英语相似相近单词和短语辨析15

because 因为 是连词，其后接句子

例句：He didn come because he was ill in bed. 因为病了，他没来。

because of 是复合介词，其后接名词、代词、动名词、what从句等

例句：We have to put off the meeting because of the bad weather. 因为天气不好，我们不得不推迟会议。