2014年英语高一必修一知识点Unit5-6
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1. The reason why he could not go there was that his grades were too low. 他没能上电影学院是因为他的分数太低了。
该句巾的why引导一个定语从句,而that引导表语从句。
1. 句中that引导的表语从句说明主语reason的具体内容,往往被看作是固定句型:The reason is / was that clause. 当主语是reason / cause时,一般不能用because或why引导表语从句,以免造成语意重复。当主语是This / That时,可以由because / why引导表语从句。例如:One reason is that people traveled to America from all European countries.
【考例】(NMET 1999)
-- I drove to Zhuhai for the air show last week.
-- Is that ____ you had a few days off?
A. why B. when C. what D. where
[考查目标] 表语从句。
[答案与解析]A 句子的意思是“那就是你请了几天假的原因吗?”因此可知答案为why。
2. why在句中是关系副词,引导定语从句,修饰先行词reason,同时它在定语从句中作状语,此时why = for which,但要注意:关系词在定语从句中作主语或宾语时,要用关系代词that或which。
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