2012初中英语语法复习现在完成时课件.ppt

The present perfect tense
现在完成时
He is full .
He has had a big breakfast.
。
功能:
I have learned English for ten years
。
基本结构
The present perfect tense
have / has + done
助动词(可以帮助构成肯定、疑问和否定句)
has cleaned his room.
(写一个一般疑问句)
Has he cleaned his room?
2. She has lived in London
for four years. (划线部分提问)
How long has she lived in London?
3. He has been to China, ____ ____?
(写出反义疑问句部分)
hasn’t he
4. They e back from work.
(写否定句)
They haven’e back from work.
What are the key words for the Present Perfect Tense?
A: ______ your brother ______ his homework yet? (finish)
B: Yes, he ‘s already done it.
Key words
Has finished
yet
already
注意:already 用于肯定句,
yet 用于疑问句和否定句中
A: _______ you ever _______ to the park? ( be )
B: No, never.
Key words
Have been
yet
already
ever
never
注意: ever 曾经用于疑问句中
never 从不带有否定意义
I ______ just ________ the desk, you can take it to your classroom . (mend )
Key words
have mended
yet
ever
never
just
already
Just 刚刚与现在完成时连用一般置句中
Just now 刚才与一般过去时连用