初中人教新目标 (Go for it) 版Section A教学课件ppt

这是一份初中人教新目标 (Go for it) 版Section A教学课件ppt，共25页。PPT课件主要包含了现在完成时态，现在完成时，现在完成时的构成形式，到目前为止等内容，欢迎下载使用。
Winter has already cme.
The present perfect tense
2.过去某一时间点发生的动作持续 到现在或还将持续下去。
1.过去某一时间点发生的动作对现在产生影响。
I have learned English fr ten years.
We have visited yur schl befre.
He has lst his key t his bike.
He has lived in Lndn since ten years ag.
肯定句：主语+have/has +过去分词 They have seen the film.否定句：主语+have/has +nt+过去分词 They have nt seen the film.一般疑问句：Have/Has+主语+过去分词 Have they seen the film?
1.He has cleaned his rm. (变一般疑问句和否定句）
Has he cleaned his rm?
2. She has lived in Lndn fr fur years. (划线部分提问）
Hw lng has she lived in Lndn?
A: ______ yur brther ______ his hmewrk yet? (finish)B: Yes, he ‘s already dne it.
Has finished
already
注意：already 用于肯定句， yet 用于疑问句和否定句中
A: _______ yu ever _______ t the park? ( be )B: N, never.
Have been
注意： ever 曾经 用于疑问句中 never 从不 带有否定意义
I ______ just ________ the desk, yu can take it t yur classrm . (mend )
have mended
Just 刚刚 与现在完成时连用 一般置句中Just nw 刚才 与一般过去时连用
Tm ___________ in the factry since he left schl ten years ag. (wrk )
has wrked
since 后面接（时间点 ）过去时间或有一般过去时的句子
A: Hw lng ______ yu ________ in this schl? (teach )B: Fr 6 years.
have taught
We _______ nly ____________ 100 trees s far. (plant )
have planted
s far
befre
in the past 10 years
也可以是其他表示次数的词
in the last 10 years
He __________ a lt f gd things in his life. (d )
up t nw
in the past 10 years
in his life
I ____________ her lately. ( nt see )
haven’t seen
lately
I _________________ him recently. (nt hear frm )
haven’t heard frm
recently
He ___________ in this city ever since then. (live )
has lived
ever since then
He has gne t Shanghai.他(已经)去上海了。
He has been t Shanghai.他(曾经) 去过上海。
比较 have/has been t have/has gne t
He went t Shanghai last week.
他(曾经)到/去过上海 [在他人生中曾经有过这样的经历,但他人现在肯定不是在上海而是回来了]
他已经去上海了 [也许刚动身出发,也许已经到了,也许还在路上,反正他人不在这里]
上周他[做了一件事:那就是]去了上海
He has been t Shanghai.
He has gne t Shanghai.
He has been in Shanghai fr 10 years.
他呆在上海迄今为止已经10年了 [现在还在上海没有离开呢]
辨析这些句子由时态导致的含义上的差别
can yu distinguish?
去过常与ever, never,nce,twice,连用
在…与时间段连用用hw lng 提问
去了说话时某人不在只用于第三人称

Her sister _____________ Australia,She left this mrning.
A: Where is Bb ?B: He ____________ Japan with his sister.
A: I haven’t seen yu fr a lng time. Where _____ yu _____? B: I _____________ the United States.
have been t
have been
A: Hw lng ____ yu _______ China? B: I _________ here fr 3 years.
have been
have been in
A: _____ yu ever ________ the city ? B: N , never .
Have been t