现在完成时详细讲解及配套练习（42张）

现在完成时 抄写动词以及过去式 1.be-- 2.come— 3.go-- 4.do— 5.have-- 6.drink— 7.give-- 8. eat– 9.know-- 10.make— 11.run-- 12.say— 13.see-- 14.find— 15.draw-- 16.get— 17.hear-- 18.begin— 19.buy-- 20.leave— was/were --been came--come went--gone did--done had-had drank--drunk gave--given ate--eaten knew--known made--made ran--run said--said saw-seen found--found drew--drawn got--got heard-heard began--begun bought--bought left--left 现在完成时 一.构成: have/ has + done (过去分词) 过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。 He has lived in Shenzhen for 4 years. Has he lived in Shenzhen for 4 years? Yes,he has. / No, he hasn’t . 用法: 1)现在完成时表示过去发生的动作,并对现在有影响。 Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just