问题 为什么有do又有is

What do you suppose is the matter? 问的比较基础，但我真不明白，在这里请教一下！

问题 have、get+宾语 to do sth

... morning作什么成份，to understand是作什么成分。have+宾语+to do sth和get+宾语+to do sth这两个有什么区别？以及它们后面的to do在句子中可以分别作哪些成分？

问题 关于advise sb to do sth与advise&n

...名词。如： He advised me to go by plane.（使用句型advise sb to do sth） He advised me going by plane.（使用句型advise sb doing sth） He advised my going by plane.（使用句型advise sb’s doing sth） 请分析一下这三个句型，尤其是advise sb to do sth与adv...

问题 It is responsible of / for sb to do sth的用法疑问

...个问题是关于irresponsible 的用法：It is irresponsible of sb to do sthIt is irresponsible for sb to do sth参见：http://ask.yygrammar.com/q-26640.html我想请问一下，如果是 responsible 呢？怎么用？It is responsible of sb to do sthIt is responsible for sb to do sth我在词...

问题 what we can to do sth是什么结构

We should do what we can to help the homeless people.what we can to do 是什么结构、什么成分呢？

问题 worth doing（值得做）可用于哪些句式

worth后接动词要用动名词，请问worth doing 有哪些句式可用？

话题 but to do

话题 do you think

话题 neither do I

话题 nor do I

话题 Having been doing

话题 be left doing

话题 to do sth

话题 be to do

话题 must be doing