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《现在完成时态 Section A Grammar》教学课件10-八年级下册新目标英语【人教版】
展开不同时间发生的动作,动词要用不同形式
1.v原形 2. v三单
am/is/are+v-ing
1.will/shall+v原形2.am/is/are ging t +v原形
1.v-ed(规则动词)2.不规则动词
was/were+v-ing
1.She wrks in a factry.2.I was ding my hmewrk at this time are ging t have a picnic this held a sprts meeting last yu helping yur mther .
1.过去发生的动作对现在造成的影响或结果。
2.过去已经开始,持续到现在的动作或状态
had breakfast
I have just had my breakfast.
I’m nt hungry nw
mved herethree years ag
I still live here
I have lived here fr three years.
I have lived here since three years ag.
haven’thasn’t
Have yu……?Has he……?
构成: have / has + v 过去分词
I haven’t finished my hmewrk.
Have yu finished yur hmewrk?Yes, I have. / N, I haven’t.
I have finished my hmewrk.
2、概念:(1)表示过去或已经完成的某一动作对现在 成的影响或结果。常与下列状语连用:already, just, yet, ever, never, befre (2)表示过去已经发生,持续到现在的动作或状态,可以和表示从过去某一时刻延续到现在(包括“现在”在内)的 一段时间的状语连用。 a.fr和表示一段时间的词组连用。 如:fr 3 years b.since和表示过去某一时刻的词或词组连用。 如:since 1997, since tw years ag,since last week
“仍然,还 ” 用在疑问句和否定句中。I haven’t read this bk yet .Have yu had breakfast yet ?
“已经”通常用于肯定句中。 I have already psted the letter.有时,也用在疑问句中表示惊讶。 Have yu eaten up all the fd already ?
“从来不” 用在否定句中。Is he famus? I have never heard f him.
“曾经”通常用于疑问句和肯定句中。 I have ever seen this film.Have yu ever been t the USA ?
“以前”用在完成时中,放在句尾。Ihave never read this kind f bks befre.
“刚刚 ”用在陈述句中。 I have just bught a nvel.
1.规则动词2.不规则动词
finish--finished--finishedlive--lived--livedcarry--carried--carriedstp—stpped--stpped
g—went—gnesee---saw—seenfrget—frgt--frgtten
since and fr
The wman has wrked at this schl fr 2 years. ( since tw years ag)
since 2 years ag
since 1998;
since she came t the schl
用fr和since填空。
______three hurs______three ’clck______tw days______yesterday afternn______I came here______last Sunday
_______a week_______a lng time_______1997 ______tw weeks_______three years ag _______ last mnth
比较现在完成时和过去时的区别:*现在完成时所表示的是过去的行动所早成 的现在的情况。*一般过去时表示的是过去发生的事实。
现在完成时不能和确定的过去时间状语连用,如:yesterday, last year, in 1976,tw days ag, just nw…但可以和一些不确定的时间状语连用,也可和包括现在在内的时间状语连用,如:
already, yet, befre, lately,recently, nce, twice, ever, never…1)She has already cme.2)I haven’t read it yet.
*g\cme\leave\die等词语表示的动作是一时的,不能延续,不能与fr、since等表示一段时间的词连用,如不能说:He has gne fr tw mnths.(F)但可以说:He has been away fr 2mnths.
1. 她成为一名护士已经三年了。2. 我五年前就认识李雷了。3. 那些相片我已经寄给他了。(pst)4. 我来到这个学校后,他就一直教我。5. 我刚丢了我的历史书。
She has been a nurse fr three years.
I have knwn Lilei since five years ag.
I have already psted the phts t him.
He has taught me since I came t the schl.
I have just lst my histry bk.
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