剑桥少儿英语二级上Unit 12VIP免费

Hasyourschoolgotaswimmingpool?Hasyourschoolgotaplayground?Hasyourschoolgotacomputerroom?Hasyourschoolgotanartroom?Hasyourschoolgotamusicroom?Hasyourschoolgotashop?观察句子Hasyourschoolgotaswimmingpoor?Hasyourschoolgotaplayground?Hasyourschoolgotacomputerroom?Hasyourschoolgotaartroom?Hasyourschoolgotamusicroom?Hasyourschoolgotashop?观察句子Hasyourschoolgotaswimmingpoor?have/has过去分词现在完成时新的时态present(now)futurepast现在完成时(presentperfecttense)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现在完成时的时间状语常与①already,②never,③ever,④just,⑤yet,⑥since⑦uptonow,⑧sofar,⑨foralongtime⑩thesedays连用上一页下一页主菜单Ihaveeatenmylunch.Shehaseatenherlunch.Hehaseatenhislunch.肯定句Theyhaveeatentheirlunch.我/她/他/他们已经吃过午餐了。（have,eaten)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Lily和她妹妹已经去了公园了。Lilyandhersisterhavegonetothepark.我们的父母已经工作了两天了。Ourparentshaveworkedfortwohours.他们已经打扫了屋子。Theyhavecleanedthehouse.我们已经买了这些书了。Wehaveboughtthebooks.否定句：现在完成时Presentperfect句型havenot(haven’t)+过去分词hasnot(hasn’t)+过去分词Ihavenot(haven’t)seenthefilm.Shehasnot(hasn’t)seenthefilm.Ihaven’teatensupper.eat-eatenHehasn’tchangedhisidea.change-changedMymotherhasn’tcomebackhome.come-comeseenatiger•Haveyoueverseenatiger?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.flownakite•Haveyoueverflownakite?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.swuminariver•Haveyoueverswuminarver?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.hadadog•Haveyoueverhadadog?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.caughtamouse•Haveyouevercaughtamouse?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.eatenEnglishfood•HaveyouevereatenEnglishfood?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.boughtabike•Haveyoueverboughtabike?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.riddenahorse•Haveyoueverriddenahorse?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.beentotheGreatWall•HaveyoueverbeentotheGreatWall?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.sunganEnglishsong•HaveyoueversunganEnglishsong?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.readaHarryPotter•HaveyoueverreadaHarryPotter?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.hurtyourleg•Haveyoueverhurtyourleg?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.sentanemail•Haveyoueversentanemail?•Yes,Ihave.•No,Ihaven't.Ihave.Ihaven’t.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，_______haven’t（hasn’t）．”Haveyoueatenyourbreakfast?HaveyouknownSandyforalongtime?Yes,Ihave/No,Ihaven’t.Hassheeatenanythingsince9:00a.m.•Hasyourfamilygotacomputer?•No,ithasn't.•HasyourfamilygotaTV?•Yes,ithas.•Hasyourfamily...