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问题 如何使用过去时

...。 Forgive me. I didnt know you were her mother. 为什么不用...you are her mother 呢？明明这是客观事实，且女儿也活着。 还有些句子像是 what I meant was... ，all I did was... 后面可以用 is 吗？我看了些例句都是用的was. meant ，did 都是是过...

问题 when引导的是时间状语从句还是定语从句

请问大佬们，这句话when引导的是时间状语从句还是定语从句啊？Overall, I think this is less likely today, when academic qualifications are essential for getting a reasonable career.

问题 it是做形式主语还是代词或是其他成分

That means price gains should moderate and it could take a while longer for homeowners who are under water to recover. 宾从并列句第二个里 “it”是做的形式主语 还是代词 亦或是其他成分呢？

问题 该用to use还是to be used

Additional combining forms are presented in this chapter to use in making words with suffixes. 此处to use应该是被用于的意思吧？是不是用to be use更合适？

问题 没有明确的时间标志词如何判断时态

What colour _____ you _____ this bookcase?  I _____ it pink.A. are; going to paint; am going to paint     B. do; paint; paint      C. did; paint; painted在这道题目中，没有明确的时间标志词，如何判断选项呢？正确答案选A

问题 英语冒号后面的句子是用大写还是小写

看到这样一个句子：His parents are very wealthy: they lack for nothing. 他的父母很有钱，什么也不缺。看到冒号后面的句子用了小写，觉得怪怪的，会不会是印刷错误？所以想请问一下各位朋友，英语冒号后面的句子是用大写还是小写？

问题 关于 be off on one's travels 的用法

He told me that his wife had been off _______ her travels.A. on        B. at         C. in          D. for答案是 A。为什么不可以用其他三个呢？尤其是 for 为什么不行啊？老师能用语料库搜一下吗？...

问题 两个what-疑问句的结构分析

请问这2个句子是什么句？它们的句子成分分别是怎样的呢？1. What king of advance planning could you do before going to a party in a foreign country？2. What encouraging noises and gestures can you make when you are having a conversation in Chinese？

问题 this is so中的so是副词吗

句子：But we are missing other kinds of evidence that would conclusively prove that this is so.句子末端的so是形容词表示“如此的”？还是副词“如此”，is后面的表语省略了呢？

问题 as的用法分析（as sb do)

Granted, it's difficult to single out a person out for their fashion choices, when they are wearing a uniform, as male politicians essentially do. 此处的as是什么意思，做什么作用？要怎么分析？十分感谢！

问题 这里的much如何理解和分析？

Nevertheless, for many of us, these casseroles are as much a part of childhood as Halloween and jump rope. 句中的much为什么可以用在a part of childhood前面？去掉much不是也可以吗？不懂的是，这种比较句中的much从语法上来说，究竟是什么词性？又起什...

问题 不及物动词emerge后面可以接宾语吗

 说老子的。He accordingly emerged a grown man with a full grey beard and long earlobes, which are a symbol of wisdom and long life。这里emerge各种词典查过了，是不及物动词，为什么后面可以跟宾语a grown man？

问题 关于情态动词表推测的时态问题

①He must have left Beijing,（hasn't he?）②A：Those tomatoes are huge!You must have watered them a lot!   B：Yes,I （did）.They ought to be ripe enough to pick by next Friday.为什么①用现在完成时，②用一般过去时，②能不能用“Yes,I have.”？

问题 物主代词不可以和限定词一起前置修饰名词吗

物主代词不可以和限定词一起前置修饰名词，但是为什么Her few friends are all fond of dancing.是对的?不应该是few friends of hers吗？

问题 并列不可数名词作主语时谓语动词用单数还是复数

老师们好，不同的不可数名词共同作主语，谓语动词用什么形式？Water, bread and sugar are/is food. 同样，不同的抽象名词在一块儿，谓语动词的形式是什么?