问题 It's + adj/n + doing 或 to do 的逻辑原理？

...9;s foolish behaving like that.为什么不能说to behave?It's fun to do/doing - 为什么 doing和to do又都可以？It's of no use crying/to cry - 为什么二者均可？在It is adj/n +...这种结构中，为什么在某些形容词和名词之后，只能doing, 而某些形容词或...

问题 have to do的否定形式

1. 请问have to do的否定形式是有don't have to do和needn't do两种吗？2. don't have to do和needn't do有区别吗？

问题 inviting / to invte(涉及句式write to sb doing/to do)

One day a middle-aged woman wrote to a doctor INVITING him to have dinner at her house.不能理解为什么填写INVITING, 而不是TO INVITE ?

问题 use something to do something后面的to do不定词是什么结构

请问老师use something to do something后面的to do不定词是什么结构？是状语么还是宾语补语修something，像这种结构如何判断后面的不定式是状语还是宾语补语呢?

问题 请教这句话是否有错误

The concern comes when all they do is send pictures of food.is send是否应该是is sending？

话题 to do 而不是doing

问题 一个句子的时态和语法分析

Cristina has come to san francisco by herself.请问这句话的语法和时态。它和cristina comes to san francisco by herself.有什么区别？如果是现在完成时的话，不是应该用has been吗？谢谢！

问题 Here comes sb可以不用倒装吗

比如下面这句：Here comes your husband. 你丈夫过来了。可以不倒装而说成下面这样吗？Here your husband comes.

问题 come true改为become true可以吗

My dream has come true. 句中的 come true 改为 become true 可以吗？

问题 that宾语从句疑惑

...room, they mean that everyone realizes that crime issues exist, but nobody wants to discuss them.请问老师：but nobody wants to discuss them这个句子跟哪个句子并列？1 跟they mean that everyone realizes that crime issues exist并列？2 跟everyone realizes that crime issues exist并...

问题 come in加形容词

So this book is gonna come in handy. Jason Brill came in late. come in handy和came in late是属于固定短语吗，还是可以接所有的形容词？

问题 depend on sb to do与 doing

请问老师，depend on sb to do 和depend on sb doing的区别是什么？比如这句话中 We decided to depend on him to carry out the secret order. 可以换成 depend on him carrying out the secret order吗？

问题 very...to do sth与too...to do sth的用法问题

too…to…是固定句型，所以 too…to do sth 毫无疑问是没问题的。但是very…to do sth为什么就不行呢？它从语法还是意思上看都很通啊？She thought the film far _______ violent to show to children.。A. too      B. very此题选 too 当然没问题...

问题 are you getting enough sleep 为何用现在进行时

are you getting enough sleep. 为何用现在进行时？直接用现在时不可以么 do you get enough sleep.或者 did you get enough sleep. 这有什么区别呢

问题 英语句子理解 at library tones

英语六级真题原文Of course, you are still encouraged to keep the talking at library tones and, whatever you do,keep the information you share simple, like a grocery lis...