用 in case that造句

一、考点说明

对in case的考查,通常会将其与其他用法相似的结构结合在一起综合考查。同学们在做这类题时,关键的是要能正确理解各个选项的意思,然后结合题干所给定的上下文语境进行综合理解,最后选出一个意思最恰当的选项。如:

1. I always take something to read when I go to the doctor’s _________I have to wait. (全国卷)

A. in case B. so that

C. in order D. as if

【解的】答案选A。比较四个选项:in case 意为“以防”,so that 意为“以便”,in order 意为“目的是为了”,as if 意为“好像”。根据语境,只有填空in case句子意思才通顺。in case 在此题中用作连用,用以引导目的状语从句。

2. —It’s cloudy outside. Please take an umbrella.

—_________. (湖南卷)

A. Yes, take it easy

B. Well, it just depends

C. OK, just in case

D. All right, you’re welcome

【解析】答案选C。take it easy的意思是“不要急”“慢慢来”,it just depends的意思是“那要看情况”,just in case的意思是“以防万一”,you’re welcome的意思是“不用客气”。根据对话情景,显然只有选C才符合上下文语境。in case 在此起副词作用,用作状语。

有时显然不是直接考查in case的用法,但可能用它来进行干扰。如:

3. How can you expect to learn anything _________ you never listen? (山东卷)

A. in case B. even if

C. unless D. when

【解析】根据句意,答案选D。when在此表示“既然”。

4. I’d like to arrive 20 minutes early _________I can have time for a cup of tea. (北京卷)

A. as soon as B. as a result

C. in case D. so that

【解析】根据句意,答案选D。so that 在此意为“以便”“为了”。

二、复习要点

01

掌握三种用法

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 hi//www.58yuanyou.comm 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。

(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 umbrel//www.58yuanyou.comla 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。

2

注意in case 后从句的时态

(1) 原则上说,若主句为现在时态,则从句也用现在时态;主句为过去时态,从句也用过去时态。如:

I awww.58yuanyou.comlways keep candles in the house in case there is a power cut.

我家里常备有蜡烛,以防断电。

I wrote down her address in case I forgot it.

我记下了她的住址,免得忘了。

He wasn’t going to use his car in case somebody recognized it.

他不打算用自己的汽车,因为怕有人认出他的车。

(2) 有时从句也可用“should+动词原形”这样的虚拟语气(不管主句为现在时态还是过去时态)。如:

I don’t let him go out in this weather in case he should catch cold.

我不让他这种天气出去以防他会感冒。

I’ve bought a chicken in case your friend should stay to lunch.

我买了一只鸡,免得你的朋友万一留下来吃午饭没菜。

(3) 注意,当主句为将来时态时,从句谓语不能用将来时态,而要用一般现在时表示将来意义。如:

I’ll keep a seat for you in case you change your mind.

我给你留一个座位,以防你会改变主意。

3

不要混淆in case 与in case of

in case 可用作连词和副词,而in cas原由网e of 用作介词。如:

In case of fire, ring the bell.

如发生火灾,请按铃。

The wall was built along the river in case of floods.

沿江筑了堤坝以防有洪水。

有时两者可以互相转换。如:

In case I’m not here, ask my brother to help you.=In case of my not being here, ask my brother to help you.

如果我不在,可让我弟弟帮助你。

4

弄清in case与if的区别

注意下面两个句子在意思上的不同:

I’ll come tomorrow in case Ann wants me.

明天我要来,以备安找我。

I’ll come tomorrow if Ann wants me.

如果安找我,我明天就来。

但是,介词短语 in case of…与 if原由网 there is…的意思却相同。如:

In case of accident phone 999.=If there is an accident phone 999.

如果发生事故,请拨电话999。

用 in case that造句

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