1、“因为”的英语是：because，音标：[bɪ'kɒz]，按音标读；
2、“所以”的英语是：So，音标：[səʊ]，按音标读。
1、because双语例句：
The boy was always late because it took so long to get dressed.
这个男孩因花太长时间穿衣服总是迟到。
I can't do it now because I am busy.
因为我正忙着，现在不能做此事。
I do that because I like that.
我那样做是因为我愿意那样做。
2、So双语例句：
I felt I was not well, so I didn't go to the party.
我感到有点不舒服，所以我没去参加聚会。
She enjoys music, and so do I.
她喜欢音乐，我也喜欢音乐。
I said I would come, and so I will.
我说过我要来的，而且我一定会来的。