in case用法小结.pdf

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1、in casein case 用法小结用法小结原题如下:1。John may phone tonightI dont want to go out _ he phones（NMET 2000，春季）Aas long as Bin order thatCin caseDso that2 I should stay in the hotel all day _ there is news of the missing child NMET 2000 上海春季)Ain caseBno matterCin any case Deven since3I dont think Ill need any m

2、oney but Ill bring some _ （NMET 2000）Aat lastBin caseConce again Din time以上三题答案尽管相同，但in case 在三题中的词义和语法职能并不一样,其用法使人困惑。今不揣浅陋，将以上三种用法以及与 in case 相关的几个短语用法，一并试予介绍和讨论。拙文拟分两个部分，先介绍各个短语的词义并列举实例；再讨论各个短语用法特点、同项用法的区别以及可转换为其他句型的用法。（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“

3、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 jour

4、ney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 ho

5、me 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

6、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 electricityoff 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 hav

7、ent 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

8、in case of floods沿河筑起防护墙，以防洪水。You should keep a firstaid 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

9、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。In case of 和 for fear of 的用法区别1.作“提防”，“惟恐”这个意思讲，in case of 和 for fear of 是同义词,但

10、不一定能通用：in caseof 只能用来引导名词,for fear of 多半引导动名词短语。例如:In case of fire，break the bottle。如果发生火灾，请把瓶打破。I always put some money in my pocket in case of need.我总是要在口袋里放一点钱以备需用。2.短语 in case 是个连接语，作“假如”、“万一讲.例如:And now Hercules began to consider what he should do，in case Atlas should be drownedin the sea.Youd

11、better take an umbrella with you in case it rains.3.同 if 不一样，用作连词引导条件句时，in case 这个短语通常用于陈述句，不用虚拟语气，而且意思也不一样。例如:In case I ask for leave，will she agree?如果我请假，她会答应吗？If I were to ask for leave，would he agree?如果我请假，他会答应吗？4.即使主句是将来时态，由in case 引导的从句，仍然使用现在时态.例如：In case the weather is fine tomorrow,we shall

12、 hold a meeting。如果明天天气好的话，我们将召开一次会议.Henry will resign in case you drive him too hard.如果你欺人太甚的话,亨利就会辞职不干.5。作“以防来讲，in case 相当于 for fear that，并可以通用。例如:I wrote it down in case/for fear that I should forget it。我已把它抄下了，免得忘记。I must stay at home this morning in case/for fear that he comes to see me。我今天上午必须呆在家里,恐怕他会来看我。6.In case 这个短语,英美英语中的意思有时候并不相同。例如：I will come in case I am wanted.我会来的，因为也许有人要找我。（英式英语）I will come in case I am wanted.我会来的,只要有人找我。（美式英语）