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问题 关于until用法的疑惑

...语从句。主句谓语动词用延续性动词，那么主句是用什么时态，从句用什么时态呢？2.not until用于否定句，意为“直到……才”，引导时间状语从句。主句谓语动词用终止性动词，那么主句是用什么时态，从句用什么时态呢？

问题 as在句中的含义和前后句时态

We _____ at the house as we ______ of buying it.A. looked: were thinkingB. were looking; were thinkingC. were looking; thoughtD. looked; had thought本题正确答案是 B，请问老师 as 在本句中是否翻译成“当……的时候”，在我印象中，while 后面要用进行时，as 之...

问题 after引导时间状语从句的时态(一般过去时还是过去完成时)

老师您好，这里有个句子：When I was a teenager I often daydreamed that I was going to walk across the United States after I ______(graduate) from high school. 请问after后是该填过去式还是过去完成式。

问题 it is time后接从句时的时态问题

If you have really been studying English for so long, it's about time you ______ about to write letters in English.选项里有 should be 和 were，答案选了 were。这个句型不是用“should+动词原形”或者“动词过去式”都可以嘛？那为什么不选 should be呢？求解答...

问题 新概念3-10 时态的问题

...文都是用的一般过去时，这句里面were和would只是和全文的时态保持一致，所以用了一般过去和过去将来。还是有虚拟语态或者其他语法知识点而用的were和would？2.如果这里用一般现在时呢？Even if two of these are flooded, she will still be ...

问题 难句中的多个时态疑问

He mind would not stop thinking about what happened only just an our ago on the soccer field. How could he have missed scoring that goal? He had let his whole team down.His team had lost the game because of him.我的疑问：1. would 在这此的用法，是过去将来时吗？2. could have missed...

问题 date from与date back to所连用的时态和语态问题

date from 与 date back to 这两个短语只能用一般现在时，不能用于被动和进行时。可是我看见过 dating from 这种形式为什么呢？前面是一个名词，后面不能用 dated back 为什么？谢谢

问题 much the wiser 理解困惑？

I don't know that Watson and I are much the wiser since we came down.上句中的the是副词吗？是否可省略？即...I are much wiser since we came down. ?

问题 should be done/should have been done 时态差异存疑

He  should have been given (should give) more responsibility when he was youger.should have done 表示本该做的没做请问老师，这里能否填 should be given？在他年幼时，他应该被给予更多的责任？为什么？

问题 一道时态题(涉及现在完成时和一般过去时)

I was going to visit my friend in Tianjin, but I ________ TO GO ABROAD FOR OUR SUMMER HOLIDAY WITH MY PARENTS NOW.A. have decided       B. had decided       C. would decide       D. decided 答案为A，为什么用完成时，不用D 呢？谢谢!!

问题 辞书质疑(36)： 质疑徐广联主编《当代高级英语语法》中的一句时态

下面的截图来自徐广联主编《当代高级英语语法》p1347。一般认为，It was the first time that...后面应该用过去完成时，但可以用一般过去时吗？ 我的理解是：It was the first time that...后面用一般过去时，在阅读中可能会见到，但出...

问题 有关一个句子的and前逗号及它里面出现的不同时态

On Saturday afternoon the phone rang. I was still in bed , and had to force myself to roll over, pick it up and mutter hello.  这个句子为什么and前面加了逗号，并且pick和mutter用的是原型，请问这是什么用法？

问题 时态的运用 过去时和过去完成时

老师好，       请看下面一段话，这段话被我修改过了，但是我不确定里面过去完成时和过去时的正确性，请老师指教      Peru’s culture ministry says the cat wasn’t seen before because it’s on a very steep hill. The picture had almost disappeared ...

问题 两个时态问题

1.Our new English teacher, who is said to have moved back to China, ___A___ in America for almost ten years.A．livedB．has livedC．was livingD．had lived请问这题为什么不选D呢，老师已经回来了，说明待在美国是发生在过去的过去，而且for+一段时间，为什么不...

问题 直接引语中的when were you born在间接引语中用什么时态

例句如下：The policeman asked the thief, “when were you born?”The policeman asked the thief when he / she was born.转为间接引语后为何不是when he / she had been born(变为过去完成时)？