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however的用法

作者: admin来源: 网络文章 时间: 2014-03-25

1. 表示“在……期间”,是介词,不要将其误用作连词。如:

他在巴黎期间,与他的朋友住在一起。

误: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 均可表示一段时间,但两者有差别。

(1) during 通常表示事件发生在何时(when),而for则表示事件持续了多长时间(how long)。如:

He was in hospital for six weeks during the summer. 他在夏天住了 6 个星期的医院。

(2) 两者之后均可接由 the whole 引起的时间短语,但通常不能接由 all 引起的时间短语。如:

他整个夏天都住在那儿。

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

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

(3) 在“数词+时间名词”之前以及在some time, a long time之类表示泛指一段时间的词组之前,可用介词 for,但不用 during。如:

He lived here for ten years (for some time). 他在这儿住过 10 年(一段时间)。

3. during与in均可表示“时间点”,有时可互换。如:

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

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

但在使用时还有以下几点要注意:

(1) 比较而言,during 更强调时间的延续,in 只是指一般性的某一时间。因此若表示状态或习惯性动作,多用during,否则以用in为常见。如:

Many people suffered hardship during the war. 许多人在战争期间受苦遭难。

He was injured in the war. 他在战争期间受了伤。

(2) 在stay, visit, meal等表示行为要持续一段时间的名词之前,只能用during 而不能用in。如:

The phone rang during the meal. 吃饭时电话铃响了。

I went to see my aunt during my stay in Beijing. 在北京逗留期间,我去看了我的姑妈。

(3) 与季节名词连用,in表泛指,during表特指。如:

In summer we often camp in the forest. 夏天我们常在森林里露营。(泛指)

During the summer we camped in the forest. 今年夏天我们在森林里露营。(特指)

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