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during用什麽時態

現在完成時,during+時間,表示在某段時間裏,常用作現在完成時態的時間狀語。現在完成時態常接時間狀語:如so far,by now,up to(till)now,for,since,in the past few…,during the last few…等。We have planted more than two thousand trees by now。

1. 表示“在……期間”,是介詞,不要將其誤用作連詞。如:

他在巴黎期間,與他的朋友住在壹起。

誤:During he was in Paris, he lived with his friends.

正:While he was in Paris, he lived with his friends.

正:During his stay in Paris, he lived with his friends.

2. during 和 for 均可表示壹段時間,但兩者有差別。

(1) during 通常表示事件發生在何時(when),而for則表示事件持續了多長時間(how long)。如:

He was in hospital for six weeks during the summer. 他在夏天住了 6 個星期的醫院。

(2) 兩者之後均可接由 the whole 引起的時間短語,但通常不能接由 all 引起的時間短語。如:

他整個夏天都住在那兒。

正:He stayed there for [during] the whole summer.

誤:He stayed there for [during] all the summer.

(3) 在“數詞+時間名詞”之前以及在some time, a long time之類表示泛指壹段時間的詞組之前,可用介詞 for,但不用 during。如:

He lived here for ten years (for some time). 他在這兒住過 10 年(壹段時間)。

3. during與in均可表示“時間點”,有時可互換。如:

I'll be on holiday in [during] August. 我將在8月度假。

He woke up three times in [during] the night. 夜裏他醒了 3 次。