It's years since l enjoy myself so much.since可否换成before?
问题描述：
It's years since l enjoy myself so much.since可否换成before?
就像it's not long before
答
不能换.原句enjoy应该是过去时吧?since引导的句子可以看做是一个时间点,it's years=It's been years,从since引导的句子所发生的时间开始,已经过好几年了.其实意思就是我已经好几年没开心过了.但是,相似的结构里befor...