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问题 虚拟语气中的时态问题

...+过去分词吗？是答案有误吗？2.He left orders that nothing______touched until the police arrived here.A.should be   B. ought to be答案是A, 请问老师为什么不能选B?

问题 动名词前用宾格代词与物主代词的区别

I told her that I was so sorry for ______ saying such things to her.A. me    B. my答案是 B，但为什么不能用 A 呢？

问题 同位语的不定冠词问题

1."lt's kind of growing out of the crunchystage of yaga to the Starbucks stage," said Bill Harper,publisher of YogaJournal. 2."..,"says Patrick Wong,an assistantprofessor at Northwester University,who was not invovled in this study. 为什么第一句publisher前...

问题 引导地点状语的连词在句中做成分与否

地点状语的连词通常有where, wherever,anywhere, everywhere 当上述连词引导地点状语从句时是否在句中做成分？通过例句来看 where在从句中时做状语。We must camp where we can get water.You can go where you want to go.

问题 have always been (done/doing) 区别?

1这2个结构,用在现在时态时，always还有什么作用，可以去掉吗？2have always been doing 和 have always been done意思一样吗，是否可以互换？比如这个例句：She's  always been willing to lend him  a hand whenever he's in difficulty.

问题 将来完成时用shall和will有什么不同？

By six o'clock we shall have got everything ready.1。shall have got 比用 will have got有什么不同吗？2。另外还想问一下got在这里是什么意思？为什么ready前不需要to be, 难道got作系动词？

问题 例句中为什么使用进行时

...t giving much milke these days.2. The crews of two boats are getting ready to sail off the harbour.请问这2个例句中的进行时是什么作用，第一句已经交代了these days，为什么还有进行时？ 而第二句“变得”这个词怎么也可以进行？

问题 against 和 on/upon 这里可互换吗

He sat down beside Christina, propping his feet up on the railing, feeling the warmth of the sun against his face, able to relax for the first time in days.句中，against可否换成on/upon, 二者使用在本句中，含义究竟有何差别？

问题 ​用现在完成时和过去时都可以吗

—When did you move to Sanya?—In 2008. But I _______ in Tibet for 8 years.A. has worked B. has been workedC. have been working D. worked用现在完成时和过去时都可以吗？

问题 定语从句问题：demonstrate后面能跟定语从句吗

Numerical simulations are performed to demonstrate that the proposed scheme can guarantee the stability of closed-loop systems.我在demonstrate后面加一个定语从句来描述，不知道是否可以。中文意思：应用仿真来证明了提出的控制方案能够保证闭环系统的稳定...

问题 动词need在否定迁移中如何与后面成分搭配

老师您好：有这样一道选择题：I don’t think he ______ a new bike.   A. need to buy      B. needs buy     C. need     D. need buy 答案是A，但是我认为C和D也可以，请求解析一下！ 

问题 pay his way through...如何理解

看到有一句话：He used the earning from farm to pay his way through earning a bachelor of science degree from the University of Nebraska. 字幕意思大概是：他用农场收益支付大学学费并获得理科学士学位。对于这句话这里为什么使用单词way和through及其含...

问题 signed proposal（signed是形容词还是过去分词）

Give the signed proposal to Mr Zhou.这是高中英语新教材译林版必修1第1单元的两个句子(p8)。这里的 signed 是过去分词吗？还是形容词？我在词典上没有查到它，说明它还不是形容词吧。

问题 of what 这种结构后面的东西怎么翻译比较通顺

A newly-passed law asks big fast-food chains to specify the calorie count of what they serve on the menu. 句中的 of what 这种结构后面的东西怎么翻译比较通顺?

问题 what-从句作主语时的主谓一致问题

“What may seem like small messages at the moment add up to big ones over time,” says an expert.请问老师：这里是what引导的主语从句What may seem like small messages at the moment，后面却用动词原形是不是不对？要改为adds吗?