找到约 13000 条结果

问题 表否定时为何没有don't

1. He pretended not to know about it.该句是否可说成：He pretended that he doesn't know about it.2. He pretended don't know about it.这句话错在有 pretend、do 两个动词了，所以错吗？关于否定的基本概念有些模糊。

问题 为什么把hear of看作是短语动词

I never heard of anybody doing that.hear of; hear 与 of 关系不密切，hear 是及物又是不及物动词，为什么要把 hear of 相当于一个动词短语？

问题 a+序数词怎么翻译

..."感觉没"学第二种语言"好。还有We'll have to do it a third time我们不得重做一次，书上是这么译的。谢谢了！

问题 make it about us是什么意思

What we wanna do here is we want to make it about us in terms of seeting the rules, as parents.老师这句话中的make it about us是什么意思？

问题 改错问题

...vel regions. 查过字典，mobilize在作“战时动员”并不能接to do作宾语补足语，该处是否用法错误或者作其它成分？！！！ 以上两段出自中国日报同一篇文章，请老师解疑！！！

问题 作目的状语的不定式可以省略 to 吗

比如下两句中加粗的 to 可以省略吗？He went out to do some shopping. To get a good seat, you need to arrive there early. 

问题 动名词的一般式与完成式

我想问一下 I do not recall ever having met / meeting him. 为什么两种都可以？是不是动名词的时态和不定式的时态一般式都在一定情况下可以替换为完成式？完成时的动名词可不可以做主语？

问题 非谓语动词做定语的问题

...here is a kind of false precision being hawked by people claiming they are doing ancestry testing," says Trey Duster, a New York University sociologist.请问老师，上述句子中为什么要用being hawked做precision的定语？不能直接用hawked吗，这已经表示被动了呀，为什么...

问题 名词所有格和of 表所属可以互换吗

比如she proved strong enough to do the work of a man.这句话中the work of a man可以等价于a man's work 吗？

问题 分析一个短句三个从句(who和that引导)

Sometimes it is the people who no one imagines anything of who do the thing that no one can imagine.这是 it is ... who... 强调句吗? 请问如何分析句中的多个从句, 谢谢!

问题 一道非谓语动词的选择题

— Li Hua is said  ______ abroad for four years. Do you know which country he studied in?— Australia.A. to have studied    B. studying  C. to be studying        D. having studied请问选择哪个？为什么？

问题 worth的用法

...weeks worth of running practice the day before a track meet, how well do you think you'd perform in your races?请问老师这里的worth是什么用法？没有worth会影响理解吗？这里的the day是 on the day的意思吗？

问题 have to如何理解在句中的用法

In Kurdistan you have some problem that you have to, if you want to do business, if there’s planning and you give its billing.

问题 填动名词还是动名词的被动式

_________（expose）to sunlight for too much time will do harm to one's skin. 为什么填 being exposed 而不是 exposing？

问题 there be句型的特殊用法

____How much milk do we have in the refrigerator? ____Not much.____ A.Only one quart there’s left B.It’s left only one quart C.One quart is only left there D.There’s only one quart left