.将来进行时:过去某一时刻,某一阶段动作正在进行.基础练习:用所给动词的适当形式填空1.They______________(talk)aboutthefilmnow.2.Thestudents______________(have)aclassmeetingatthemoment.3.I_______________(watch)afootballgameinthefieldwhenhecamein.
8、4.He_______________