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问题 句子纠错(涉及by与by the end of)

Following a year of fast development, by the first quarter of this year, China has had about 1,100 e-commerce websites.A．China has had about 1,100 e-commerce websites by the end of last MarchB．by the end of the first quarter of this year, China has had about 1,100 e-commerce websitesC．by the ...

问题 than比较分句省略主语的疑问(This result is better than ___ would probably be achieved by a vaccination policy.)

 下面的句子摘自剑桥语法第1122页，为什么这里要省略主语，它可不是比较对应项啊！This result is better than ___ would probably be achieved by a vaccination policy.

问题 ahead of与before和in front of的区别

ahead of与before和in front of的区别是什么？据我所知，before可以表示动态或时间，in front of可以表示静态。那么ahead of侧重什么？情不自禁做某事  can't stop doing sth  还是  can't help doing sth.  或者两者均是？小数后...

问题 可以用it is kind of sb to have done sth吗(不定式用完成式)

关于前面讨论的“it is +形容词+ of sb to do sth”句式，我也有一个问题，那就是其中的不定式可以用完成式吗？比较：It was kind of them to help me. It was kind of them to have helped me. It was nice of you to come. It was nice of you to have come.&...

问题 再次提问上次的考研长难句(On first hearing...)

On first hearing, this was the socially concerned chancellor,trying to change lives for the better, complete with "reforms" to an obviously indulgent system that demands too little effort from the newly unemployed to find work, and subsidises laziness.【参考译文】乍听上去, 这是...

问题 非延续性动词能构成非谓语动词短语，它带的时间状语对它本身的动词有影响吗

老师，非谓语短语动词的非延续性动词能构成前置定语，但它能构成现在分词短语或动名词短语吗。为什么完成式的现在分词短语不能作后置定语，一定只有及物动词才可以构成过去分词短语吗，非延续性动词构成过去分词短语...

问题 向曹老师请教when/while/as引导的时间状语从句时态的问题

注意：我说的将来时是指will do/would do/will be doing/would be doing我的疑问1：如果主句不用将来时，那么主句和从句的谓语动词都是持续性动词，那么主从句都是要用一般现在时对吗？ 进行时也可以吗？请说明原因我的疑问2：如果主...

问题 请问in that从句后的and，这里that的省略对不对

请教老师，这是一本词典中的例句：The two sisters differ widely in that the younger sister is a night person and the older a morning person.在我的记忆中，and若连接并列从句，第一个从句的that可以省略，第二个则不能省略，否则会和主句的主谓结构...

问题 A truly useful reference book that any white-collar worker should have close to hand.

A truly useful reference book that any white-collar worker should have close to hand.close to hand 是作副词来修饰have吗，这个that作为一个同位语从句，have后面也不能接形容词了啊，它是同位语从句省略了it吗，have it close to hand。同位语从句可省略it...

问题 对in+一段时间用法的疑惑（请曹老师赐教）

in +时间段，既可以表示事件在这段时间结束的时候发生（即某某时间之后），也可以表示事件发生在这段时间内。谓语可以是将来时，也可以是一般过去时。区别的要点1是看谓语动词表示的是延续性事件还是非延续性事件；2 ...

问题 so that引导目的状语从句和结果状语从句的区别

▲看了一些书上介绍的关于 so that 引导目的状语从句和结果状语从句的区别，但未能解决以下问题（分不清这些 so that 引导的到底是目的状语从句还是结果状语从句）：1. Your task is to interchange words so that the sentence makes sense.2. He pu...

问题 have a bearing on/with中介词的选用

▲下面一句中的 have a bearing with 用得对吗？Wang Yi said the peace and stability of Afghanistan has a bearing with security in western China and,more importantly, peace and development of the entire region.  王毅表示，阿富汗的和平与稳定，事关中国西部的安全...

问题 比较状语从句的正误判断及相关小问题（涉及as, than）

请问以下五个句子有无错误？ 1. I think I have made as perfect a plan as it is possible for any other colleague to make. （it 需要不需要，如果可以省的话是不是必须省略？） 2. 现在的母鸡比以前的母鸡下的蛋更大 The hens lay eggs of bigger si...

问题 几个分词和动名词的问题(请曹老师回答)

您好，曹老师，几个动名词和现在分词的问题，请您回答下了：1. 动名词作定语通常是不及物动词，如fishing rod。那么有没有及物动词作定语的情况呢？如filtering net，转换为net that is used for filtering sth，这个我感觉是错的，但又...

问题 I lost all the strength I had left 其中的left是谓语动词还是过去分词作宾补

We began swimming towards the voice, but as we were swimming, I lost all the strength I had left, and soon was underwater when I felt a strong arm again carry me to the surface.上面句子中的定语从句 I had left 其中的left是谓语动词还是过去分词作宾补。我觉得是谓语动...