as 和 for 做“因为”讲时的用法区别?

问题描述:

as 和 for 做“因为”讲时的用法区别?

as和for都有“因为”的意思.但是as比for的语气弱.as用来表示显而易见的原因,而for却有一种解释说明的语气. 例:as it is raining,we have to call of the meeting. please forgive him,for he is only 13 years old....