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问题 have+done可以表示行动前的一个行为吗

请问一下。Early in the morning,having assembled outside the school gate,we headed straight to the destination.为什么要去having,have done不可以表示先集合再出发吗？谢谢了！

问题 Shall I show you how you swim?（句型判断）

Shall I show you how you swim?请问这是句型?为什么不是how to?

问题 游戏中比较口语化的英语句子分析与理解

今天玩游戏看到一个句子，  比较口语化，如何理解?句子是这样的:Hard to believe your father has died. 这句话是省略句么? 是否是省略了 IT's? 不定式引导的是真正的主语么？ 

问题 关于what的宾语从句问题

... —It's reported that Harbin will cancel the students who choose to study in non－designated schools(择校生). A.what's the hottest news  B.what the hottest news was C.what the hottest news is 老师，这道题为什么不能选A呢？

问题 有时候特指还是类指不好判断

比如，a book about a panda 这个a panda是不确定特指还是类指？根据语境吗？再比如这个句子:She will also share some experiences related to involvement of end-users in the design process in different scenarios of Brazil.end-users这里是特指还是泛指？

问题 as possible 可以单独使用吗

They wanted to make sure that this exhibition is comprehensive, in the timespan as well as including many different artistic mediums as possible.句末的as possible包括前面的as吗？如果是这样，前面就只有as well了。还是前面的as well as是不可分割，如果是这样的话...

问题 in a band的意思

they were found from there, in a band that spread east through various countries of theMiddle East,all the way to India.老师， 1，想问下in a band是什么意思呢2，这是什么从句

问题 ago 可以在现在完成时态使用吗？

...bee n decided long ago that the only liberty worth anything is the liberty to do right 的说法呢?

问题 改错题解答

　354.In 1978 a national study found that not only had many contractors licensed by a self-policing private guild failed to pass qualifying exams, they in addition falsified their references.　　A. they in addition falsified their references　　B. they had their references falsified in addition...

问题 句中为什么要用完成时

According to the latest figures, the majority of the world's population is now bilingual or multilingual, having grown up speaking two or more languages. 请问句中为什么要用完成时？是为了表示成长这个动作被重复很多次吗？为什么不用growing up？谢谢解惑

问题 if从句时态问题

1.If you have got exams tomorrow,why aren't you studying?2.She said if she had enough money the next year,she would go to Japan.老师,我对if时态有些不懂..比如第一句中,为什么从句完成时,主句进行时? 难道不该前后都用一般时态吗 (If you have exams tomorrow,why ...

问题 has with，其中with的作用

If countries sidestep licensing, as Argentina has with Sputnik V, too few people will trust vaccines to stop the virus. 我的理解：as引导的比较状语从句省略sidestepped licensing，后面的with可以理解为“Concerning; in the case of：关于、对于、对……来说”吗？如...

问题 句子成分的问题

This technology would give us the edge we needed to finally break free from the enemy.这句话不定式正确的分析是怎样的？我的疑惑是：是否能不将不定式分析为定语从句的成分，而单独分析为edge的定语？即这里edge有两个定语，一个是定语从句一...

问题 after引导的时间状语从句前后时态应该保持一致吗

Mike says he _____ (want )to be a worker after he _____ (finish )school.请问括号里应该填什么时态啊？after引导的时间状语从句前后时态应该保持一致吗

问题 经常看到sure后面接从句

I'll talk about them in a moment, but first I want to talk about what we do know or rather what we are pretty sure we know.we are pretty sure是插入语吗？At first I was not sure what growing season meant, just from the reading.这句话又该怎样理解呢？它更像是一个限定词?