问题 it的指代问题

It will be helpful if you can take an active part in your class.请教老师这里的it 是形式主语，if 从句是真正的主语？还是说it 是个虚指？(求曹老师答）

问题 频率副词在不定式中的位置

不定式短语含有频率副词时，请问频率副词放在什么地方，例如：(1) To walk often can make us happy.(2) To often walk can make us happy.(3) Often to walk can make us happy.哪个对？谢谢！

问题 英语句子结构分析

... first experiment, nearly 30 years age, involved memory: training a person to hear and then repeat a random series of numbers.【参考译文：差不多30年前，他的第一个实验与记忆力直接相关，即训练一个人听一系列随机的数字，然后再重复这一系列随机的数...

问题 高考题中的journey用作及物动词合适吗

...ntly hiked (徒步) 40 days to Xi’an, as a first step ___61___ (journey) the Belt and Road route (路线) by foot.这是2022年高考英语全国甲卷语法填空中的一个句子。答案填不定式。这句中的 journey 是用作动词，同时应该还是及物动词，因为它后面有宾...

问题 I'll keep what you have helped me forever in mind

what 引导 什么从句？

问题 让步状语从句和非谓语

刘老师，帮忙看下这几个句子正确吗？Having been told many times,he didn't know how to do it.Though he had been told many times,he didn't know how to do it.Though told many times,he didn't know how to do it.这三个句子是不是可以互换？谢谢了

问题 I enjoy living in Gansu(宾语是living还是living in Gansu)

题目是分析句子结构，答案是s+v+o这个in Gansu是看成宾语的一部分呢，还是地点状语，还是说介词短语充当宾语补足语？

问题 parents should give their children a chance to learn choosing,but can provide them with some advice until they need，这句话有没有语法错误

问题 Both词性问题

He will have a wonderful future both in his career and his personal life.both在词典里只有限定词和代词，但这两个词性在这里都说不通。难道这里的both的副词？为什么词典不添加一个副词词性呢？

问题 one/that指代替换前面出现的名词的疑惑

1）We now know that Archimedes, one of the foremost mathematicians of ancient Greece, devised a method forcomputing volumes that was very similar to THAT of Newton, who developed calculus.语法书上说，one 指代带不定冠词的名词，而that指代带定冠词的名词，那么上面句子...

问题 一般疑问句的回答

Do you think so? Do you think it is true?回答时要不要Yes/No？ 还是直接I think so./I don't think so.? 还是Yes, I do./No, I don't.? 还是Yes,it is./No,it isn't.? ... ...

问题 关于章振邦老师语法书里的限定动词与非限定动词的问题

...，谓语词组中，助动词+动词原形的， 动词原形都是不带to的不定式吗？希望举例说说 2.书里说，在英语中，动词出现在句中时，只有5种语法形式，不存在动词原形形式“，那么实际出现的所有动词原形，都是不带to的不定式？...

问题 分析：No self-respecting student would ever indulge i

No self-respecting student would ever indulge in.请问是修饰  self-respecting：“不自重的学生”会成谜于？还是修饰整个句子：没有“自重的学生会成谜于”（自重的学生都不会成谜于）？

问题 动名词可以用形式主语it吗

It is useful building a small English community to provide a supportive environment. 一开始想用to build，可以感觉后面两个to有点重复，便想用动名词，又想到没怎么见人用过。所以请问，动名词的这种用法是错误的还是不受人待见的…？

问题 求语法分析I love with you were still lingering fragrance lingers.

另外如句中的love with you，可以作为一个单独的意群吗，比如“Love with you ten clasp”，还是说这里省略了一些其他的成分呢？