文档介绍：关于现在完成时 (2)
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He is full .
He has had a big breakfast.
。
功能：
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I have learned English for ten years
到现在或还将持续下去。
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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）
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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?
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3. He has been to China, ____ ____?
（写出反义疑问句部分）
hasn’t he
4. They have come back from work.
(写否定句）
They haven’t come back from work.
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What are the key words for the Present Perfect Tense?
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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
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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
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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
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