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case是什么意思?case的正确用法

2020-4-29 16:04| 发布者: admin| 查看: 621| 评论: 0

摘要: in case的用法,归纳起来,主要有以下三种: 1. 用作连词,表示条件,其意为如果万一。如: In case you see him, ask him about it. 如果你见着他,问问他这事。 Tell me in case you get into difficulty. 遇到 ...

in case的用法揭秘

in case的用法,归纳起来,主要有以下三种:

1. 用作连词,表示条件,其意为“如果”“万一”。如:

In case you see him, ask him about it. 如果你见着他,问问他这事。

Tell me in case you get into difficulty. 遇到困难请告诉我。

If case I forget, please remind me about it. 万一我忘记,请请醒我一下。

2. 用作连词,表示目的,其意为“以防”“免得”。如:

I’ll take my raincoat in case it rains. 我将带上雨衣,以防下雨。

I shall sit up for a time, in case I’m wanted. 我暂时不睡以防需要我。

I bought the car at once in case he changed his mind. 我马上买下了那辆汽车,以免他变卦。

I don’t let him climb trees in case he tears his trousers. 我不让他爬树,以免撕破裤子。

in case的用法揭秘

3. 起副词作用,其意为“以防万一”。如:

You’d better carry some money in case. 你最好带些钱,以防万一。

The sun is shining, but I’ll take an umbrella just in case. 现在是晴天,但我还是带上雨伞以防万一。

The dog was chained, but I carried a stick in case. 狗是用链条锁住的,但我带着一根棍子以防万一。

in case 可以引导的状语从句,通常可以根据具体情况使用语境所需要的任何时态(常见的例外是,当从句表示将来意义时,通常用一般现在时表示将来意义)。如:

In case they’re late, we can always sit in the bar. 要是他们来晚了,我们总可以在酒吧里坐一坐。

We’ll have to watch the children in case they get too tired. 我们得照看着孩子,别让他们太累了。

He hardly dared breathe in case they heard him. 他几乎不敢呼吸,唯恐他们听到他的声音。

In case you haven’t figured it out, let me explain. 假如你还没弄明白,就让我来解释。

In case anyone was following me, I made an elaborate detour. 我拐弯绕了一大圈,以防有人跟踪我。

当句子表示将来意义时,在in case后面既可以用一般现在时,也可以用should / might+动词原形这样的虚拟语气。如:

In case it should rain, don’t expect me. 如果下雨的话,我就不来了。

Here’s a contact number, in case there should be a problem. 这是联系电话,万一有问题可以联系。

事实上,should / might+动词原形这样的虚拟语气不仅可用来表示将来意义的一般现在时,也可用于已发生的情况或过去情况。如:

I wrote down her address in case I should forget it. 我记下了她的住址,免得忘了。

I bought the car at once in case he changed [should change] his mind. 我马上买下那辆汽车,以免他变卦。

We’ve installed an extinguisher next to the cooker in case there should / might ever be a fire. 我们在炉灶旁边安装了一个灭火器,以防着火。

in case的用法揭秘

知识拓展:

in case 和in case of 什么意思`什么区别 精选

区别:

1、in case万一。是连词,引导条件状语从句。也就是说in case后面是一个完整的句子 。

例句:Take a hat with you in case the sun is very hot. 倘若太阳很利害,你就把帽子戴上。

2、in case of的of是介词,介词后面只能带名词性质的词,比如名词、代词等。意思和in case差不多,万一的意思

例句:In case of rain they can't go. 万一下雨,他们就不能去了。

in the case of,就...来说, 关于。意思跟上面两个不一样了。一般表示转而提及另一件事情。比如 In the case of women,they have more difficulty in their job。就女性来说,她们在工作中会遇到更多的困难。

in case的用法揭秘

 


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