问题 discover sb doing与discover sb to do

有下面两个句子： We discovered her to be a good cook. 我们发现她很会煮饭。 I discovered him kissing my wife. 我发现他在吻我妻子。 请问：discover sb 后面什么时候用 doing 什么时候用 to do？谢谢！

问题 A nice age to be 是省略还是惯用语

牛津必修三 Unit 1 Reading 中有这样一段话：Ah,twenty! A nice age to be.I was young once.这里的 A nice age to be 是省略还是惯用语？

问题 hard to deal with作定语时的分析

It is a matter hard to deal with.红色部分应该是看作形容词做定语呢，还是应该看作不定式做定语呢？谢谢老师的回答。疑惑： hard to deal with 动作性要比形容词性更强，所以我觉得是不定式起的形容作用要比hard 大一些。

问题 to have been destroyed, having been destroyed 用法区分

A number of painting in this castle are believed to have been in destroyed a fire in 2009.为什么用 to have been destroyed 而不用 having been destroyed 呢？

问题 请问此处的不定式to jump 是做句子的什么状语啊？

Are you ready to jump out of the airplane without your parachute?请问此处的to jump out of the airplane是做目的状语吗?谢谢啦

问题 go on,go to表示“去”的意思，有什么区别?

如： 1.She was not working but going on holiday last summer. 2.Students in our school often go on field trips. 3.go on a picnic go to the zoo go to the park

问题 see sb do 和see sb to do的区别

see sb do 和see sb to do的区别:I see him dance和i see him to dance这样的表达都对吗？有什么区别吗？

问题 like to do与like doing的区别

...，不定式表示还未做的事，动名词表示已做的事，比如stop to 表示停下来去做某事，stop doing表示停止做某事，但下面这两个句子我好像没看出来什么区别： Rabbits like to eat carrots Rabbits like eating carrots 请问上面这两个句子有什么...

问题 advance on与advance to的区别

He advanced on the city. 他向该城进发。这里为什么不用介词 to 而用介词 on 呢？没看明白，求解答！谢谢！

问题 think to do sth的用法对吗

I did not think to fail in the examination. 这个句子符合英语语法吗？

话题 have sb to dinner

话题 know to do sth

话题 Do you have to

话题 be supposed to do

话题 be going to go