...在google上搜到了（https://www.dailywritingtips.com/mustnt-have-done-and-couldnt-have-done/）确有次结构，并且常和couldn't have done替换使用，mustn't have done多为英式。2.为什么我在cps网站看到couldn't have done既可以表示不太可能...，但这里同时couldn't...
...训练三级一书第62页Multiple Choices中第4题："She would go and inform him if she ( ) his address."问题给出了四个选项，分别是：A. know B. had known C. knew D. would have known 答案是D.我的问题是答案为什么不能是C.呢...
I suppose I’ll be happy when I’m earning enough to pay the bills, with a little over to be able to eat out from time to time, and something to plough back into the business.请各位老师分析一下这里不定式to be able to eat out from time to time做啥成分？修饰的对象是谁？
.... see sb (sth) do sth 看见某人(某事)做了某事。如：I saw him stand up and go
out. 我看见他站起来，然后就走了出去。We saw the train come into
the station. 我们看见火车进了火车站。在被动语态中，不定式要带 to。如：She was seen to pick it up. 有人...
...I think
people should know the differences of the life BETWEEN on Mars AND on the Earth. - 对吗？另外，书上又出现了：c)问：What does
the writer think of life on Mars ?d)答：Better
than life on the Earth ?很奇怪：注意，这两句中life前都没有定冠词the, 和上面的...
...ince books have classes--fiction,biography,poetry--we should separate
them and take from each what it is right that each should give us.在此嵌入式名词性关系分句中，it为先行主语，that each should give us_为外置主语从句，我的疑问是，外置主语从句中give的直接...
...么用disaster
area而不用disastrous area▲P53▲Drop down onto your hands and
knees的理解与翻译in
danger from与in
danger of▲P54▲stand 用法疑问（stand at+数字）Sunday off 是什么意思tsunami-hit 的构词法知识▲P55▲one third the length 为什么中间没有of▲P56...
...看看国外社交媒体的两个例句：1. Join us with lump in throat and tear in eye. 2. I got tear in eye seeing donation from students. 实际上，这两个句子都是社交媒体的省略表达，严格说示属于病句。写完整后应该是：Join us with a lump in my throat and a tea...
...用法是否一样？4. Square dancing, seen as a way to relax and exercise by some people, has brought about lots of arguments.有人说第3句中的directed作定语，因为可以写成一个非限定性定语从句，那么seen在这里也可以写成一个非限定性定语从句，...
Woman: And you want to do some interviews: you know, what the professors think of the plans, what the students think. You get the idea, but… Man: But wait till I talk to Max before proceeding? Woman: Right, he’ll cover everything you need to know to be a reporter for us. Can you come b...
1) Finally, with both of us combining our linguistic and imaginative resources, finally, after what seems another hour, we decode it.2) Much she cared for what any one thought of her now.句1)中 after what seems another hour, what seems another hour 作介词after的宾语，即what引导的主语...
...er History
Museum in America. It has information about different computers and who
invented them. The old computers were much bigger. It's believed that
technology has progressed in such a rapid way! I've also learned that there was
a special computer. It could play chess even better than humans. I ...
...n 前面为什么不用不定冠词◎ 谚语翻译与造句◎ All work and no play makes
Jack a dull boy.（主谓一致）▲P14▲◎ confusing的理解与翻译◎ make the team是什么意思▲P15▲◎ the purpose作语时表语只能用不定式吗▲P16▲◎ head word 是什么意...
...，有以下问题想请教一下。1. I managed to get through
the game and the pain was worth it in the end.请问was worth it是不是错了，主系表应该是was worth。那这个it又代表什么呢？2. His first book to be
published next month is based on a true story.其中be based on是...