非谓语做定语时，ing形式的现在分词与被修饰词是主动关系，done形式的过去分词与被修饰词为被动关系。那么下面这两组句子当中，哪一个是正确形式呢？He had a spirit loving everybody.He had a spirit loved everybody.(我的疑问在于spirit做...
句子一: But when the categorically extreme instrusivenesd of a search down to the body of an adolescent requires some justification in suspected facts, general background possibilities fall short; a reasonable search that extensive calls for suspicion that it will pay off.句子...
...eep
on doing sth. 跟 go on
doing sth. 是一样的结构——不及物动词 + 副词小品词 + 现在分词（作伴随状语）刘永科 感谢蒋老师对 go on doing 结构提出不同的看法。关于keep doing 和 keep on doing，前者是及物动词接宾语，后者仍然是跟 go on d...
遇到既可以当介词又可以当连词的词，怎么区分后面接的doing是动名词还是现在分词?I need more practice before taking the driving test.句子里的 before taking the driving test为什么不是介词引导动名词作状语，而是连词引导的现在分词作状语?
If his friends call him to go out,he will do it at once.老师，不是很明白代动词 do,它为什么要加 it,可以省略吗；do 是及物动词，it=his friends call him to go out.是吗？go out=do, do it 为什么不等于go out it.
I was reading the paper____she was writing. A.when B.as C.while D.after 老师你说，表示过去发生的事情，while 引导的时间状语从句与主句可以同时用过去式或过去进行时，意思上没有多大的差别。
如：I cooked the dinner while h...
A weaker requirement would be that the theory must provide a practical and mechanical method for determining whether or not a grammar proposed for a given corpus is,...
From a practical aspect this protected the figures against breakage and psychologically gives the images a sense of strength and power, usually enhanced by a supporting back pillar.1. “, usually enhanced by a supporting back pillar.”这部分是该理解成逗号隔开的后置定语，还是省...
...。但我觉得和how much it costs有点儿类似。不知道和前面动词是及物动词还是不及物动词有关吗？那如果是 I don't know how old you are.这样的句子里呢？how old 引导宾语从句，作are的表语？相当于you are ten。里面ten是表语吗？也有人说how...