问题 He had failed to visit her as promised中从句如何补全

问题 How did you get to know all this怎么分析句子成分

问题 What time is the plane to take off怎么分析句子成分

问题 It’s hard to do sth与It’s 

老师说 It’s hard to do sth也可换成 it’s hard doing sth，前者是不定式作真正的主语，后者是动名词作真正的主语。比如： It’s hard to finish the work in such a shgort time. = It’s hard finishing the work in such a short time. 我...

问题 cap in hand的用法和疑问

...思，不是有地就是副词词性吗？His son never asks for parents to come cap in hand，and have to come cap in hand to us，he is able to earn his own living now.这里的come是被cap in hand修饰吗?这里的cap in hand是修饰to come吗？come这里是动词吗？

问题 句首的不定式做什么成分

To think she wanted to walk all the way to the park.①这个句子里的不定式做什么成分？②这个句子是一个独立的句子吗，还是只是一个宾从？还有这个句子，总感觉句子机构很奇怪：To spend so much money on something he didn't even need.还有这个句子...

问题 悬空不定式（又叫反射不定式）的困惑

...都属于悬空不定式（又叫反身不定式）吗？1）John is easy to please. （被动意义）2）John is eager to please. （主动意义）3）The chicken is ready to eat4）He is interesting to listen to其中，第2）句中的 please 是及物动词，还是不及物动词呢？如何...

问题 支持某人做某事（support sb doing sth与support sb to do sth）

...的例了。问题二：英语可以说 support sb doing sth与support sb to do sth 吗？

问题 he is a good man to work with。请问这句话为什么没用被动。

man和work with明显动宾关系，文中没有出现其他名词来充当work with的主语，这种找不到主语的情况难道不应该用被动来表示吗。he is a good man to be worked with   by people。

问题 The effects is almost immediate.

...n but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.有点迷惑effects后面的 is.例如：Economic effects of such high speed change are also unpredictable and somewhat chilling …— Genevieve Stuttaford, Publisher's Weekly, 29 July ...

话题 The box is too heavy for the little boy to carry

问题 句子成分分析

We had to trudge up the track back to the station.老师，这个句子成分怎么分析，主语是we 谓语是had to trudge up 宾语是track吗，up在这里是什么词性， back to the station是什么成分？

问题 宾语从句 介词

Discipline is doing what you know needs to be done, even though you don't want to.1.这里what是在宾语从句里面作定语成分吗？you know what needs2. you don't want to 为什么介词to后面什么词也不接？这是语法错误吗？

问题 would rather后面跟句子是否一定是虚拟语气

would rather 虚拟语气：would rather (that) sb did/had done.有没有非虚拟语气的用法？另外，既然有 sb would rather do （than do）的用法，有没有 I would rather sb do than do的用法呢？我好像读到过这种结构的句子。

问题 两个逗号间是否是插入语判断

But the first people who were like ourselves lived so long ago that even their sagas,if they had any,are forgotten.请问这句话中的if they had any是插入语吗？插入语不是不做成分的吗？可是if they had any是条件状语从句，所以像这样两个逗号之间插一个状语...