请问because,as,since.三个单词用于原因条件状语从句有什么区别
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请问because,as,since.三个单词用于原因条件状语从句有什么区别
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![请问because,as,since.三个单词用于原因条件状语从句有什么区别](/uploads/image/z/1360083-3-3.jpg?t=%E8%AF%B7%E9%97%AEbecause%2Cas%2Csince.%E4%B8%89%E4%B8%AA%E5%8D%95%E8%AF%8D%E7%94%A8%E4%BA%8E%E5%8E%9F%E5%9B%A0%E6%9D%A1%E4%BB%B6%E7%8A%B6%E8%AF%AD%E4%BB%8E%E5%8F%A5%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB)
He was busy,so he didn't come.
可以变成以下句型:
1 As / since he was busy,he didn't come ------从句在前面.
2 He didn't come because he was busy -------从句在后面.
3 He didn't come,for he was busy -------从属句在后面,用逗号隔开.
这就是你想知道的区别.
可以变成以下句型:
1 As / since he was busy,he didn't come ------从句在前面.
2 He didn't come because he was busy -------从句在后面.
3 He didn't come,for he was busy -------从属句在后面,用逗号隔开.
这就是你想知道的区别.
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