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问题 It is time to do sth 中的不定式是定语还是主语

 it is time to go home 这句话中 ，to go home是作为time的后置定语，还是作为句子的主语，it是形式主语吗？

问题 It...since...主从句时态问题，以及since从句可否使用“否定式”？

It's been a while since we haven't been out.我们好久没出去了。请教老师：1) since 从句可以使用“否定式”吗？记得好像语法书上说since从句不可以使用否定式。2) 上句可否改为It is a while since we were not out  ?  就是主从句时态...

问题 just do it和I do是代用式吗

请问老师，我们经常听说的 just do it 和 I do 是代用式吗？谢谢老师的回答。

问题 it is not easy being your age分析

为什么 it is not easy being your age用being 而不是加to？

问题 并列不定式结构中的第二个to可以省略吗

We are ready for co-operation, but we are not ready to surrender and to be the subordinate of Russia. 我们已经做好团结合作的准备，但是我们不准备投降成为俄罗斯的附属。第二个to可以省略么？因为前面已经有to了，这种结构的省略原则是什么？

问题 as词义的模糊性

... Monday, consolidating recent rises as late gains in Wall Street on Friday and a rebound in the commodities complex prompted some investors to hunt for bargains while the dollarstruggled.疑问：这个 as 很让人头疼，他的意思特别多。阅读时不光要确定他的词性，还要再进...

问题 同位语从句前面可以用冒号吗

Nicolaus Copernicus was frightened and his mind was confused. Although he had tried to ignore them, all his mathematical calculations led to the same conclusion: that the earth was not the centre of the solar system.句子来自人教版高中英语教材必修五的Unit 1。有人说句子中的 th...

问题 Where 前面为何添加逗号

...ilitary power, politicians beat war drums as our allies pledged solidarity and registered their disgust.译文：在华盛顿，恐怖主义敢死队严重破坏了美国军事力量的神经中枢，政治家们擂起了战鼓，我们的同盟国保证与我们团结一致，表达了他们对恐...

问题 get into the bus还是get onto the bus

表示上公共汽车，用get into the bus还是get onto the bus？比如：They got ______ the bus and went to the city. A. onto    B. into

问题 分析句子成分（特别是红色部分）

...platform refused to disclose who is paying for advertising on the platform and where thwey're running.但仅在两个月前，脸书还拒绝公开平台上购买广告的账号名称和运营所在地。Meanwhile, facebook's internal reserach shows that exposing users to voting reminders th...

问题 rise by +百分比的意思

As he took over the presidency, in 1933, unemployment started to fall and GDP began to rise; the latter rose by 9.5% a year in his first term of office. 1933年他就任总统后，失业率开始下降，GDP上升。在他首个任期内，GDP的年增速达到9.5%。 怎么理解ros...

问题 一般过去时和现在完成时的选择

All 12 boys and their coach from the Wild Boars soccer team are now free from the Thai cave that was/have been their prison for more than two weeks, in what has been called a modern miracle.个人认为现在的12个孩子被救出来了，那么这个洞穴是他们的监狱就是过去...

问题 形容词作主语补足语问题

And now the duke departed from Vienna under pretense of making a journey into Poland, leaving Angelo to act as the lord deputy in his absence; but the duke' s absence was only a feigned one, for he privately returned to Vienna, habited like a friar, with the intent to watch unseen the conduct of...

问题 three of us与the three of us

I waited until Tom and Jack arrived.Then _____ began to do the experiment.A all of themB the three of usC three of us  D both of us请问为什么不选A呢，B和C有什么区别呢？

问题 as many voters identify themselves as in...语法上对吗

 And today, almost twice as many voters identify themselves as independents than as members of either the Democratic or Republican parties.这句话语法上对不对？