because ,because of ,since ,for的区别

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because ,because of ,since ,for的区别

because ,because of ,since ,for的区别
because ,because of ,since ,for的区别

because ,because of ,since ,for的区别
首先这4个词汇都可原因.
because表示原因最强烈,是连词,用在句首句中皆可.
because of 因为(某人/某事物);由于.表示原因强烈度和because相同,但这是一个介词词组,因此后面需接具有名词性质的人或物.
since因为;既然;由于.比because语气要弱,是大家已知的原因.如:Since it's raining,we'd better stay at home. 因为下雨,我们最好待在家里.
for相当于because of,但须放句中.如:He didn't answer for fear of hurting her.他没有回答是怕伤害她.

She is ill. She can't come 注意句子的合并:
1 As / Since she is ill, she can't come
2 She can't come because she is ill.
She can't come because of illness.
3 She can't come, for she is ill.
背出来吧,非常有用。