Since then he was been doing the work.怎么译?用的是什么时态?
Since then he was been doing the work.怎么译?用的是什么时态?
﹙1﹚Since then he▁﹙work﹚at this factory 一定要用现在完成时态?since只能用用现
since then用什么时态
what have u been doing的been是什么时态?
have been doing是什么时态?
had been doing是什么时态
had been doing 是什么时态?
Julian has been in the music business since he was 19这句话的语法,
I have been sick since yesterday.中have been 是什么是时态为什么要用been.
he has been in the army since he was sixteen.这个句子是正确的吗?不是连续动
He was then praised for what he had done.这句是什么时态,
had been doing是什么是时态?