职称英语综合类考试:in case的用法
一)in case作短语连词,能引导状语从句。就其词义和语法职能来分,可引导两种从句。
其一:in case /just in case引导目的状语从句作“以免,以备,以防”等解。如:
He takes a torch in case it gets dark before he returns.
他带了手电筒,以备天黑以后回家之用。
Ive bought a chicken in case your mother stays to lunch.
我买来一只童子鸡,以备你妈妈留下吃午饭。
I decided to stay at home just in case my friends came round.
我决定留在家里,以防朋友们不期而至。
Ill make some sandwiches in case you feel hungry on the journey.
我会做些三明治,免得你在旅途中饿着。
Buy one of his paintings now,in case they get more expensive.
现在就买下他的一幅画,以防他的画涨价。
You must be quiet in case the fish are frightened. 其二:in case接条件从句,意为“如果、万一”。如:
In case we fail,we wont lose heart.万一我们失败,我们决不会失去信心。
Add more coal in case the weather is cold.如果天气冷,就添些煤吧。
In case you get home before I do,could you start preparing dinner?
如果你在我之前到家,你能不能动手做饭?
In case theyre 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。
In case you were thinking Id lend any money,Ill tell you now—I wont.
如果你以往认为我总是借钱给你,这回对你说明白:我不借。
Little Melanie,in case youve forgot- ten,hasnt forgiven you.
如果你忘记了,小梅兰妮是不会原谅你的。
(二)in case作副词性短语,常置于句末,表示事先准备或预防的措施,作“以防万一”解。如:
She ought to be there in case.他应在那儿等着,以防万一。
I will keep some of these unused in case.我要保留一些不用,以备急需。
“I dont think theres any danger,”said the electrician,“but youd better switch the electricity off in case.”电工说,“我看没啥危险,不过你最好关上电闸,以防万一。”
Im sure they havent forgotten but lets send them a reminder just in case.
我相信他们不会忘记,不过为防止万一,还是给他们发一封催促函吧。
The bus is usually on time,but start early,just in case.
那班汽车通常是准点的,但你还是早点动身,以防万一。
(三)in case of是短语介词,后接名词、动名词等。它带的短语置于句末常看作目的状语,作“以免,以防”解(A);置于句首常视为条件状语,作“如果,万一”解(B)。但位置不是绝对的。如:
(A)The wall was built along the river in case of floods.沿河筑起防护墙,以防洪水。
You should keep a first-aid kit in the car in case of accident.
你应该在车里放一套急救用品,以备意外事故需用。
Many shops along the route have boarded up in case of trouble.
这条干道上沿途有许多商店都用木板钉上,(遮拦住玻璃门窗),以防止受到骚扰。
In case of rain I have an umbrella.我带了把雨伞以防下雨。
In case of need,I can make a trip to Boston.如有急事,我可以去趟波士顿。
In case of difficulty,you can reach me at this number.
如果有困难,你可以拨这个电话号码找我。
In case of my absence,some one will take my place.如果我不到,将有别人代替。
In case of my not being there,ask my brother to help you.
万一我不在那里,让我弟弟来帮助你。