知识点case用法及相关短语用法区别课件.ppt
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1、知识点,case,用法及相关,短语用法区别,case,用法及相关短语用法区别,【知识点解析】,一、,case,作名词的用法,1.case,有“情况、事实”之意。如:,Is it the case that you have lost all your money?,你的,钱全都损失了,是真的吗?,The police have a clear case against the prisoner.,警察,有充足的事实对付那个囚犯。,case,用法及相关短语用法区别,【知识点解析】,case,作此义时,常用于以下一些固定短语:,in that/this case,如果那样,/,这样(的话);在那种
2、,/,这种情况下,In that case,wed better hold a discussion about the,problem.,那样的话,我们最好对这一问题展开讨论。,He may not be back at six.In this case we wont wait for,him.,他可能六点钟回不来。要是这样,我们就不等他了。,case,用法及相关短语用法区别,【知识点解析】,in case of,如果,,万一,后接名词、代词或动名词。如:,Take a spare tyre along in case of need.,带只备用轮胎去,以,备不时之需。,Turn off
3、the TV set in case of thunderstorm.,在雷雨时,关上,电视机。,In case of fire,dial 119 at once.,如果发生火灾,立即拨打,119,。,而,in the case of,则是“就,来说”。如:,In the case of his health,it is fortunate for him to have,recovered from his illness like this.,case,用法及相关短语用法区别,【知识点解析】,就他的健康状况来说,能恢复到这样算是幸运的了。,Failure is no shame in th
4、e case of a scientist.,就科学家来说,失败并非羞耻事。,case,的这种用法,请看,2003,年的高考题:,The sign reads“In case of fire,break the glass and push,red button.”,A.,不填,;a B.,不填,;the,C.the;the D.a;a,答案:,B,case,用法及相关短语用法区别,【知识点解析】,in case,万一,,以防,如果,引导条件状语从句。,如:,In case he arrives before I get back,please ask him to wait.,万一我回来前他
5、先到了,请叫他等我。,Please remind me of it again tomorrow in case I forget.,请你明天再提醒我一下,免得我忘记。,注意:,in case,引出的条件从句所表示的意义是“预防,某种情况的出现”;如果从句说的是一般的假设或条,件,则要用,if,。请比较:,case,用法及相关短语用法区别,【知识点解析】,Ill tell him about the matter if I meet him.,(不用,in case,),Take an umbrella in case it rains.,(不用,if,),在上下文意义很明确时,有时可省去,i
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