If you were to have asked me, I would have been only too willing to
help，这里的were to have done是表示过去虚拟等于had done那么要么改成are to have done那么他表示的是现在还是将来了，他还算是虚拟吗
In France,there once lived a man named Louis Pasteur,who was a doctor of science.The thing which occupied his mind was the disease rabies.老师，这边的which，可以填with which，因为我记得be occupied with是固定的搭配吧?
Aron's arm was caught under
a 360-kilo rock that fell on him when he
was climbing by himself in the mountains.这个句子的when从句是修饰哪个动词啊，是fell还是caught啊另外caught怎么理解啊
There was no knowing at what moment he might not put in an appearance， and whenever he did show， it was to storm about something为什么用it而不是he，storm的主语不应该是人吗？
Well, this whole idea of moth or butterfly markings being scary because they look like eyes rests on how we imagine that their predators perceive the markings.这句话动词是rests on 但是because 是修饰前面一句话的 和主句无关。看到状语我该如何判断这个状语到底是修...
Today it is common for corporations to direct their attention to
serving shareholder and management interests and to achieving the highest or
short-term financial return.请问老师，这个句子中，shareholder 不是可数名词吗，可以不用加复数的吗？
But things were different for their first essay, which
was about the question: “Why is writing important?” Most of the essays filled
less than one page, and few contained a sentence that could be interpreted as a
thesis(论点) statement. I was shocked. Then I realized
that the problem was the q...
...s are luxury goods（and much preferable to cucumbers）So when one monkey was handed a grape in exchange for her token, the second was reluctant to hand hers over for a mere piece of cucumber.（英语一：2005阅读 text 1）请问over做什么词性和句子成分，还是和某个单词构成...
...：Professor：He'll be researching how bridges and culverts that have been installed to allow tidal waters to move underneath roads between the sea and the salt marshes. Well, they are often too small. Student：I guess that would result in not enough tidel water flowing into the marshes to mai...