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问题 be能否去掉

Honored guests were invited to be present in this banquet.

问题 如何区分since是“因为”还是“自从”

Bombs packed with nails terrorized Brussels on Tuesday in the deadliest assault on the European heartland since the Islamic State’s attacks on Paris four months ago, hitting the airport and subway system in coordinated strikes that were also claimed by the militant extremist group.请问：(1) sin...

问题 几组表意相同的介词用法区别

...几组表意相似的介词向老师请教1.in和into和inside和within2.upon和on3.on和onto4.nearby和near请问老师这几组词中每组词词和词间有什么区别？在哪些情况可以互换？还有一个疑问就是既然有介词了，为什么还会出现合成介词这个概念？为...

问题 一般将来时的句子中什么时候要加be

请问一下：一般将来时的句子中什么时候要加be？例如： He will be back in two days. 句型是 主语+will+动词原形+其他，back已是动词为何加be?

问题 see sb be doing sth对吗

可以在 see sb doing sth 的 doing 前面加上 be 吗？当然肯定不能加上 to be，因为这样用的不定式不能带 to。比如：We saw some students be playing in the park.这是算错误？还是不能算错误只是算罗嗦？ 

问题 be的用法

What good will it be for someone to gain the whole world, yet forfeit their soul?赚得了全世界，而毁掉了自己，又有什么意义？请问老师be在这里是什么用法？如果是it is n for sb to do sth 为什么不用is呢

问题 关于 like / as 作“像”时的词性(介词/连词) 及对应用法

...p of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of life.其中disappearing in to the water是定语修饰water的不？ 所以相当于like➕名词n.那么这个句子里like是介词？所以后面加名词？ 那我想问如果 把disappea...

问题 替代词问题

If these trousers are big, buy a smaller pair. 老师请问这句话能否改成 If these trousers are big, buy smaller ones.

问题 修饰复合不定代词的形容词要后置（详细举例）

高中英语新教材人教版必修一p6：There’s always something exciting to do.我知道修饰复合不定代词的形容词必须后置，但一般的举例都是事物，很少见到用于人的。即使是用于事物，也都是一些老掉牙的例句，比如There is something wrong wit...

问题 marry与be married的用法

老师我想问一个问题，就是 she is to be married next month 这句话中she 是主语，is 是系动词，那 to be married 是充当表语吗？是否可以写成 she is to marry next month? 这里的be married 是被动的意思吗？望老师能给我仔细讲一下 marry 的用法，...

问题 状语的修饰问题（being present at the creation）

Being a teacher is being present at the creation.请问 at the creation 状语为什么修饰的是 is being present？

问题 be但是动态还是静态

语法书上说be动作是静态动词，为何你完成时态可以像动态动词那样表示“已完成的影响用法”，He has been to Beijing。其一般时也可以像动态那样表示“重复性动作”，He always be serious while working.

问题 being用法疑惑？

这是教美式发音的美国老师说的：I was being extra clear.上面这句话，美国老师的意思是指当她说“can't”的时候，说得特别清楚。那么为什么会出现一个being? 这是什么用法? 怎么理解？如果说成I was extra clear， 不行吗？ 这2句话有...

问题 only to do sth只表示出乎意料的结果吗

老师说，only to do sth 是一个比较特殊的不定式结构，只用于表示一种意想不到的结果。如：He hurried to the house only to find that it was empty. 他急忙赶到那所房子，却发现空无一人。He returned after the war, only to be told that his wife had left him....

问题 more作为代词用法的疑问

...语，这里more默认就是钱，对吗？比如：John is smoking more now than Mary is doing.这里more默认就是香烟，对吗？