问题 分析成分:He used to have a lot of meetings to attend.

问题 average out +to 结构分析

Your days are going to average out to about twenty-four hours. 请问老师 average out 后面为什么加to?

问题 not后省略了to吗

Rich people are more likely to break rules, not follow the law, and not care about other people.这个句子里后面两个not是省略了to吗，not to follow the law and not to care about other peop。还是副词not用在动词前表示否定，那为啥没有助动词呢？

问题 is believed to have been 分析

The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.A. has been believed to have beenB. was believed to beC. is believed to have beenD. is believed to be请问这题的答案为什么选C，可以给我讲解一下这题的语法点吗...

问题 but to do与but do 的疑问

can't help but docan't choose but dohave no choice but to dodo nothing but docan't but do请问这些结构中,为什么单单have no choice but to do需要用到to,而且结构就不需要to呢? 如果再碰到其他结构,怎么判断要不要加to,这有什么规律可循吗? 

问题 "主语+系动词+形容词"这种结构后面的to是什么成分

比如：It would be impertinent to ask where exactly you were.His staff is insolent to our manager.He was elated to pass the exam.是不是to 后面跟名词的话to 就是介词，如果后面跟动词就是不定式?

问题 would have liked to与should have liked to的区别

Much as________, I couldn't accompany him to the concert because I simply didn't have any spare time.A. I should have liked toB. I would have liked toC. I should have to likeD. I would like to have关于这道题，我有几个疑问：1、我从网上查到，would have liked 是would like的虚拟...

问题 连词介词和不定式的疑惑

...师。最近看到下面几个例句, 对连词/介词和不定式前面的to 有疑惑，望给予解惑，谢谢。1. 柯林斯词典：Ida would not speak to him except to answer questions... （此处except,词典标为连词，其后不定式前面有to）.2. 柯林斯词典：Nothing more to d...

问题 如何分析：Do you think it necessary to learn to wait in line?

请问老师，这句话是不是一个宾语从句？to wait in line 是不是一个形式宾语？如何分析这句话的语法结构。为什么是 it 而不是it’s？我们以前学过一个巨型：it's +adj for sb to do sth。对某人来说做某事是怎么样的。这里就是it’s

问题 have got to 是否有一般疑问及否定形式

请问老师"have got to"是否有一般疑问及否定形式？例如 I have got to see a doctor.是否有一般疑问句形式  Have I got to see a doctor?或否定形式 I haven't got to see a doctor.还是have got to 只用于口语的陈述句中？

问题 使用 adapt...to...结构的难句翻译

Adapting that distinctive and powerful adjective to such unexceptional uses is like resorting to a pistol to dispatch a mosquito.请专家老师翻译一下这个句子，尤其是使用 adapt...to...结构的翻译如何处理？谢谢！

问题 be to blame for的用法

The alphabet is to blame for the failure of Zoe Zysman.请问老师，这句话是谁归咎于谁呢？be to blame for包含被动的含义吗？或者这个be to blame 是表示一种将来时吗，就像be to do 一样？

问题 to的分类

牛津初阶第四版和柯林斯大词典把to do的to都归类为介词。请问这样对吗？

问题 关于连词引导to do的并列结构

请问这道题中: We cannot expect her to go to work as well as___(look) after the baby. 答案给的是look，我这里可以填to look吗？还有就是连词连接两个并列的成分，什么时候to可以省略，什么时候不能省略呢？

问题 to whom 理解

The knowledge of who sent them and to whom was enormously revealing and still could be.请问老师，to whom 如何理解？跟在sent them 后面，哪这样不就少主语了吗？the knowledge of whom （没主语）sent them to ...