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本人编写的《字母、音素和音标》一书,已由中国海洋大学出版社出版,我还编有《初中学业水平考试英语中考全攻略》、《武曾平六步教学法之新课标七、八、九年级英语全突破》(六三制)四本(其中,8年级分上下册)、《武曾平六步教学法之六、七、八、九年级英语全突破》(五四制)四本,还编有一本《英文圆体字字帖》。一本《新课标初中英语中考语法》正在编写中。快快乐乐学英语,学好英语更快乐!

由中考试题看so...that,too...to 和enough to的转换  

2008-04-22 17:48:09|  分类: 近义词区别 |  标签: |举报 |字号 订阅

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由中考试题看so...that,too...to enough to的转换

 

so...thattoo...toenough to是初中英语教材中的重要结构。在一定条件下它们可以相互转换,并经常成为中考热点,请看下面三道中考试题:

1The water was so dirty that we couldn't drink it

The water was ____ dirty for us ____ drink.(2001上海市)

2The child is so young that he can't put on his clothes

The child isn't ____ ____ ____ put on his clothes.('99四川宜宾)

3The problem is too difficult for me to work out

The problem isn't ____ ____ ____ for me to work out.(2001重庆市)

由分析可知答案为:1tooto 2old enough to 3easy enough

那么在什么情况下三者可以相互转换呢?根据其结构特点我们可以看出:

一、so...thattoo...to的转换

that引导的从句为否定式时,从句主语与主语的主语相同时,so...that可转换为too...to结构;若从句主语与主句的主语不相同时,so...that可转换为too...for sbto结构。例如:

He is so young that he can't go to school→ He is too young to go to school

The box is so heavy thathe can'tliftit→The box is too heavy for him to lift

二、so...thatenough to的转换

1.当that引导的从句为肯定式时,若从句主语与主句主语相同时,so...that可转换为 enough to结构;若从句主语与主句主语不相同时,so...that可转换为enough for sbto结构。例如:

Tom is so old that he can go to school→Tom is old enough to go to school

The box is so light that the child can liftit→The box is light enough for the child to lift

2.当that引导的从句为否定式时,若从句主语与主句主语相同时,so...that可转换为enough to的否定结构;若从句主语与主句主语不相同时,so...that可转换为 enough for sbto的否定结构。注意:转换后的形容词(副词)要用其相应的反义词。例如:

The man is so old that he can't go to work→The man isn't young enough to go to work

The desk is so heavy that I can't moveit→The desk isn't light enough for me to move

三、enough to的句式为否定式时,enough to可以转换为too...to结构。但转换后的too...to结构中的形容词(副词)要用其相应的反义词。例如:

He is not old enough to do the job→He is too young to do the job

Tom didn't walk slowly enough for us to keep up with him→Tom walked too fast for us to keep up with him

 

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