问题 过去完成进行时和过去完成时的区别

We could smell that someone had been smoking a cigar.请问老师这里为什么要用过去完成进行时，had smoked行不行？

问题 predictive clause和predicative clause

突然发现表语从句有两种说法：predictive clause和predicative clause 请问这两种都对吗？一a之差但是两个单词的意思相差挺大的，predictive是预言的预兆的，predicative有断言的，也有谓语的意思，predicative clause可以理解，但是predictive怎...

问题 好题分享(05)：单选题(涉及than分句的省略)

He announced that profits were higher than_________ forecast.A. current   B. previous     C.  later       D.  不填

问题 without registration, registering, being registered的区别

A marriage without registration/registering/being registered is not allowed.请问这句话，用registration/registering和being registered，是否都可以，有什么区别？

问题 这个before引导的是什么从句（很难）

On the day before they held the wedding, the whole house was at sixes and sevens. 请问这个 before 引导的是什么从句？ 如果说是状语从句，那它与 on the day 是什么关系？ 如果说是定语从句，那 before 可以引导定语从句吗？ 如果说是同位语...

问题 watch sb do sth与watch sb doing sth

老师好，请问watch sb后面什么时候用do什么时候用doing呢？She watched the kids playing in the yard. They watched the bus disappear into the distance.

问题 could find no way是什么意思（等于could not find ways吗）

Newton regarded his refutation of mechanism as an ‘absurdity’, but could find no way around it despite much effort.请问：could find no way 是什么意思？等于 could not find ways 吗？

问题 句型判断

They maintain that private cars contribute to traffic congestion so greatly that the advantages gained in comfort and freedom are often cancelled out by the frustration caused by traffic jams.请问这个that the advantages的that是什么成分，谢谢老师。

问题 have arisen用法疑问

The committee has anticipated the problems that have arisen in the road construction project. 为什么是have arisen?

话题 which focused primarily on internal participants这里为什么用非限制性定从修饰 the original value chain model？

问题 由两个比较级组成的句子，不加连接词的疑问

The larger the specific heat capacity is, the more heat is needed to change the same temperature.请问老师，这个句子中不加连接词，直接用逗号隔开是对的吗？总感觉经常看到过这样的句子，但是找不到出处了，这是我自己写的，请老师帮忙看一下.

问题 介词like后面可以接不定式吗

What is it like to work for a boss who is much youger than you? 请问这个句子中的 like 是介词吗？如果是介词，那它后面为什么接不定式而不接动名词呢？

问题 条件状语从句为什么用将来时态

If that mockingbird won’t sing, Papa’s going to buy you a diamond ring. 这个句子是人教版高中英语必修6第2单元的一个句子。这里的条件状语从句为什么直接用了将来时态，而不是用一般现在时表示将来意义呢？

问题 be supposed to是“应该”还是“据估计”

Linda is supposed to be at a lecture at Cambridge.上句中的 is supposed to 是应该还是据估计的意思，怎样分辨 be supposed to 是应该还是据估计？谢谢解答。

问题 chance表机会时后面能用介词for吗

具体语境为So how can students increase their chances for a job? 句中的for是否正确？