找到约 22000 条结果

问题 must be与must have been的区别

She must have been fifty or so when I first met her at a conference.请问这句话中谓语为什么是 must have been,而不能是 must be?

问题 Be upset by/at/about/with 搭配的区别？

请问be upset 此时是被动吗？ 后面搭配 by /at / about /with 翻译过来都是因...而沮丧，那它们有什么不同之处？

问题 It may be that……中that的作用

It may be that much harder to change to a more constructive behavior.句中that应该是引导一个句子吧？但that 之后并无主语。如果是从句，那先行词是it吗？

问题 It may be that……中that的作用

It may be that much harder to change to a more constructive behavior 句中，that 应该是引导一个句子吧？但 that 之后并无主语。如果是从句，那先行词是 it 吗？

问题 这个时态是否是错误的

赵俊英的《现代英语语法》上有这样一个例句I returned all the books which are written in English to the library.are written这样使用对吗？根据一般的规则好像不对，但是这里是否是那种类似于“客观条件”等等之类的原因

问题 both all 的用法问题

老师好   we are all friends 和 we all are friends 哪个对？我认为都对，第一句all 是限定词,第二句all是代词作同位语，我的分析对吗both也是同理吧

问题 介词区别

介词about和on都有“关于”的意思，前者比较随意，非正式，后者比较严肃。of也可以表示“关于”，比如，有关雷锋的一本书a book of LeiFeng.请问在表示“关于”这个意思时of与about、on的区别？谢谢

问题 be动词省略问题

Many large rivers were straightened and their beds deepened.后面那一句是不是省略了were，完整是说成their beds were deepened吗？如果是省略were，那为什么可以省略呢？

问题 如何理解分析have it still be grammatically correct 这一语法结构？

...bout their biased reporting....and we can always drop IN and have it still be grammatically correct.write to:2）I wrtote to the paper to compain about their biased reporting.请教专家老师：1) 如何理解分析have it still be grammatically correct 这一语法结构？我感觉应该是：ha...

问题 作状语的 looked at 与 being looked at

Looked at his way , the situation doesn't seem so desperate.这里的第一个单词为什么用looked  不可以用being looked？

问题 be suited/suitable/fit for 短语辨析含义和用法？

下面3组短语都有“适合”的意思，但是究竟有什么“本质”的用法区别呢？be suited forbe suitable forbe fit for 

问题 for the time being可否用在一般将来时

They ______ with us for the time being .A. would stay                              B. will stayC. have been staying                D. will be staying答案为D。选D我能理解。但...

问题 句子 166,000 times 中being produced做什么成分的请教

...ctive: that’s the equivalent of all the data in the Library of Congress being produced more than 166,000 times per 24-hour period. 请问 in the Library of Congress是不是做all the data的后置定语？being produced 和more than 166,000 times分别做什么成分？谢谢。

问题 play with a basketball为什么要用冠词

Little Tommy was playing with ______ basketball alone while his father playing ______ piano just now.A. the; x        B. x; the          C. a; the          D. x; the答案为C，第一空为什么用冠词a？谢谢！！

问题 be born + adj

老师您好!She was born deaf.她生下来就失聪本句中was born充当谓语部分，那么deaf (adj)在句中的位置是什么呢？这种句式如何理解盼复，谢谢！