來源:網(wǎng)絡 作者: 2008-11-13 17:22:18
1. DO作為助動詞時的時態(tài)、人稱和數(shù)的變化與它作為本動詞相同,有do, does, did三種形式。
Yes, it seems he doesn't really want to have a haircut.
是啊,他好像不是真的想理發(fā)。
Then, why does he come here?
那他為什么來這里呢?
Where did he go when he left here?
他離開這兒去了哪了?
2. DO+主語+原形動詞構(gòu)成疑問句。
How long do I have to wait?
我得等多久?
3. DO+not+原形動詞構(gòu)成否定句。
No, I don't want to wait that long.
不行,我不能等那么久。
4. DO(+not)+主語用于附帶問句。
You want to have a haircut, don't you?
你想理發(fā),是嗎?
5. DO+原形動詞用于加強語氣句。
Yes, I do want to have a haircut.
是,我真的想理發(fā)。
6. Never (Only)+DO+主語+原形動詞用于倒裝句。
Never did I see such a strange man.
我從未見過這么奇怪的人。
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