助動詞do可以用來:
1.構成疑問句:
Does he know Chinese?
他懂漢語嗎?
How do you like the weather here?
你覺得這里的天氣如何?
Did you go by train or by plane?
你是坐火車還是坐飛機去的?
She likes the food,doesn't she?
她喜歡這個菜,對吧?
2.構成否定句:
Don't bother to answer the letter.
不要煩你回信了。
We don't see much of each other.
我們不常見面。
He doesn't care for fish.
他不愛吃魚。
I didn't know you were here.
我不知道你在這兒。
3.表示前面所說動作,以避免重復:
-Do you work together?
-Yes.we do.
-你們在一起工作嗎?
-是的。(我們在一起工作。)
You don't want to be late.Neither does she.
你不想遲到,她也不想遲到。
You're doing better than you did last term
你這學期比上學期表現(xiàn)好。
I said he would fail,and he did.
我說他會失敗,他真的失敗了。
4.加強語氣(起強調(diào)作用):
I do think you’re right.
我確實認為你是對的。
She does feel that way.
她確實有這種感覺。
She did say that.
她確實這樣說的。
Do be careful.
千萬小心。
5. do在更多情況下用作實意動詞,用法很靈活,可表示許多意思,如:
Martin has done an excellent article.
馬丁寫了一篇精彩的文章。
He has done a portrait of Lilly.
他畫了一張麗麗的畫像。
We are doing the dishes.
我們在洗碗。
Have you done your teeth?
你刷牙了嗎?
He has done Horace into English verse.
他把荷雷斯的作品譯成了英文詩。