初中英语Unit 3 Language in use示范课课件ppt

这是一份初中英语Unit 3 Language in use示范课课件ppt，共14页。PPT课件主要包含了按要求完成下列句子，has等内容，欢迎下载使用。
Have yu ever wn any prizes befre?I haven’t travelled much.They have been t many interesting places.
现在完成时表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响或结果(这种影响或结果现在还存在)。
Betty has been t the park befre.
I have lst my wallet.
过去去过公园，并且了解公园状况
过去丢了钱包，并且现在没钱花了
现在完成时还可以表示一个过去发生的动作并未在过去完成，而是一直持续到现在，并且有可能继续下去。
We have been busy this afternn.
The temperature has stayed ht this week.
过去到现在一直在忙，并且可能继续忙
过去到现在一直热，并且可能继续热
1. 肯定句式: 主语+have / has+动词过去分词+其他.
I have wrked here fr ten years.
He has seen this film three times.
We have wn the ftball game.
2. 否定句式: 主语+have / has + nt + 动词过去分词+其他.have nt 和has nt 分别缩写为haven’t和hasn’t。
I have nt/ haven’t wrked here fr ten years.
He has nt/ hasn’t seen this film three times.
3.一般疑问句式: Have / Has+主语+动词过去分词+其他?
Have yu wrked here fr ten years?
Has he seen this film three times?
现在完成时的一般疑问句肯定答语: Yes, 主语+have/has. 否定答语: N, 主语+haven’t/hasn’t.
— Have yu had tw classes this mrning?— Yes, we have.
— Has Tm lived in China fr five mnths?— N, he hasn’t.
1. I have traveled by train.(改为否定句) I _____ ____ traveled by train.2. Tm has ever tried Chinese fd.(改为一般疑问句，并作出肯定回答)— ____ Tm ever _____ Chinese fd? —Yes, he ____.
Has tried
(1) 一般在词尾加-ed。wrk→ wrked ask→ asked (2) 以e结尾的动词，词尾加-d。live→ lived hpe→ hped(3)辅音字母+y结尾的动词，将y变为 i再加-ed。cry → cried marry → married (4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-ed。stp → stpped plan→ planned
find→ fundhave→ hadmake→ madelet→ let put→ put
be → been  d → dne eat→ eaten g→ gne see→ seen
We haven’t had any truble s far.
I haven’t seen her since last week.
He has been away fr tw years.
与现在完成时连用的常用词语：副词just, already, yet, befre, ever, recently 等；since+过去时间(时间状语从句)s far（到目前为止）up t nw（到现在为止）fr+时间段等
1. I have already _______ (see) the film. I saw it last week.2. I have _________(make) quite a few friends here.3. Have yu _______(be) t Beijing?4. He has already__________ (pst) the pht.
用正确的过去分词完成下列句子
seen
psted