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问题 情态动词表示推测的疑惑

---Did Mary come?---I don’t know. She ________ while I was out.A. might come       B. might have come  C. could come    D. must have come老师，题目答案B，但是这题选 AC的话不能表达对过去的推测吗？是因为I don’t know的时态吗？

问题 英语句子成分问题

...mother's words:"Never talk to strangers."状：At that moment时态：一般过去时主：I谓：remembered宾：my mother's words同位语：Never talk to strangers.祈使句状：Never谓：talk to宾：strangers.

问题 there are sb doing中的doing 是什么成分

There were cows grazing beside the river.这种结构 grazing 是进行时态吗, were 提前了?

问题 一般现在时连用明确的过去时间

Thompson (1988) argues for the discourse basis for the distinction between attributive and predicative uses of adjectives.这个句子的时态有问题吗？前面括号里的1988表示时间吧？为什么还用一般现在时？

问题 have的现在进行时

...其他意思，就是“有”的意思，可为什么却用了现在进行时态？

问题 have been going to表达什么意思

I have been going to have finished the job by the time they arrive.这句话应该怎么理解呢?感觉have done加上be going to再加上have done时态和动作发生时间完全蒙了.

问题 It looked as if...的虚拟语气问题

请问It looked as if there would be an exciting race across the Channel.这句话不应该是过去的虚拟吗，那么时态不应该再提前变成would have been吗？

问题 it has been 时间 for doing something 的用法

...isiting L.A. for a week. they plan to see family and to visit old friends. since she moved away , I hadn't seen her in ages. I'm looking forward to meeting her new kids and seeing her again. 请问这里的this has been a month for seeing old friends 指的是see old friends 这件事...

问题 情态动词的时与体

情态动词是不是也有四个时态：现在时、将来时、过去时、过去将来时，而情态助动词表示的是主语关心的时间和助动词本身的含义。比如表示能力的情态助动词主语关心现在或者将来的时间就用can，而关心过去的时间和过去将...

问题 虚拟语气与陈述语气的混用

...han would have been the case if no one had cheated.请问这个句子中的时态如何理解？为什么是用 is 而不是用 would be：The score would be higher than would have been the case if no one had cheated.句子意思如何理解，如何翻译比较好？原句摘自剑桥英语语法(p...

问题 have to do sth可以用于过去完成时吗

have to 可以有多种时态用法，但可以用过去完成时吗？如果用过去完成时，那不是成了 had had to? 感觉好奇怪。

问题 翻译技巧(从句和短语的选用)

...子翻译是选用从句恰当还是短语较好，还是都可？此外，时态是否正确？谢谢老师。

问题 这manage to还是设法的意思吗?

They does more exercises than we manage to do.为什么主从句都是一般时态?  manage to还是设法做某事的意思吗?  理解为: 他们做的练习比我们设法要做的还要多(实际上我们还没有开始做) ,是这样吗? 

问题 词汇学的问题(conversion是屈折缺失还是派生缺失)

课本上说英语的三种常用构词过程之一是 conversion（转类法），它主要是屈折缺失的结果，可是屈折词缀一般都是表现复数、时态、式等的，按理说应该是派生缺失啊。

问题 should take one's leave还是might as well leave

1. Since it is already midnight, we _____ .A. had better leaving  B. might as well leave  C. should take our leave  D. ought to be leaving答案是B.请问老师们,C为什么是错的。1. (might as well：a. used to suggest that someone should do something, because there is no good reason to do...