2022年中考复习现在完成时课件

这是一份2022年中考复习现在完成时课件，共18页。PPT课件主要包含了past ，future ，now ，现在完成时构成，我去过北京，Tom 打碎了玻璃，for + 时间段，since+时间点，for，since等内容，欢迎下载使用。
现在完成时的用法
1.表示过去发生的动作或事情对现在的影响和产生的结果,它强调的是过去的动作同现在的联系。
I have lst my pen. (目前还没找到）
He has just had lunch . (刚刚吃过，不想在吃)
2.表示动作发生在过去，一直持续到现在，也许还要继续下去。
Alice has learnt English fr 3 years.
Alice 已经学习英语 长达三年了。
1.肯定句 主语+have/has+过去分词
Tm has brken the windw.
I have been t Beijing.
2.否定句 主语+have/has nt+过去分词
I haven’t been t Beijing.
have nt =haven’t
has nt=hasn’t
Tm hasn’t brken the windw.
3.一般疑问句 Have/Has+主语+ 过去分词?
Have yu been t Beijing?
Yes,主语 have/has./N,主语 haven’t/hasn’t.
Has Tm brken the windw？
Yes,I have./N,I haven’t.
Yes,he has./N,he hasn’t.
4.特殊疑问句 特殊疑问词+一般疑问句.
Where have yu been ?
动词过去分词 (pp)变化规则
规则动词：与过去式变化相同。(1) 一般+-ed wrk---wrked---wrked(2) 以“ e ”结尾, + - d 。 live---lived ---lived(3) “辅音字母 + y” 结尾，y 变 i, + -ed。 cry---cried---cried(4) 重读闭音节结尾(辅元辅)，双写后+-ed 。 drp---drpped--drpped
I haven’t read this bk yet .
Have yu had breakfast yet ?
already“已经”通常用于肯定句中,放在句中。
I have already read this bk.
She has already finished her hmewrk.
yet “已经，仍然，还 ” 用在疑问句和否定句中，放在句末。
ever“曾经” 通常用于疑问句,放在句中。
never“从来不”,放在句中,表示否定。
Is he famus ? I have never heard f him.
She has never been t Canada.
Have yu ever been t the USA ?
just“刚刚 ”用在陈述句中,放在句中。
I have just bught a nvel.
She has just had dinner.
befre“以前”用在完成时中，放在句末。
Ｉhave never read this kind f bks befre.
Have yu been t Shanghai befre?
现在完成时since and fr
The yung teacher has wrked at this schl fr 2 years.( since tw years ag).
这个年轻老师在这个学校工作两年了。
fr 2 yearsfr a lng time
since 2 years agsince 1998since she came t the schl
用fr和since填空。
______three hurs______three ’clck______tw days______I came here______last Sunday
_______a week_______a lng time_______1997 ______tw weeks_______three years ag
现在完成时中需注意的地方：
注意1：句子中有明显的过去时间标志时，不能用现在完成时错误： she has read the bk last night.正确： she read the bk last night.
I _____ my watch in my bedrm yesterday.A. left B. frgtC. have frgttenD. have left
have been t 与 have gne t
have been t表示曾经去过某地，现在人已经回来。Lily has been t Shanghai twice.(Lily现在在家)have gne t表示去了某地，人还在某地没有回来。Lily has gne t Shanghai.(Lily现在人在上海。)
（ ）2.Miss Green isn't in the ffice . she_______ t the library .　Ａ.has gne Ｂ. went Ｃ.will g Ｄ. has been
（ ）1.—Culd yu g t the park with me this afternn? —Srry, I _______ there. I went there yesterday. A. have gne B. have been C. went D. was