剑桥少儿英语二级上unit12下.ppt

Unit12,Hasyourschoolgotaswimmingpool?,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,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hithithitputputputhurthurthurt,（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havehadhadsitsatsatsaysaidsaidsleepsleptsleptspellspeltspeltlearnlearntlearnt,（3）与动词的原型，过去式都不一致，即ABC型,过去分词的构成不规则,ABC,ABC,现在完成时Presentperfect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,否定句：,现在完成时Presentperfect句型,havenot(havent)+过去分词hasnot(hasnt)+过去分词,Ihavenot(havent)seenthefilm.,Shehasnot(hasnt)seenthefilm.,Ihaventeatensupper.eat-eatenHehasntchangedhisidea.change-changedMymotherhasne-come,一般疑问句：,现在完成时Presentperfect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）”,Haveyoueatenyourbreakfast?,HaveyouknownSandyforalongtime?,Yes,Ihave/No,Ihavent.,Hassheeatenanythingsince9:00a.m.,Haveyoueverseenatiger?,Haveyoueverflownakite?,Haveyoueverhadadog?,Nowturntopage69andfinishpart3,Yes,Ihave.No,Ihavent.,(1)根据图片。造现在完成时的一般疑问句。,（2）根据图片，写出现在完成时的肯定句。,Hasyourschoolgota_?,Yes,ithas./No,ithasnt.,lake,liberary,Computerroom,Hasyourfamilygota_?Yes,ithas./No.ithasnt.,现在完成时Presentperfect句型,特殊疑问句：,特殊疑问词+have/has+过去分词+其他,Whohascookedthedinner?,WherehasSusanlearnedEnglish?,Pairwork,Nowturntopage71andfinishpart6,Maryhasgotsomeholidayphotos.,Wheredoyouthinkshehasbeen?,hasbeento,意思是“到过，去过”，表示曾经到过某处，但现在人不在那儿。,BigBen,Hehasbeento,Wherehashebeen?,LondonEye,Shehasbeento,Wherehasshebeen?,LondonBridge,Hehasbeento,Wherehashebeen?,RiverThames,Shehasbeento,Wherehasshebeen?,CambridgeUniversity,Shehasbeento,Wherehasshebeen?,HassheeverbeentoNanjing?她曾去过南京吗？Youhaveneverbeenthere,haveyou?你以前从未去过那儿，是吗？IhavebeentoGuiling,Iwenttherelastyear.我去过桂林，我去年去的。ShehasgonetoNanjing.她已经去南京了。,上一页,下一页,主菜单,完成下列综合练习,Haveyoujustbeenhere?No,I_(plant)manytrees.Whyareyouplayingfootballhere?Hi,mum,I_(do)myhomework.Who_(win)thegame,TimorDan?Howmanysentences_he_(make)?5sentences.Myroomistidyandcleannow._you_(clean)yours?What_(they)_(buy)forthepicnic?,haveplanted,haswon,havedone,has,made,Have,cleaned,have,bought,1.Whenwillyoufinishreadingthatbook?I_(read)italready.2.Sam_(be)inChinasincelastyear.3.Amyisagoodfriendofmine.I_(know)herforalongtime.4.Mary_(live)withhergrandpanow.sheloveshimverymuch.5.Benisreadingthebook.He_(re