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 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 saidsleep 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, 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 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 seen 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.,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 .,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 havent .,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 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.Has 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,