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1、Unit 12,Has your school got a swimming pool ?,Has your school got a swimming pool?,Has your school got a playground?,Has your school got a computer room?,Has your school got an art room?,Has your school got a music room?,Has your school got a shop?,观察句子,Has your school got a swimming poor?,Has your
2、school got a playground?,Has your school got a computer room?,Has your school got a art room?,Has your school got a music room?,Has your school got a shop?,观察句子,Has your school got a swimming poor?,have/has,过去分词,现在完成时,新的时态,present(now),future,past,表示到现在为止已经完成或刚刚完成的动作。,现在完成时,have/ has +过去分词,句子结构,过去分词
3、的构成规则变化,1.直接加-ed。如：play-played2.以字母e结尾的直接加d 。如：name-named3.以辅音字母加y结尾的，变y为i加ed。如：carry-carried4.重读闭音节且末尾只有一个辅音字母，双写这个辅音字母再加-ed。如：stop-stopped,（1）与动词的原型，过去式一致，即AAA型如：,过去分词的构成不规则,原形 过去式 过去分词 hit hit hitput put puthurt hurt hurt,（2）与动词的过去式一致，即ABB型,过去分词的构成不规则,原形 过去式 过去分词 have had hadsit sat satsay said s
4、aidsleep slept sleptspell spelt spelt learn learnt learnt,现在完成时的时间状语,常与already, never, ever, just, yet, since up to now, so far, for a long time these days连用,上一页,下一页,主菜单,I have eaten my lunch.,She has eaten her lunch.,He has eaten his lunch.,肯定句,They have eaten their lunch.,我/她/他/他们 已经吃过午餐了。,（have,
5、eaten),现在完成时 Present perfect 句型,现在完成时的肯定句式是 “have（has）过去分词”。 注意： 该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。,1.肯定句,Lily 和她妹妹已经去了公园了。,Lily and her sister have gone to the park.,我们的父母已经工作了两天了。,Our parents have worked for two hours.,他们已经打扫了屋子。,They have cleaned the house.,我们已经买了这些书了。,We have bought the
6、books.,否定句：,现在完成时 Present perfect 句型,have not (havent) +过去分词 has not (hasnt) +过去分词,I have not (havent) seen the film.,She has not (hasnt) seen the film.,I havent eaten supper. eat-eaten He hasnt changed his idea. change-changed My mother hasnt come back home. come-come,seen a tiger,Have you ever see
7、n a tiger? Yes, I have.No, I havent.,I have . I havent .,flown a kite,Have you ever flown a kite? Yes, I have. No, I havent.,I have . I havent .,swum in a river,Have you ever swum in a rver? Yes, I have. No, I havent.,I have . I havent .,had a dog,Have you ever had a dog? Yes, I have. No, I havent.,
8、I have . I havent .,caught a mouse,Have you ever caught a mouse? Yes, I have. No, I havent.,I have . I havent .,eaten English food,Have you ever eaten English food? Yes, I have. No, I havent.,I have . I havent .,bought a bike,Have you ever bought a bike? Yes, I have. No, I havent.,I have . I havent
9、.,ridden a horse,Have you ever ridden a horse? Yes, I have. No, I havent.,I have . I havent .,been to the Great Wall,Have you ever been to the Great Wall? Yes, I have. No, I havent.,I have . I havent .,sung an English song,Have you ever sung an English song? Yes, I have. No, I havent.,I have . I hav
10、ent .,read a Harry Potter,Have you ever read a Harry Potter? Yes, I have. No, I havent.,I have . I havent .,hurt your leg,Have you ever hurt your leg? Yes, I have. No, I havent.,I have . I havent .,sent an email,Have you ever sent an email ? Yes, I have. No, I havent.,I have . I havent .,一般疑问句：,现在完成
11、时 Present perfect 句型,现在完成时的一般疑问句式是把助动词have或has提到主语之前。,肯定回答 Yes，_have/has.,否定回答： “No，_havent（hasnt）”,Have you eaten your breakfast?,Have you known Sandy for a long time?,Yes, I have/ No, I havent.,Has she eaten anything since 9:00 a.m.,Has your family got a computer? No, it hasnt. Has your family got
12、 a TV? Yes, it has.,Has your family got a car？ No, it hasnt.Has your family got a bike？ Yes, it has.,Has your family got a camera? No, it hasnt.Has your family got a piano? Yes, it has.Has your family got a guitar? No, it hasnt./ Yes, it has.,Has your family got a radio? No, it hasnt./ Yes, it has.H
13、as your family got a video-camera? No, it hasnt./ Yes, it has.,现在完成时 Present perfect 句型,特殊疑问句：,特殊疑问词 +have/has+过去分词+其他,Who has cooked the dinner?,Where has Susan learned English?,A: Has your school got a swimming pool? B: Yes, It has. It s got an indoor swimming pool. It has got an indoor swimming pool.现在完成时 定义：表示到目前为止已经完成，并对现在留下某种后果和影响的动作。 结构：have/ has（助动词） + 动词的过去分词,
