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问题 must能否用于将来时？

孩子培训班老师讲，must只能用在一般现在时，其它时态应该用have to代替。如过去时用had to，一般将来时用will have to。但今天做练习册时，我却发现一道题： 用情态动词填空： --Must I return the book tomorrow? --No, You _______. 句...

问题 部分倒装句有疑问语气存在吗

我们知道，部分倒装是把构成时态的助动词或一些情态动词提前构成部分倒装，可是这也和一般疑问句的构成相同，那我想问问专家老师，倒装句有表示疑问的意识吗？谢谢Not until yesterday did little John change his mind.上面可翻成这...

问题 哪些介词可以后接哪些副词作宾语？

...ough, under, up 等。2 常接时间副词作介宾的介词和副词有：since：可后接 lately, recently, then, today, yesterdaytill/until: 可后接 lately, recently, now, then, today, tomorrow, tonight, yesterday, after, afterwards, later, soon等after/by/from: 可后接 now, then, today, tom...

问题 today可以与一般过去时连用吗

today属于现在时间，它一般都是与现在时态连用的。比如Today is a rest day. 今天是休息日。How are you feeling today? 你今天身体好吗?I’ve walked ten miles today. 我今天走了10英里路。请问，它可以与一般过去时连用吗？

问题 这里的动词Be是什么用法呢？

It is only been(这里是is been 表被动吗？怎么理解？) a year, but please try not to grieve. 摘自:Chicken Soup for the Soul–Rose 另外为什么表达:一天正在结束 Today is ending. 而不能说 Today is being over.(这里也是进行时态呀？不知道为什么不行？)

问题 be filled with的用法

...别be filled with和be full of的区别。be filled with中的be用什么时态？be filled with中的be用一般现在时还是一般过去时？be filled with中的be指什么？is filled with和was filled with的区别，什么时候用is filled with，什么时候用was filled with？

问题 be using现在分词还是动名词

What comes next is using different words to say what we have just said and written. 问题：is using 是现在分词表示进行时态？还是using different words to say what we have just said and written 这个是动名词短语作为表语？谢谢！

问题 完成时含义分析

... next music director has been the talk of the classical-music world ever since the sudden announcement of his appointment in 2009. For the most part, the response has been favorable, to say the least. 曹老师您好，以下是您给出的对状态与静态动词的定义：如果一个动词...

问题 定语从句中现在完成时和过去完成时

•We received on February 7 the xx goods that we have ordered, but …该句定语从句中的时态用现在完成时是否正确？可否改成：•We have received the xx goods that we ordered on February 7. but … 

问题 虚拟语气由直接引语变为间接引语如何处理

Tom said, “If I were you, I would do the same.”请问老师这句话改间接引语，时态该怎么转变？ 从句一般过去时是否变为过去完成时 had been done? 主句 would do 属过去将来时，这个该如何转变？是否有特定的规则？

问题 convince的非谓语动词选择题

这道题是否选D?非谓语也有时态变化，后边是过去式，前面是否应该为having been convin: ________that I was right, I went on with the proposal. A. After I concvinved B. After convincing C. Convincing D. Convinced

问题 关于定语从句关系词选择的疑问

...缺少，则用that，非限中只用as3.It is+序数词+time+that+完成时态这一句型中，一定只能用that.请教各位老师，是这样的吗？

问题 if discovered in time 句子理解问题

Cancer can be cured if discovered in time.在这个if句子中，discovered究竟是过去时态，还是被动省略了？ 也就是这个句子补全应该是，if ancer was discovered in time  还是 if we discovered cancer in time ??

问题 never什么情况下用一般现在时和现在完成时

学习现在完成时的时候，老师说never出现，句子用现在完成时。请问各位老师，never到底应该用什么时态？怎么区别？

问题 现在完成时和一般现在时辨析？

...n interested in birding.And I've been seriously birding, keeping track since 2002.Also, when you start out and everything feels new.我一直对观鸟感兴趣。我从2002年开始，就把它当作一件严肃的事情来做。此外，当你刚开始观鸟的时候，一切都是新东西。...