现在完成时1讲解课件.pptVIP

上一页现在完成时下一页主菜单

初步了解现在完成时主菜单上一页下一页1、现在完成时的构成3、现在完成时的用法12、现在完成时的时间状语

上一页下一页1.Ihavejustclosedthedoor.2.Hehasalreadyhadbreakfast.3.Wehavealreadybegunourclass.4.Wehaveknowneachotherbefore.主菜单Lookandthink

现在完成时的构成主菜单上一页下一页have/has+过去分词注：have/has是助动词

现在完成时的时间状语1already已经2before以前3just刚刚注：already常用于肯定句中.yet常用于否认句,疑问句尾.上一页下一页

上一页下一页1.Ihavejustclosedthedoor.2.Hehasalreadyhadbreakfast.3.Wehavealreadybegunourclass.4.Wehaveknowneachotherbefore.主菜单变成否认句Ihaven’tjustclosedthedoor.Hehasn’thadbreakfastyet.Wehaven’tbegunourclassyet.Wehaven’tknowneachotherbefore.

上一页下一页1.Ihavejustclosedthedoor.2.Hehasalreadyhadbreakfast.3.Wehavealreadybegunourclass.4.Wehaveknowneachotherbefore.主菜单变成一般疑问句Haveyoujustclosedthedoor?Hashehadbreakfastyet?HaveWebegunourclassyet?HaveWeknowneachotherbefore?

现在完成时的主要用法上一页下一页1.Ihavejustclosedthedoor.Thedoorisn’topennow.主菜单动作发生在过去；2.Hehasalreadyhadbreakfast.Heisn’thungrynow.对现在造成的影响或结果。

规那么动词的过去分词workvisitaskplayworkedvisitedaskedplayedlikedlivedlikelivecarriedworriedtriedcriedcarryworrytrycrystopdropplanpreferstoppeddroppedplannedpreferred抢答环节、重复

〔一〕ABC型:eatateeatenseesawseen不规那么动词的过去分词〔二〕ABB型:buildbuiltbuiltwinwonwon〔三〕AAB型:beatbeatbeaten〔四〕ABA型:becomebecamebecome〔五〕AAA型:putputputreadreadread

上一页现在完成时练习主菜单

按要求改变句子1.Shehasdoneherhomework.(改否认句)2.Shehasalreadytoldusthenews.(改否认句)3.Therainhasalreadystopped.(改一般疑问句)4.HehaslivedinShangHai.(划线提问)5.Theyhaveboughtanewcar,______?(反义疑问句)Shehasn’tdoneherhomework.Shehasn’ttoldusthenewsyet.Hastherainstoppedyet?haven’ttheyWherehashelived?

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