英语时态的问题疑惑They have stayed at home last nigh.last night能跟现在完成时连用吗?为什么?

英语时态的问题疑惑They have stayed at home last nigh.last night能跟现在完成时连用吗?为什么? 英语高手帮我看看这句话的时态吧,总觉得有问题,谢谢!While in some countries people’s basic supply and nutritious needs have been met, they began to pursue better health. 英语时态问题疑惑Don't worry yourself.Nothing_______.A,has been happenedB,have happenedC,took placeD,has happened到底现在哪个?尤其是CD答案有何区别 英语时态问题：They _____(live) there all their lives.用哪一种时态?为什么? 小菜英语问题今天看新感念的时候碰到一个问题很疑惑.is this shirt tim's?这句话可以改成 is this tim's shirt what have they been doing 是什么时态 英语方面的疑惑 英语日记时态问题,急在日记中,我说他们很可爱,是They were so lovely还是They are so lovely,还有and 两边的时态要一致吗? 解析英语时态问题He would have said just the same as he had .时态的问题“would have said”与“he had”不知道我说的是否明白, 考研英语的疑惑 回答的有耐心我一定加分哦 呵Outside directors are supposed to serve as helpful,yet less biased,advisers on a firm‘s board.Having made their wealth and their reputations elsewhere,they presumably have enough indepen 询问下虚拟语气的问题If they didn't leave,they wouldn't be able to catch the train.这是一个真实条件句,但是对于时态的使用我一直很疑惑,为什么这里条件句用did而不用do,主句用would而不用will?请详细解 怎样区别英语时态问题 .初中英语的时态问题 ,有关时态的问题 how they have changed their minds remains a question 的时态 现在完成时 The headmaster said that they would have another library built.的时态和语态 They ______(have) in Beijing for 5 years.用现完还是现完进的时态 英语从句的时态问题啊,我不懂主句与从句的时态关系,