问题 终结性延续动词build的用法

...They are building the house for three years. 不对。问题1：They have been building the house for three years.对不对？现在分词的完成时不能作定语。问题2：The school, having been built for two years, is intended for disabled children. 此时having been build for two years是...

问题 分析:surprising dead stars和hundreds of millions of

...此会不会多余？是什么意思？2. Scientists think that there has been life on the earth for hundreds of millions of years.请问：这里的 hundreds of millions of 是什么意思？

问题 should后面为什么接动词has

Everyone should has an ambition in his lifetime, otherwise his energy will be wasted.请问should后面为什么不是动词原形have？

问题 不同时间或地点状语之间的等级关系

...s (the one being a sentence adjunct, the other a predication adjunct). For example, with two position adjuncts:Many people eat in restaurants in London.The order here satisfies both the grammatical requirement (that the sentence adjunct be more peripheral than the predication one) and the logical re...

问题 限定动词、非限定动词的定义和语法作用是什么

...writing a book. Was为限定形式，writing为现在分词非限定He has been writing a book. Has为现在式（限定），been过去分词、writing现在分词均为非限定形式He must have been writing a book. Must为现在式（限定），have为不带to的不定式，been过去分词，w...

问题 句末逗号隔开的句子成分分析

...成分该如何分析呢？每个做什么成分呢？1.If it clears the House, this measure would still have to get through the Senate – where someone is bound to point out that it amounts to the bare, bare minimum necessary to keep the Postal Service afloat, not comprehensive reform.“not compr...

问题 关于现在完成时的问题

...，不是表示“曾经做了什么吗“？   就类似于 i have been to china 我曾经去过中国，have +been 没有延续性时状。    2.现在完成时表示重复需要明确的次数，这里也没有   3.表单一事件必须是短暂动词，显然他也不是。这...

问题 关于“时和体”动态动词现在完成进行体，为什么持续性的时间状语可有可无

...eks. 问题一，那么是否也可以说 I have been busy lately? lately; recently 是否也属于持续时间状语问题二，为什么动态动词的现在完成进行，就持续时间状语而言可有可无？进行的动作表示在给时间内，该动作并没有发生切结束例如如果...

问题 同位语和原因状语的区别

A skilful hand at improving tools, Mike helped to make a new type of cutter. 这句的A skilful hand at improving tools 为什么是同位语呢，它也可以说是原因状语Because Mike has a skilful hand at improving tools，甚至是伴随状语呀！

话题 if he has left

话题 there be have/has

话题 whose time has come

问题 do you know 可作插入语吗

do you know 可作插入语吗? A.When do you know the movie starts? B.Do you know when does the movie start? C.Do you know what time the movie starts? D.At what time do you know the movie starts? 这四个句子谁对谁错呢？如果有错错在哪里？谢谢！

问题 有关时、体相关概念的疑问

...e has worked there for 2 years.总体是事件，之下是习惯。He has been ill for 2 years.总体是事件，之下是状态。She has already finished her homework every time I ask her for dinner.总体是习惯，之下是事件完成。If fish are swimming by green sea plants, they'll turn ...

问题 the issue of which is seen as the driving force的句式

...n depends on the issue of which is seen as the driving force. 该句中不知道如何理解 the issue of which is seen as the driving force这部分的结构，网上给的解析是of which是...