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1、 一般现在时 四大原则动词三单形式变化1. 一般直接在动词后加_2. 以s/x/o/sh/ch结尾的动词，直接加_3.以辅音加y结尾的动词，变_为_再加_4.特殊变化，have-_(注意：只有当主语是she/he/it/人名单数/名词单数时，动词才要变化为三单形式。“does” 一出现，动词就还原。） 练 习1.写出下列动词的三单形式drink _ go _ stay _ fly _ have_ pass _ carry_ study _ watch_ plant _ brush _ teach_ 2. 请用括号内动词的正确形式填空She often _(have) dinner at hom
2、e.He_(go) to school from Monday to Friday.The girl often _(do) her homework at 6:30.Bob often_(cook) lunch at 12:00.The cat _(eat) fish everyday.Lily and Lucy_(go) to school every week.The dogs_(play)on the floor everyday.We _(walk) back after work everyday.3. 请根据短文内容，选择正确的答案。Every morning Mr.Smith
3、_1_at 6:30.He_2_ his teeth and _3_some bread and milk.After _4_breakfast,he_5_ to his office.Every Sunday,Mr.Smith_6_very late.He doesnt _7_his teeth and _8_his breakfast.He_9_shopping to _10_his dog some sausages and nice toys. 1. get up gets up 2.brush brushes 3.have has 4.has having 5.go goes 6.get up gets up7.brush brushes 8.have has9.go goes 10.buy buys