问题 be to = that 引导的定语从句

...从句，What aids there were to lighten labour =What aids there that had been invented to lighten labour ,这是什么语法，be to形式为什么会有这种代替定语从句的用法？

问题 关于不定式完成式和完成进行式用法

...我要在爸爸到家时就已完成作业。”“Tom has asked to have been paid by the end of nex month。汤姆请求下个月月底前付工资。”请问这两句话对吗？        二，语法网上说“不定式完成进行式主要表示在谓语动作之前一直在...

问题 will have been done 和 will have done 的区别

请问老师这两个在意思上是不是完全一样的？在语法上怎么区别使用呢？ 是不是只要有by the time...... 就必须用前者？

问题 will have been doing 和 will have done 的区别

请问老师这两个在意思上是不是完全一样的？在语法上怎么区别使用呢？ 是不是只要有by the time...... 就必须用前者？

问题 请问tidy of中of的使用

...there directing them, a sort of foreman, and began to wonder what on earth was going on, and then on the ground I saw there were all these polythene buckets and they were full of pine cones24 and of course what they were doing was collecting pine cones, and I thought, 'Well, how tidy of them to co...

问题 have/has always + done的时态问题

That’s because Congress has always envisioned joint federal-state immigration enforcement and explicitly encourages state officers to share information and cooperate with federal colleagues.这句中的has always envisioned是否应该翻译成“向来期望”，但完成时的定义不应该是...

问题 should后面为什么接动词has

Everyone should has an ambition in his lifetime, otherwise his energy will be wasted.请问should后面为什么不是动词原形have？

问题 What would it be like to be blind or deaf?(would的用法疑问)

What would it be like to be blind or deaf?请问这里的would是什么用法？是虚拟语气吗?

问题 For all they cared it might have been me - 书上是否翻译错

... induce me to help the police in any way. For all they cared it might have been me, instead of my effigy, which these rascals burned at the stake. Surely you are not going! You will help me to empty the decanter in honour of this great occasion!上面节选中，对于For all they cared it migh...

问题 单词 distinction 单数用法困惑

...ections of the world of letters in London when first, bashful but eager, I was introduced to it. It is long since I frequented it, and if the novels that describe its present singularities are accurate much in it is now changed. The venue is different. Chelsea and Bloomsbury have taken the place of ...

问题 现在分词or动名词？

...er是副词，seeing是现在分词After seeing the police, he made a run for the exit. Seeing the police, he made a run for the exit. 请问老师，如何理解？那种对？

话题 if he has left

话题 there be have/has

话题 whose time has come

问题 Sorry for sb or sth的应用

老师在这个句型中，for sb 与for sth都是做状语，但他们是否是做同一状语呢？ I feel sorry for you.这里的for sb是表对象， sorry for the late reply.这里的for sth是否是表原因呢？辛苦老师确认。