《Section A Grammar focus 4a—4c》公开课PPT课件下载-德州市优质课

Yes, I did when I was little, but I haven’t played for a while now.

现在完成时用法（二）

某些动词的现在完成时可表示过去某一时间开始并一直持续到现在（包括“现在”在内）的动作或状态,可以和表示延续的时间状语连用。表示持续动作或状态的动词多是延续性动词。

常与（ ）连用

for 或 since

1. I have known Bob_____ three years.

2. I’ve been at this school _____ 1996.

3. She has taught us ____ I came to this school.

for

since

since

e.g. My uncle has worked at this factory for ten years.

= My uncle has worked at this factory since ten year ago.

I’ve?lived?here?since?1990．

自从1990年以来我就住在这里。??

I?haven’t?seen?him?for?three?years.

我三年没有看见他了。??

此种用法中表示持续性的动作或状态的

动词必须是延续性动词(否定句除外)。

1. 这本书我买了5年了。

I have bought the book for five years. ( )

I’ve had the book for five years. ( )

×

√

2. 你哥哥参军多长时间了？

How long has your brother joined the army? ( )

How long has your brother been in the army/been a soldier? ( )

×

√

瞬间动词