问题 ​be worried to do/about doing/that的区别

be worried to do/about doing/that的区别？

问题 do it well 和do this well 的区分

答案是do it，但为什么不填do this? 请问哪位前辈能稍详细解释一下吗？

问题 be proud to do/of doing/that...的区别

请问be proud to do/of doing/that...的区别？

问题 opportunity of doing 与 opportunity for doing 的区别

opportunity for doing与opportunity of doing有什么区别？在词典中看到的，没体会出异同，盼专家老师解析，谢谢。

问题 to do还是to doing

It shows that there may be an inherited element to writing good fiction1.不定式里为什么是 writing 而不是write? 2.这块里面是 sthing 还是 doing

话题 regret to do与regret doing

问题 and并列结构的省略问题

... enjoyed 和 enjoy 都可以吗？若用enjoy, 视为 and 并列了used to 后的 to walk 和 (to) enjoy,若用 enjoyed, 视为 and 并列了used to walk 和 enjoyed. 盼望专家老师权威详解，谢谢。

问题 Do you know...与Do you think...

Do you know when the train comes in？为什么不能把know替换为think呢？这两个应该都可以作插入语吧，只有do you think后不能跟疑问词吗？

问题 want to do和want doing

want doing有没有想持续现在这个动作的意思。比如：我想在室外一直呆到晚上（现在就在室外）。这个是I want staying outdoors until night.还是I want to stay outdoors until night.是不是因为现在已经在室外了，所以只能用doing。

问题 to do还是to doing

to什么时候是不定式的标志什么时候是介词？

问题 do good to 还是 do good for

With love and knowledge, we go all out to create a better world by doing good to others. When we see the impact of our good work on the world, we give meaning to our life and earn lasting joy and happiness.上面的内容摘自2022高考英语天津卷（第二次）的阅读理解D。请问文中...

问题 hesitate about doing和hesitate in doing的区别

我想问一下 hesitate about doing sth 与 hesitate in doing sth 的区别，网上虽然也有解释，但不是很清楚。谢谢老师！

问题 iamgine doing和imagine to do有什么区别

在外刊上看到一句话：So you cannot imagine to analyze the situation between Europe and America.iamgine doing和imagine to do有什么区别？

问题 to the day怎么理解

Fifty-seven years to the day after Martin Luther King, Jr., delivered his “I Have a Dream” speech in front of the Lincoln Memorial. 这个是说马丁路德金发表演讲后的57年后吗，那么这个 57 years to the day来修饰after， to the day为什么不是from the day?

问题 to do 和 doing 怎么区分

答案是listening，不是to listen，为什么不用to listen呢？