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问题 这个句子中的had 是做插入语用还是谓语？

……a dear old lady who had always been so kind to everybody, had，in her youth,poisoned every one of her five husbands.这个句子中的had用法不太明白，如何理解？谢谢

问题 than后面的is为什么不省略

What genetic modification seeks to do is modifying corps in a more planned way than is possible by merely selecting healthier seeds or by producing hybrids of successful plants.这里than后面的is为什么不省略?

问题 it is said在句中的用法

My colleague, Mr. Hill, has a small but well-chosen library, where it is said he spends most of his spare time developing his mind.老师好！这句话中的it is said是插入语吗？

问题 have静态动词的问题

1、have不是静态动词吗？为何能够用于进行时，如：my son's having problems with his reading and writing2、静态动词是指一直持续的状态并且不太可能改变吗？

问题 ID cards复数问题

You can pay with cash or your ID cards.你可以用现金或者身份证支付。为什么这里的ID cards身份证要用复数？不是只有一张身份证吗？

问题 being 的一个用法疑问

请问being在这句话中是什么词性，什么意思？谢谢！ Over concern with being perfect can damage our confidence if we never achieve it.  在这里being perfect是词组吗？

问题 不定式作定语和状语都是表示将来吗

1.The game was a great joy to watch.2.The cake was decorated to look like a car.请问老师：1句不定式作后置定语是表示还未发生的动作吗？但是这句话是过去时态，说这句话的时候如果“看”的动作未发生，该如何理解句子？2句的不定式是作什...

问题 leading 和leadership的区分

在党的带领下：under the leading / leadership of the Partyleading是lead的动名词形式，用在这里是否对？leading和leadership的区别在哪里？

问题 for himself的理解

He wanted all the running of the business for himself.这句话答案解析说for 引导的短语表示对象，for himself在这里是亲自的意思吗？怎么理解答案说的"表示对象"？

问题 as 从句问题

The runaway success of The Pickwick Papers, as it is generally known today, secured Dickens’s fame.请问老师：这句话的as引导的是比较状语从句吗？如果是定语从句，是不是应该去掉as后面的it？as是表示”正如“吗？

问题 从句的范围

1、He saw that the boy was playing football, which was not white.请问老师，that引导的完整宾语从句是the boy was playing football，还是the boy was playing football, which was not white？2、He saw that the boy was playing football, which is a good habit.playing football是整体作...

问题 More than 50 years可以用作主语吗

More than 50 years has passed since the end of the Second World War, but this is the greatest disaster in human history. More than 50 years可以用作主语吗？

问题 介宾短语和不及物动词+介词+宾语的区别

...且这个附加结构没名没姓的不知道划为什么结构）3. Talk with me 和 live in Shandong 这两个都是不及物动词后面跟的介宾，但是我们通过意思知道，第一个talk with me 是不及物动词跟介词+宾语，而后面的live in Shandong是in Shandong 做地点...

问题 taste 和try

The food in that restaurant is quite delicious. Let's ___ it. A try   B taste   这里选择A符合语境，B为什么不合适呢？

问题 to which的用法

The existing form to which a derivational affix can be added is called a stem. 这里的to which的用法我不明白，可以讲解一下吗？