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現(xiàn)在完成時的用法

1. 表示過去發(fā)生的動作對現(xiàn)在所造成的影響或表示從過去某一時刻開始一直延續(xù)到現(xiàn)在的動作或狀態(tài)。如：

I have finished my work. 我的工作干完了。

Luckily, I have read the book before. 幸好我以前看過這本書。

I have almost finished the book. 這本書我?guī)缀跻呀?jīng)看完了。

And because of that, we have come to see you. 因此我們就來找你了。

We have used both written and aural material. 我們使用了書面和聽的材料。

She has been away on a long trip. 她離家作長途旅行去了。

He has behaved very badly to you. 他待你很不好(from www.hz123456.com)。

The storm has lasted for three hours. 暴雨已經(jīng)持續(xù)了三個鐘頭了。

2. 經(jīng)常與現(xiàn)在完成時連用的狀語或結(jié)構(gòu)有 already, just, so far, in the last [past] few years, it is the first time that, for five years, since 1980 等。如：

I've known her for a long time. 我認識她很長時間了。

I've already posted your letters. 我已把你的信發(fā)掉了。

So far there has been no bad news. 到現(xiàn)在為止還沒有壞消息。

Since then, he has developed another bad habit. 自那以后，它養(yǎng)成了另一種環(huán)習慣。

注：現(xiàn)在完成時不與具體的過去時間狀語或 when 連用。