yet作为连词表转折时和but有什么区别?并且请给出相应的例句.

Question

如题所述

Answer 1

yet一般是用在完成时的
but则没有The teacher speak quickly but very clearly.
but不会放在句末,语气较强,与前面说的情况相反.
yet一般放在句末,用于否定句.指不管作出多大努力,仍达不到预期的结果.
I tried hard to work out the problem,yet I failed.

Answer 2

答疑解惑（131）so和because 例句