...成时。但是今天遇到了两个句子： 1. If you want to get up early, sleeping earlier the night before is expected to be successful. 所以，before并不限于 过去的时间点，可以扩展到 某个特定的时间点？ 假设现在是周...
The hot-spot trails formed by volcanic island chains indicate the positions of tectonic plates as for back as the present ocean basins have existed.后半句 as for back as the present ocean basins have existed 是什么意思？
...做普通限定词的时候，是否也是什么的意思？ whatever kind of
girl do you like ?(如果此句子成立的话)但是在一些句子中whatever做普通限定词时，有好像不是什么的意思， i will succeed
at whatever cost (whatever=any?)和 for whatever reason,he
doesn't lik...
...#39;t he talk ! 可否？(3) 感叹疑问句：What would I not have given to be able to say the rules without a mistake !赵振才书上说，这类感叹疑问句中的否定词not必须采用缩约形式n't， 但为什么上句would I not分开了而且没有缩约写成wouldn't呢？(4)...
...alls, headrest covers, serving carts, meal boxes and, we imagine, an array of clothing items worn by giddy riders.请问：为什么painted用过去分词（表被动），而appearing同现在分词（表主动）？
This is not they had exprcted after years of painstaking research.A.a result as bad as B.as a result as badC.as bad as a result D.as bad a result as 老师这道题选D，同级比较的概念，为什么C不可以呢？
We had all heard that it was a great dam, as modern as any of its kind in the world.主句had heard是过去完成时，宾语从句的时态应该至少不晚于主句的时态had heard, 那么为什么宾语从句仍然使用了it was一般过去时呢？We had all heard that it HAD BEEN a great d...
...也让人困惑。 3） It takes sb. some time to do sth. 结构中，是否可以加入for, 即，It takes sb. for some time to do sth. 4）breathe fresh air 与 breathe in fresh air是否有区别？前者是“呼吸（吸进和吸入）...
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.虚拟语气中，“主句中的从句”和“从句中的从句”的时态也要变化吗比如句子中， were to ask 是对将来表示虚拟，其从句的从句what was in the bottle...