rainbaobao1116
He's ill, so he isn't here today.He's not here today, because he's ill.He's not here because of his illness today.仅供参考，望能帮助到你，呵呵！
sy2009Jason
综述如下：
用so造句：He was ill, so he wasn't here today
用because of造句因为because of后面接名词或名词性词组
所以：He wasn't here today because of his illness；
用because造句：because后面接句子
所以：Because he was ill, he wasn't here today.
词语使用变化：because
conj.（连词）
1、because的基本意思是“因为”，强调直接造成某种结果的理由和原因，所引导的原因状语从句多置于主句之后，有时为了强调，也可置于主句之前，并用逗号与句子的其他部分隔开。
2、because还可用来引导让步状语从句，这时，通常用于否定句或疑问句中。
3、because有时还可引导表语从句。
栤菊粅雨
因为他生病了,今天不在这【He was ill, so he wasn't here today.】【Because he was ill, he wasn't here today.】【He wasn't here today because of his illness.】
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