1、首先，because的词性：连词。
2、because：conj.因为派生词：prep. because of
3、because:表因为，强调直接造成某种结果的理由和原因。
4、例句用法：He failed to arrive at the station on time because the traffic is busy.因为路上交通拥挤，他没能准时赶到车站。
5、It is because he is honest that we like him.正是因为他诚实，我们才喜欢他。
6、because of 后接名词或代词引导从句。
7、例句用法：Manyfam坡纠课柩iliesbreakupbecauseofalackofmoney .许多家庭由于缺钱而破裂。It is because of his sickness.这是因为他生病了。