until用完成时还是一般时?还是都能用

until用完成时还是一般时?还是都能用 until recently+过去时还是完成时? not until 后面用什么时态?1.I didn't watch tv until__________(finish) my homework last weekend2.-Shall we go to the park now?-Not until I________(finish)my homework.用完成时和一般式有神马区别? We _______(鼓掌)the musician many times in the concert.用完成时还是过去时? 时间状语含during用什么时态?是用完成时还是过去式? not until加完成时还是一般时例如：Not until now ___ how serious the pollution is.填“do we realize”还是“have we realized”希望给一些解释 谢谢 For so many years 后面要用完成时态么?还是什么时态都可以? She just had a baby.是过去式吗?She just had a baby.这句话是过去式吗?请问有just出现,一般是用过去式吗?还是要用完成时? he was just going to leave the restaurant until another traveler came in.不是求翻译,而是里面用WHEN 与UNTIL哪个比较合适?当需要做单选之时,应选WHEN还是UNTIL比较适合此句?选UNTIL前面能用过去进行时吗,似乎不 not until一定要用完成时态么 He lived in London until 1999.这个句子可以用完成进行时吗?即：He had been living in London until 1999. Don't get off the bus until it has stopped.为什么until后面用完成时 不是主将从现吗 关于not…until…句型的一些问题这个句型是不是只能用非延续性动词?还是延续性或非延续性都可以? 求极限两个重要公式到底是X趋于0还是无穷时用还是都能用 I don't think you should do that until ____another jobyou've found为什么用完成时?怎么分析的? He ________just ________ (cross) the street when he hit by a car.是用完成时还是过去进行时? in the past two years,we got along perfectly well.该用完成时还是过去时 一道动词填空题It_____(be) ten years since he_____(come) here.应该用完成时还是过去完成时?