If you’re bored, it’s probably because you’re not challenging yourself to tackle the problems right under your nose.句中you’re not challenging的进行时态,是视作将来时态,还是进行时态?这样的句型如何甄别它们?
it can be predicted,however,that from time to time questions will arise which will require specific scientific answers.在这句话中,先行词questions和从句which will... 被谓语词组will arise 分割,请问这种语法现象正常吗?
...sh.com/question/42525Mikee 老师说:1)It's a pity that he should refuse to accept the offer.2)It's a pity that he should have refused to accept the offer.should+do/have done 表示已经发生的事情。我的困惑是:以上3位老师(章振邦,Donna, Mikee)讲述的should +动词原形...