.句子成分之状语的具体讲解（四）原因状语导读：原因状语解释了主语的动作或者状态。 1. 介词短语做状语2. 形容词做状语3. 分词做状语 4. 状语从句（区分了 because, since, for, as的用法）1. 介词短语做原因状语： because of , due to, on the account of, owing to, as a result of 等词可以引导原因状语，后面需要接：名词（词组），代词， 动名词。（接名词）Newton discovered gravity due to an apple. 牛顿因为一个苹果发现了万有引力。（接名词词组）He cant forget the past because of the old days with his wife. 他忘不掉过去是因为忘不掉和他妻子一起度过的陈年往事。（接代词）My mom disagreed with my decision. As a result of this, I changed my major.
