话题 has和is的疑惑

问题 he has since died from lung cancer的分析

When I finally saw him it had spread and he has since died from lung cancer.句中的 he has 做何成分？如何解释？

问题 ​时间点和时间段的区分

I have been a teacher since 1999.这句话中1999显然是作为时间点用的。They were taking care of her in 1999.这句话中1999感觉又是作为时间段用的。I was born in 1999.这句话中1999又应该是作为时间点用的。所以我认为1999作为时间段和时间点应该和介...

问题 比较状语从句写不写出比较项

1.Experts have long been interested in such issues concerning metaphor as the structure of metaphorical utterances. 2. The conflict of interests and ideas between parent and child creats a situation far more common than was believed to be so. 这两句话都有比较，都在后面比较...

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 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 句子分析...all the trouble this has caused you.

老师好!I am very sorry for all the trouble this has caused you.本句中 this has caused you怎么理解？做什么成分？盼解惑！

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 sth has its way是什么意思

If the moderate end of the legal community has its way, the information on products might actually be provided for the benefit of customers and not as protection against legal liability.请问: If the moderate end of the legal community has its way 这个如何理解，我主要是不懂这个! 谢...

问题 negative has scope over adjunct是什么意思

The strike lasted two days.The strike didn’t last two days. [negative has scope over adjunct]上面的句子和括号内的解释都出自剑桥英语语法(p706)，我没有看懂括号内negative has scope over adjunct是什么意思，求教专家老师，谢谢！

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 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 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 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...