...用过去完成时。如：
By the time I got home, she had already gone to bed. 我到家时她已睡觉了。
By the time he got there, everyone else had arrived. 他到达那里时，别人已都到了。
The rain had set in steadily by the time we got home. 我们到家的时候雨已经...
...are no dusty cassette-tape fragments among the ancient bones, for example, to tell us how language was back in the early stages. (George Yule, The Study of Language, p. 1) 古代骨骼堆中，又没有带尘土的录音带碎片来告诉我们，在那些远古时代，语言是怎么样...
...了以下例句：before：It was before I went to college.It was five hours before I finished the work.after：It was after independence that the people began a new life.It ...
... （飞机的）旅客名单；货物清单
a list of the books referred to in a scholarly work 参考文献目录
a list of all club members, past and present 俱乐部以往和现有所有成员的名单
如果这些东西作主语，后面的谓语动词是用单数还是用复数...
Social science is that branch of intellectual enquiry (which seeks to study humans and their endeavors in the same reasoned, orderly, systematic, and dispassioned manner that natural scientists use for the study of natural phenomena.)但正常来说，从句应该是in the same manner that natural s...
有两个完成句子的题目：1. Let's try to speak English ____________. 让我们尽可能多说英语。 答案是： as much as possible.2. Please write sentences ______________. 请写出尽可能多的句子。 答案是： as many as possible.我觉得，第1句中 as much as possible ...
Mother would count out to her a bag of laundry that had accumulated over several weeks. The number of farms declined over the period.over the period似乎是以一种鸟瞰（bird's eye view）的角度，「总结性」地看待这段时间。农场数量在时间内可能时而...
...y. In fact I can't see anybody apart from me who is. Even this fellow
next to me 请教各位老师 In fact I can't see anybody
apart from me who is. 这句话中 is后面是不是省略了 ordinary？
...and the sometimes disappointing truth by the time they reached their early to late-20s.对于句子中by the time+从句我有两个疑问：1.如何理解这里的by the time+从句在整个句子中担任的成分？我明白by the time一般视为引导时间状语从句标志了，但是本身by...
...个主要问题：1. There are rare instances when justice almost ceases to be an
abstract concept. 这句话从结构上，我自己网上搜寻研究了一下，when 开头的句子应该是个同位语从句。不知道对不对，请专家予以肯定。从意思理解谁上来说，就有点搞...
...现代英语语法》p.726）
Kelly was adopted as the candidate for
Bolton West . 凯莉被提名为博尔顿韦斯特的候选人。(摘自《麦克米伦高阶英汉双解词典》p.28)
The military is usually characterized
as being very conservative . 军队通常被描述为很保守的地方...
...P70里2d倒数第二句（Please let us know by Wednesday if you can come to the party.）也是if从句，理解为名词性从句还是副词性从句？如果只是从理解句意的角度，理解为‘是否...’还是“如果...”都说得过去。如果理解为“是否”，更准确的...
...and soon.Currently, there’s no public policy on using assisted migration to help species survive climate change.请问老师，这里是 level 修饰oversight，之前问过类似的问题http://ask.yygrammar.com/q-34372.html，还是不太清楚这里of属于哪种用法。也有前面名词修...