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问题 play musical instruments，play the drums 为什么用复数

书上的一句话：What musical instruments can you play?I can play the drums. 为什么用复数呢？

问题 It's a pity that 从句 shoud do 和 should have done 时态

1)It's a pity that he should refuse to accept the offer.2)It's a pity that he should have refused to accept the offer.请教老师：                  以上2句含义的区别究竟是什么？1）表示“还没有”拒绝，2）表示“已经拒绝”了，是吗？可否说成...

问题 为何这里的he had不用主谓倒置语序

为何这里的he had 不用主谓倒置语序？请老师们指点一下.谢谢! The inspector asked at what time he had arrived at the station.

问题 be fast后接不定式用什么形式

若要表示做某事很快，应该在 be fast 后面接动词的什么形式？不定式还是现在分词？

问题 这里为什么用decategorise

老师好，《每日邮报》近日的一篇文章中有这样一句话：Homosexuality was decategorised as a mental disorder by the Chinese Psychiatric Association in 2001.对于 decategorise 一词，维基词典指出，词源为de- + categorise ，并未解释其含义。请问为什么要加 ...

问题 可数名词bunny为什么用光杆名词

... friend Betsy’s father was a manager at Hough Bakeries, which, at Easter time, made little bunny (兔子) cakes for all its stores throughout Cleveland. It happened that the plant downtown needed eight kids for temporary help during our spring break, for which I had no plans beyond listening to my...

问题 不定式的否定式用not to do与to not do的正误问题

一般书上都说不定式的否定式是 not to do。如：It was very rude of them not to answer. 他们不予回答是很失礼的。Tell that boy not to get in the way. 叫那孩子不要挡住路。He made up his mind not to say a word. 他打定主意一句话也不说。She begged me not to ...

问题 为什么 advice 是不可数名词

...意见”，要使用 a piece of advice 或 several pieces of advice 这样的表达法。请问为什么 advice 是不可数名词呢？是因为它是抽象名词吗？按照中国的习惯，意见就是一条或几条的呀。为何不能用 an advice 或 several advices 呢？ 

问题 不定式的并列

Some use them to keep a close watch on the demand for their line of work or gather information on compensation to arm themselves when negotiating for a raise.为什么or并列的是不定式to keep和（to）gather，而不能是use与gather并列呢？

问题 请教句子成分

What kind of world is this to bring a kid into?请问to bring a kid into是定语还是状语？感觉像是world的定语，可是为什么和world分开了？为什么不是What kind of world to bring a kid into is this?

问题 一般现在进行时态的用法

...一个人说“You are not receiving any signal here.”学生认为这里的be doing是表示将来的动作，但是查了下进行时表将来的用法，1.已做出的打算。2.命令或决心。所以我觉得这里不该用be doing表将来，而应该用be going to do(用迹象表明会发...

问题 情态动词的用法

...I would've thought that was pretty clear by now.1)我理解最后这句话的意思是“我本来认为这件事到现在很清楚了”。但我们老师说would have done表示本来该做却没有做时，would是“意愿”的意思，但无法理解这句话和意愿有什么关系，还请...

问题 been there的含义

...or a year. (been in there：一直待在某地)He's been there several times. (been to there：去过某地，现在不在那儿)我知道been to there的写法不规范，但是been in there应该是可以的吧？

问题 forget 时态的问题

...可以多选，B和D似乎都可以，只不过含义不同，首先A选项的forget一般现在时，这似乎不可以。forget to do sth是忘记要做某事，如果用了现在时，后面还加了不定式去表示要做的事情，这便不能叫忘。我推测的对吗？COCA语料库似乎f...

问题 as much as 怎么理解和分析

... are supposed to be born electricians, carpenters, plumbers and mechanics. When lights fuse, furniture gets rickety, pipes get clogged, or vacuum cleaners fail to operate, some woman assume that their husbands will somehow put things right. The worst thing about the do-it-yourself game is that somet...