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问题 一般过去时 vs 现在完成时 存疑

It's a good job. Did you do it all by yourself?  干的不错。都是你自己做的吗？请问老师这句为什么不能改为Have you done it all by yourself? 现在完成时：过去完成的动作与现在有着某种联系。夸他“干的不错”不就是他过去的动...

问题 请问这句话里为什么没有冠词

but there is scant hard evidence to back this up请问这句话中为什么scant前面没有冠词我知道的类似句子是there is no evidence中，no作为形容词=not a所以没有冠词。那请问在这句话中是一样的原因吗还有就是什么情况下名词前面有形容词就不加...

问题 On an average month不定冠词an使用疑问

Versteeg further states, “On an average month we run about 2,000 items a day over our Oracle system.”这里为么要用不定冠词an, 如果不用有什么区别？

问题 accession to which是否视为同位语

Although related to the Convention in this way, the Protocol is an independent instrument, accession to which is not limited to States parties to the Convention. 这里的accession to which是否视为同位语？谢谢

问题 关于两个介词并列使用的例子

Students from seven different primary schools in and around the small town were warming up and walking the route through thick evergreen forest.本一句摘自2022年高考英语新全国卷2的读后续写的阅读材料。老师说句中的 in and around属于两个介词并列使用，它们带...

问题 what从句可以是缺少谓语吗

What the most important（主语） is（系动词） how to catch these chances（表语）. 这个句子我在 Grammarly 网站上查询时显示是正确的。那么主语部分 what the most important 是什么结构。如果是主语从句那么就缺少了系动词而且如果最高级做表...

问题 V+adv+prep中介词短语修饰什么

Now it’s their job to send it back to the margins. 请问send it back to the margins中to the margins是修饰send还是修饰副词back？ 类似的句型还有 put..away from,put..up for

问题 which和who是否可以充当定语从句的先行词

见过that充当先行词的情况（高中课文里有个句子：That wasn't a real diamond necklace  you borrowed from me.课本注释说，you borrowed from me是定语从句，修饰that)。不知道which和who是否可以充当定语从句的先行词。

问题 have been here是来了已回来还是呆在这里

We have been here for a few months already.我们已经来到这里几个月了have been here是来到这里，然后回去还是一直呆在这里？

问题 should、would、could、might 表示陈述语气和虚拟语气有什么区别？

...如：If she ____ rich now, she would help her father realize his dream of traveling abroad.如果她现在富有的话，她就会帮她父亲实现出国旅行的梦想。这里空格处是不是填 were 和 is 都可以呢？填 were ：虚拟语气用法；填 is：陈述语气用法；would...

问题 哪些词通常可以用 as 短语作宾补

 在一本语法答疑中看到：误：Tom was nominated as the dean. 正：Tom was nominated for the dean.正：Tom was nominated  the dean.事实上，我记得许多词是可以带 as 做宾补的。请问：那么有哪些单词可以呢？哪些不可以呢？依据是什么呢...

问题 be made to sth用法疑问

What changes should be made to the corporate culture so that the company’s performance can be further improved?be made to the corporate culture 介词to的用法，是否可以看成make sth for sb中介词for的用法？

问题 since的用法

老师您好，在经济学人看到一篇题目为：‘Time to end the academic arms race’的文章，其中有一点中有这样一句话：“As more young people seek degrees, the returns both to them and to governments are lower. Employers demand degrees for jobs that never required them in ...

问题 return,replace可以与副词back连用吗

1. She returned back to the office.2. She replaced the book back on the shelf.请问：句中的 back 是否是多余的？因为 return / replace 和 back 意思重叠。此外，有 return back 或 return sth. back 这样的词组吗？用法是什么？

问题 有关accompany by的用法疑惑(涉及词性问题)

词典上accompany只有动词形式，但是这样的句子却被用得很多：He will go to the concert accompany by his friendsThe chairman came to the meeting accompany by the finance director.如果 accompany 只有动词形式的话，上面的例句如何解释呢？