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问题 关于as needed的用法

我看到一个说明书上有一句话：apply the cream on the skin of discomfort 3-4 times a day and thereafter on an as needed basis.这里面as needed是什么用法？

问题 独立主格的逻辑主语问题

I began to notice her at other times, basketball in hand, playing alone.请教曹老师，主句主语 I 和逗号后面两个状语主语不一致，状语是否漏掉了独立主格，应改正为her basketball in hand, her playing alone?谢谢老师。

问题 动词不定式在作表语或补语的形容词后作状语时，用主动形式表被动含义，请问此时不定式此时作的是什么状语

请问专家老师：动词不定式在作表语或补语的形容词后作状语时，用主动形式表被动含义，请问此时不定式此时作的是什么状语？

问题 as it is 是状语从句还是宾语补足语从句

We should keep the site as it is.这句话中的 as it is 是状语从句还是宾语补足语从句？

问题 为什么主语后面还用代词来重复它

The dictionary, it cost me 20 dollars.这个句子的主语应该是 The dictionary 吧，为什么还要用 it 来重复主语？

问题 副词very修饰代词many和little的疑惑

Have you done all these exercises ?No, I haven't done very many.这里的many是代词，为什么可以用副词very修饰呢？又如：Do you have money left ?回答：There are only a very little left. 或 I have very little left.这里的very little也是副词修饰代词吗？

问题 关于动名词 being 的省略疑问

....cpsenglish.com/question/58237陈才老师在解答中认为下面两句中的 being 可以省略：【1】Mary is afraid of (being) not lonely.【2】Mary is afraid of (being) not alone.我对此有疑问，我觉得上面句子中的 being 省略后是错误的用法。若认为这样用的动名...

问题 为什么这里用现在分词？

...cessarily be in adequate to explain it.我在牛津词典里面找到这样的例句:2.Many of these books are far removed from the reality of the children's lives.为什么这里例句2中用的是被动形式，而例句1却不行呢？

问题 反意疑问句用do you,will you,don't you的区别

—Alice, you feed the bird today, ________?—But I fed it yesterday.A. do you B. will you C. didn't you D. don't you为什么A、D不行？谢谢

问题 比较分句as little escape her as 如何分析理解

...as the cause can escape the effect. 可否？2) 第二个疑惑就是这里的little是副词，修饰动词escape的程度吗？是“几乎不“的否定意思吗？比较的就是“几乎不”的程度吗？3) 第三个疑惑就是为什么前面是could,后面用了can呢？

问题 短语动词为何没有 keep back someone

...ne out 或者是keep out sth/someone.但是keep someone back这个词条下只能把someone 放中间，不知道这是和何道理，That's the reason which keeps the man back为何不可以说keep back the man? 此词条意思阻止某人成功。下面的截图出自collins phrasel verbs dictiona...

问题 There be 句子为什么用一般现在时表示将来时态

请教老师：我在书上看到一个句子There's a concert in our city next month.产生疑问： 为什么这个句子可以使用一般现在时态的句子结构表示将来发生的事情。我的理解应该是There's going to be a concert in our city next month.

问题 情态动词might和must在选择题中的区别

I thought you ______ like something to read,so I have broght you some books.横线上可以用might吗，表推测。答案是 must, 为什么？

问题 as it did 的用法（新概念三第四课）

as it did in the case of Alfred Bloggs who worked as a dustman for the Ellesmere Corporation.as it did 是种常见用法吗？ 一般怎么用？

问题 require doing与require to do的用法区别

下面的句子摘自2018年高考英语天津卷阅读D:It takes practice and requires breaking some bad habits.请问这里为什么用 requires breaking? 难道不应该是 require to break 吗? 如果两者都对，它们有什么区别？