have

have

單字

學習摘要

•
have 當助動詞時,後面接過去分詞,組成現在完成式:have + p.p.
•
完成式表示事情已經做完,或從過去一直持續到現在。
•
主詞是第三人稱單數用 has:She has finished.
•
否定是 haven't、hasn't;問句把 have 放到句首。

基本資訊

have
aux.
/hæv/
主要意義:
已經(完成式)

詞形變化

第三人稱單數

has

He has already left.
他已經走了。
過去式

had

I had never seen snow before that trip.
那次旅行之前,我從沒看過雪。

例句

I have finished my homework.
我已經寫完作業了。
She has lived in Kaohsiung since she was five.
她從五歲起就住在高雄。
Have you ever been to Japan?
你去過日本嗎?
We haven't eaten lunch yet.
我們還沒吃午餐。

其他意義

(had + 過去分詞)過去完成式,表示在過去某個時間之前已經發生
When I got to the station, the train had left.
我到車站時,火車已經開走了。

常見錯誤

✗
I have finish my homework.
✓
I have finished my homework.
have 後面要接過去分詞。
✗
He have gone home.
✓
He has gone home.
主詞是第三人稱單數要用 has。
✗
I have seen that movie yesterday.
✓
I saw that movie yesterday.
有 yesterday 這種明確的過去時間,要用過去式,不用完成式。
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