(3) …reason(s) why从句　……的原因

　　如：He fell from a tall tree. That‘s why he hurt his leg.＝ He hurt his leg. That’s because he fell from a tall tree.＝ The reason why he hurt his leg was that he fell from a tall

　　tree. 【注意事项】 …reason(s) why从句中，why在定语从句中等同于for which，作状语。在实际应用中，如果reason在从句中作主语或宾语，引导词则使用that, which(作宾语时可省略)。如果后跟名词或动名词，则需要用介词for。如： 第12讲 │ 句型透视

　　I don't know the reason why he was late for school. ＝I don't know the reason for his being late for school. 我不知道他上课迟到的原因。 Tell me some reasons why you don't like my work. 你不喜欢我的工作，能说出一些理由吗？ Is it the reason (that) you want to show us? 那就是你想解释给我们的原因吗？ 【相关拓展】 for this/that reason因为这个/那个原因 for some reason

　　因为某种原因 by reason of

　　由于，因为 with/without reason

　　有/没有道理 第12讲 │ 句型透视

　　【活学活用】 (1) Is that the reason ________ at the meeting for his failure?

　　A．why he explained B．he explained

　　C．for which he explained

　　D．he explained it (2) He gave up his plan. ________ he had no confidence and courage at that time.

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