1. 助動詞have+過去分詞構成完成時態。

I have never seen such a strange man.

我從未見過這么奇怪的人。

Yes, he has been here twice but hasn’t had his hair cut yet.

是啊，他來了兩次還沒把頭發理了。

He’s gone to your house.

他去你家了。

2. HAVE+賓語+過去分詞表示讓某事由某人做。

Can I have my hair cut now?

你現在可以給我理發嗎?

Oh, you haven’t had your hair cut yet.

噢，你還沒理發呀。

3. HAVE+賓語+原形不定詞表示請或讓某人做某事。

Or I can have my assistant help me do it.

或者我可以讓我的助手幫我來做。

4. have作為本動詞表示"有、擁有"的意思。

No, I don’t have much time.

不行，我沒那么多時間。

Oh, you still have many customers today.

噢，你今天還有很多顧客呀。