...位老师此对话中:—I called you this morning, but nobody answered it.—Oh, we were doing some running in the park答句的谓语were doing可以改为完成时have done吗?因为现在完成时暗含着对现在造成影响的隐含含义,即正因为我们在公园跑步的这个影响...
...send you. When, however,
a relative pronoun is subject under analogous conditions, the conjunction that, which remained optional in [3], is
obligatorily absent in [3a].(Quirk名著P1298页)[3a] I will read the memo (which) Pat hopes will be sent to you. (括号的which可要可不要) 注意[3...
It is no less a person than the president.A dolphin is no less a clever animal than a dog.在这些句子中见到了限定词no后和冠词的搭配,觉得奇怪,因为在no such... 后一般直接跟名词,不用冠词的。为什么上面的那两个句子中却在no后有冠词呢?敬请...
...不能直接用一般将来时。如:If you don’t go, I will not go either. 你若不去,我也不去。When it gets warmer the snow will start to melt. 天气变暖时,雪开始融化。但有时从句可以用现在完成时,能请老师讲讲这方面的用法吗?
1. That was a fine meal if ever there was one!2. If ever there was a sign that football is taking off in America, this is it, says Mr Goldblatt.请问在 if ever 这个搭配中,ever 是什么意思?
当 as 用作介词表示“作为”时,它引出的介词短语的逻辑主语需要与句子主语保持一致吗?比如下面的句子符合语法吗?As a student, your work is to study hard.As a student, it is not polite to say that to your teacher.
填词题,只填一词,有没有大神可以帮助啊!Today, architects and engineers are far more closely linked than in the past; we are therefore ready to develop the idea that, because a castle was designed for a well protected home ( 6 ) _____ its occupants (7) _____qualities which we can r...