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问题 necessary for / necessary to 的区别

The equipment necessary for Wi-Fi service is so heavy and thick that airplane engines must burn more fuel to carry the extra weight.这个句子里面的 for 可以改成 to 吗，如果不能，能具体说说这两个介词在此类问题的时候，应当选择哪个呢？有更多关于这两个...

问题 generally用于进行时态疑问

The fact that I can't drive my car and am generally having to cut down my activities activities isn't as bad for me as they think it is.generally译为“通常”应该用于一般现在时，而这里用于进行时态，请教各位老师！

问题 插入语和宾语从句

...support,either through gay/lesbian groups at school or simply because more same-sex couples live in the area,new research has fund.这句话当中的they feel 是插入语吗？可以不可以这样理解 they feel that they have some support.... 这样就把后面的they have some support 看作一...

问题 最高级用法（同时涉及其前the的有无）

I go to the market, find what is best and what is the best price, and buy it.请问划线部分，为什么  ①要用最高级，而且  ②划线部分的best不加the？又例如： Parents always privide what is best for their child and they do hope their child's life can be better...

问题 不合逻辑的否定句、否定疑问句、感叹疑问句辨析

...nse wouldn't he talk ! 可否？(3) 感叹疑问句：What would I not have given to be able to say the rules without a mistake !赵振才书上说，这类感叹疑问句中的否定词not必须采用缩约形式n't， 但为什么上句would I not分开了而且没有缩约写成wouldn'...

问题 这里的to be found如何理解时间概念？

This scholar, to be found daily in the British Museum, has devoted his life to the history of science.如何理解这里的to be found...? 这里的to be found 是指“将来“被发现的： 时间上是指将来的含义吗？如果是这样，整个句意怎么翻译和理解呢？

问题 不定式作定语可以表示过去时吗？

The only one from her class to graduate with honors, Ms. Thomson now runs one of the largest businesses in the world.to graduate with honors表示的是过去的事情吧

问题 extend for 还是 extend to 辨析

"Ghost nets" are a serious problem along Australia's northern coastline; they can extend formore several hundred meters in length.为什么不是extend to ? 而是extend for 呢？我查询了词典，有如下2个例句：The caves extend for some 12 miles. 这些洞穴延伸约12英里。来源：...

问题 关于悬空不定式反射不定式的问题

...定式作定语，加上不定式的宾语就是语法错误。例如：I have some letters to write. 正确I have some letters to write them. 错误这不是觉得矛盾吗？到底悬空不定式能不能作定语呢？

问题 如何判断how在句中作成分

...w foolish I'd been. （how foolish作i'd been 的表语）You have no idea how worried I was. （how worried 作 i was 的表语）The hotel does employ humans, though Alibaba declined to specify how many it employs.（how many 作it employs的宾语）how...分句在我理解...

问题 句子成分分析

The agency has been vilified by some doctors for being unnecessarily slow to approve life-saving drugs.请问大神，此句话的语法成分，特别是to和for短语。

问题 关于现在分词和过去分词

请问老师，这道题:_____of their bad habits, the boys switched from being dependent on their parents to sacrificing for others.  A. Having rid  B Rid 到底是选A还是B呢？我看网上这两种答案都有，求助老师解答。

问题 sth is important for sb to do sth 对吗

...老师帮我看个句子。Keeping a positive attitude will be important for everyone to get through this difficult period. 后面不定式的复合结构的句子成分是什么？我觉得原句不对，应改为：Keeping a positive attitude will be important in everyone getting through this diff...

问题 to 和 for如何辨别

做题的时候遇到好多介词填空，辨别to 和 for 请问老师 这两个介词 要怎么理解呢？我的理解是：to 表示方向感 如 Give it to me. 指的是给向我这个方向 for表示 为了 如 I bought a gift for you.暗指有所准备 不知道 对不对 ...

问题 be found后用不用to be有区别吗？

比较下面的两个句子，一个用了to be，一个没有用to be，它们有区别吗？The box was found empty.The box was found to be empty. 请老师解释，谢谢！