问题 It is about time虚拟语气用过去式或should do的区别

If you have really been studying English for so long, it's about time you ____ able to write letters in English. A) should be B) were C) must be D) are 这道题选B，为什么A不对？it is about time虚拟语气有时候不是也用should do吗

问题 句中which like之间为什么没有is（另外roll out是名词吗,在句中做什么成分)

The film by DC Entertainment and Warner Bros., which like CNN, is owned by Time Warner(TWX), also opens in 65 markets around the world on Friday including the world's second biggest market, China. This roll out has led analysts to predict a global opening that could gross over $300 million ...

问题 句子结构分析（happy前为什么没有is）

The background thread（后台线程） then goes to sleep, happy that it has freed some memory（内存） for running processes（运行的进程） and the OS（操作系统） to use.请教各位专家，“happy that”从句是做什么句子成分呢？happy前的be动词为什么可以省略...

问题 it is adj of sb to do sth 中的wrong的问题

沪教版的八年级下册中出现了It's wrong for us to buy products made from endangered animals. 又出现了，It is wrong of you to do sth，到底那个对，of不是表示人的特点的词吗?请老师指教，老师教的是 It's wrong of sb to do sth.

问题 分析：That steady push up the ranks is typical of its founder.

That steady push up the ranks is typical of its founder. 请问在这句话中，that steady push up the ranks是什么用法？定语从句？主语从句？同位语从句？还是动名词短语做主语？我分析的这些全都不符合语法规则，求助大神！

问题 考研英语句子结构比较与分析(as seen..., as is show...)

...，这暗示着烟草消费在接下来的几年里会呈下降趋势。As is shown in the pictures, cigarette smokers account for 20% of the total population of the world, reaching approximately 1.1 billion.如图所示，烟民占世界总人口的20%，约达11亿人。请问以上两个红色部...

话题 as 的用法（涉及as adj as it is to do sth）

问题 分析不定式是什么成分（涉及sth is easy to do, happen to do等）

1. The question is easy to answer.(to answer 做什么成分）2. I happened to meet him in the street.3. He seems to know the truth.

问题 It is very late of me to go to school.这句话是否有错

老师您好！请问 It is very late of me to go to school.这句话是否有错误，of me是否应该改为for me？

问题 不是错综时间的错综时间虚拟语气——怪！

...的句子时态用得对吗？ If he was in New York, he could have met my sister. 如果他在纽约，他就能见到我妹妹了。 If they were in the army, they would have been fighting in the jungle most of the time.  如果他们在服兵役，他们大部分时间一定是一...

问题 daily routines 是什么意思

...是什么意思We hired our bikes from the rental place at the South Gate. My bike was old and shaky but did the job. It took us about 3 hours to go all the way around the Xi’an City Wall. Supposedly you can do it in two hours, but we stopped at the different gates and watchtowers to take pictures...

问题 这个 that 是引导结果状语从句还是用作关系副词

The diet on board agreed with us perfectly, and for my part, I could easily have gone without those changes of pace that Ned Land, in a spirit of protest, kept taxing his ingenuity to supply us.这句话摘自《海底两万里》，句中的 that 是作什么作用的？引导结果状语从句吗...

问题 定语从句词法问题

The number of people who own cars is increasingThe number of people who own cars are richpeople who own a dog is increasingpeople who own a dog are friendlyA lot of people who own a dog are cuteA lot of people who own a dog is increasing我的理解是都是说一群人，但是一个是针对人来...

问题 定语从句词法问题

The number of people who own cars is increasingThe number of people who own cars are richpeople who own a dog is increasingpeople who own a dog are friendlyA lot of people who own a dog are cuteA lot of people who own a dog is increasing我的理解是都是说一群人，但是一个是针对人来...

问题 关系代词what能省略吗

He is a respectable person because he always has the courage to speak out he knows is true, do what he feels is right and fights for what he thinks is unfair.他是一位值得尊敬的人，因为他总是有勇气说出他所知道的真相，做他认为正确的事情以及对抗他所认为不...