现在完成时PPT

这是一个关于现在完成时PPT的思维导图，现在完成时（Present perfect）是英语语法中的一种时态，它表示过去发生并且已经完成的动作对现在造成的影响或后果，以及过去某一时间开始并一直持续到现在的动作或状态。

现在完成时 PPT

三个定义

影响

过去的动作对现在的影响（好的/不好的影响）

e.g:I have had breakfast.

持续

过去的动作持续到现在

e.g:I have learned English for six years.

几次

某个动作已经做过了几次

e.g:Ihave done the English homework for three times.

四个句型

肯定句

Sb. have/has(现在完成时标志性词语) done(过去分词)...

e.g:I have done my homework.

否定句

Sb. haven't/hasn't done...

e.g:I haven't had my breakfast.

一般疑问句

Have/Has sb done...

Yes,I have./No I,haven't.

e.g:Have you done the dinner?Yes,I have./No I,haven't.

特殊疑问句

特殊疑问词＋have/has sb done...

e.g:What have you done?

N个时间标志词

1.just 2.since 3.for 4.ever 5.recently 6.over the years 7.before 8.never 9.up to now 10.already 11.so far 12.yet

Since VS For

Since

＋从句(一般过去时）

e.g:I have learned English since I was six.

＋时间＋ago

e.g:I have learned English since six years ago

＋时间点

e.g:I have learned English since 2024

For

+一段时间

e.g:Ihave learned English for six years

拓展

gone VS been

have/has been to+s.p+次数 （去了已回）

have/has been in s.p+一段时间 （去了多久）

have/has gone to s.p （去了未回）

over the years = in the past few years = over the past few years

It's years since we last met.=It has been years since we last met.

短动作变长动作

SPT VS PPT

结构

was/were/v.ed

have/has+done

助动词

did

have/has

时间标志词

1.ago 2.last 3.testerday...

1.just 2.since 3.for...