it was +since
it was +since
it is ...since it was...before 一定是过去式吗?
It's weeks since I was ill.It's weeks since I fell ill.
什么时候用It was+一段时间 +since,什么时候用It is +一段时间+since?
It was ten years since I left my hometown.改错
It was +时间段+since 从句 从句应该用什么时态
It's three years since he was married .的翻译
How long has it been since this company was established?
since 急it was ten years since i had left my hometown.leave是终
It was said that it was the fifth _____ earthquake since 190
解释两个句子It was five years since I lerned English.和It was five
it was 时间when it was 时间before it was 时间since 这几个句型有什么区别