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问题 过去完成时的用法

For a generation, China’s government had persuaded its married couples that “one child is enough”.这句话中，had persuaded属于过去完成时态的哪种用法，是否可以改为过去式？

问题 from...to 属于什么类型的状语

It varies from situation to situation.请问大家，from...to这个属于什么类型的状语？

问题 correctly可用于句首吗？

...龄。 Is the battery connected correctly? 电池的连接正确吗？ Be sure to place them correctly. 务必把这些东西放对地方。 Did I pronounce your name correctly? 你的名字我念对了吗? Have I pronounced your name correctly? 你的名字我念得对吗？ 但是，corr...

问题 关于插入语和begin的用法问题

Crutzen has suggested that the Antropocene began in the late 18th century, when, ice cores show, carbon dioxide levels began what has since proved to be an interrupted rise. 此处的ice cores show为什么要作插入语，另外有begin后可以接宾语分句吗？

问题 表示职位的名词前面加不加介词的问题

A supporter of Julius Caesar, he was appointed one of the triumvirate after Caesar's murder.通常我们都知道sb be appointed as ...为什么这里as省略了呢？

问题 不定式做宾补还是目的状语的区分

There are social media distractions on the same machine that they are supposed to be using to do their work.请问老师to do their work是做宾补还是目的状语？有没有区别两者的好方法？

问题 thankful for 在后面没有宾语的情况下可以省略么

比如 We all have a lot to be thankful for. 后面的for 没有宾语可以省略么？或者说此处的a lot 是宾语所以不能把for 省略对么？

问题 形容词后面是什么从句(sth is good that...)

The evidence is good that most personality traits can be altered.形容词good后面的that从句是什么从句吗？

问题 这句话为什么用不定式作后置定语

Towns also have their own special probelms.Here are some to be found in London now.这句话中为什么会用不定式作后置定语，而不是用过去分词作后置定语

问题 过去分词逻辑主语是什么

‘It is the voice of my child!’ cried the White Queen by the fireplace.cried the white Queen by the fireplace 是过去分词作状语吗？请问过去分词逻辑主语是什么？

问题 逗号后that从句如何理解

Perhaps he thought the young man would not have the courage, that he would funk it.请问老师，that在句中做什么成份，是什么含义？

问题 in 加一段时间

It would strike twelve in twenty minute's time.出自新概念英语第二册第9课。这里in twenty minute's time=in twenty minute=after twenty minute =twenty minute later。我的理解对吗？

问题 关系代词只能用that吗

询问一个语法知识:老师们好，我想问下这种情况下关系代词只能用that吗？I have only read it in some book that discuss future technology.

问题 the number of goods

Amazon has expanded the number of goods it produces itself.这里为什么是the number of？外刊打错了？

问题 neither的否定意义

______ Austin had made no grammar mistakes in his thesis paper, but had he well prepared for it. A so     B neither      C both      D either请问这个为什么选B呢?