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问题 代词it可以代替动词或动词短语吗

...替名词或代词（以及相当于名词或代词的词）。He banded the box before mailing it. 邮寄前他把盒子用带子捆扎好。Leave that vase alone or you’ll break it. 不要动那个花瓶，要不你会把它打了的。This matter is finished, so please don’t refer to it. ...

问题 动名词的having done

...etted not having gone to university.  /I appreciate having been given the opportunitiy to study aboard. 都是完成时动作先于谓语动作。 然而，像这样的句子，Do you remember John and his father coming to see us last Christmas？这里的coming to...肯定是发生在remembe...

问题 主语为动名词的句子改为一般疑问句时是否采用形式主语it

例如：Setting the matter is our prime objective. 如果这个句子采用一般疑问句结构，必须采用形式主语吗？

问题 为什么 everybody后面不能用 his or her 来指代

PEU第三版有这样一句：When everybody had finished eating, the waiters took away their plates. 每个人都吃完了以后，服务员就把他们的盘子拿走了。(不能说：…his or her plate.)

问题 条件状语从句是一般现在时为什么主句不用将来时态

If you don't eat meat, this tour is not for you as the Inuit live on animals, birds and fish. (Inuit-因纽特人） 主句为何不用一般将来时。我记得条件状语从句用一般现在时，主句应该用一般将来时。

问题 As you will have noticed…为什么用将来时态

有这样一个句子:As you will have noticed, there are some gaps in the data. 你也许已经注意到了，数据里有些缺漏。这里的 as 是什么从句？它为什么用将来完成时？这个 will 用得对吗？谢谢！

问题 关于 feel sorry for / about 的用法疑问

老师好，The girl seemed to feel sorry for him.首先 seem 与 feel 我认为在本句中都做系动词，seem 的表语是介词短语 to feel sorry for him，而 feel 的表语是形容词 sorry，这样理解是否正确？feel sorry for sb 对某人感到遗憾feel sorry about sth 对某事...

问题 现在分词一般式与完成式的用法疑问

They hoped he would own up to having told the lie.I think that's what he said, but I can't swear to having heard him correctly.这两句话中的tell和hear为什么要用现在完成时？不能直接就telling, hearing吗？是不是在介词后面的动词只能用现在完成时表示过...

问题 如何分析 come one's way 的用法与意思

Some good luck came his way. They gladly accepted whatever money came their way. The instructor put off driving every student who came his way. 这几个句子是什么意思？come one's way 怎么理解？come 是及物动词吗？

问题 Legend has it that...是什么句式（it是形式宾语吗）

Legend has it that the Dragon Boat Festival originated long, long ago. 传说龙舟节是很久很久以前开始的。请问专家，这是什么句式？如何分析？it是形式宾语吗？

问题 怎么区分while引导的是时间状语从句还是条件状语从句

怎么区分 while 引导的是时间状语从句还是条件状语从句？Some people waste food while others haven’t enough.一些人糟蹋食物而另一些人却食不果腹。We must strike while the iron is hot.我们要趁热打铁。

问题 结构分析：I Just came back last Sunday.

...么结构？介宾？状语？能不能列举所有情况？3.He failed in the exam.是主谓介宾还是主谓状语结构？

问题 连词和状语从句可以构成插入语吗

Iconoclasts, either because they were born that way or through learning, have found ways to work around the perceptual shortcuts that plague most people.                               阴影部分：是插入语吗？还是状语从句啊？              ...

问题 关于过去分词作定语的与谓语的时间先后问题

老师您好，我有一个疑问，比如：The broken cup is mine.这个broken表被动、完成，是先于谓语is的。但是举个例子，He faced with so many difficulties looks worried，这个faced with so many difficulties是he的定语，那么faced with so many difficulties不是一种...

问题 death toll是数字时后面该不该再用数字加people

The final death toll came to 2,743 people—almost all New Yorkers.这是《经济学人》里的句子。我认为这里有people不太规范，应该去掉。各位大咖专家老师怎么看？多谢！