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问题 has been great 和 are great 含义理解上的究竟有什么区别？

...imes of covid》I work from home full time, so does my husband, so getting the kids outside during the pandemic with their friends and biking and socialdistaning has been great.这里用 has been great 现在完成是暗示对现在的影响吗？如果改成一般现在时are great, 含义上有什...

问题 持续到现在的动作可用一般过去时吗 和现在完成时的区别是什么

... 今天查阅earnings时看到 麦克米伦的一条例句：      Over the last decade, earnings rose faster than prices.      我读PEU的相关讲解，与一段时间连用的是现在完成时：I have know her for years.      麦克米伦的例句可改为 完成时吗？     Over ...

问题 这是两个时间状语还是后面的时间短语作定语修饰前面的时间短语

...师证明第二个时间结构是定语，或承认其也是时间状语。The submarine was found on August 11, about 15 hours after it had departed Copenhagen. （By Susanne Gargiulo, Katie Polglase and Laura Smith-Spark, CNNUpdated 1213 GMT (2013 HKT) October 7, 2017） Clark Count...

问题 五大基本句型中的S+Vt+O结构判断（涉及可能的形式主语和不定式）

It takes about half an hour to get to the airport.It takes courage to speak out against the tide of opinion. It costs a fortune to fly first class. 这三个句子属不属于简单句五大基本句型中的S+Vt+O结构？to do不定式作主语，用it作形式主语？

问题 几道语法选择题求解

求几个问题解答! 谢谢！1． They discussed _______ they could settle the problem without others' help.A、ifB、thatC、whatD、whether2．A college-level course of study intended to provide students with general academic knowledge ___________ occupational training.A、other thanB、rat...

问题 不定式to clinch national projections. 这里是表示“出乎意料”的结果吗？

But as votiing officials made their way through hundreds of thousands of mail-in ballots, the count shifted dramatically in Biden's favor andPennsylvania's 20 electoral votes put Biden over the 270 he needed in all to clinch national projections.不定式to clinch national projections. 这里是表...

问题 be+adj+to do 结构中，不定式是表示原因吗？

I feel very proud to be a part of the team. 能成为队中的一员我感到十分荣幸不定式相对于主句谓语，是表示后于谓语发生吧？那么不懂的是：在这个例句中（很多类似的be+adj+to do...），不定式to be a part of the team 中be的发生时间是晚于谓...

问题 it指代什么(为什么需要一个it来做形式宾语)

...______ if you were watching your favorite TV program and someone came into the room and just shut it off without asking you?A．them        B．one        C．those        D．it本题答案选D，答案解析写的是 it 做形式宾语指代 if 后面的句子。请问老师...

问题 would have done 可以表示过去将来完成时吗？

... us of your own free will it would have been a different thing," said the baronet, "you only told us, or rather your wife only told us, when it was forced from you and you could not help yourself.""I didn't think you would have taken advantage of it, Sir Henry -- indeed I did...

问题 call sb to do sth与call to

请问下面两句的意思有何区别？ He called the driver to stop. He called to the driver to stop. 当然，以上两句的根本区别在于call sb to do sth与call to sb to do sth的区别。

问题 关于 including...短语的句子成分

...的短语不一定是定语。比如：He has a lot of books, but none of them are useful.这个句子中的 but none of them are useful 可以转化为定语从句 none of which are useful，但我们不能说 but none of them are useful 就是定语。——这是我的疑问之一。问...

问题 一句完形填空的理解（涉及in oen's own right)

...New forms of international management have not been studied very much in their own right—for example,             on the use of accounting and other information to evaluate performance.A. little research has been undertakenB. a little research has been unde...

问题 Which do you enjoy to do sth/doing sth句式分析

..._（度过你的业余时间）, playing cards at home or taking a walk in the park?  (spend)可以理解正确答案是：不定式做目的状语。但是为什么不可以填spending 呢？You enjoy spending your spare time in playing cards at home or taking a walk in the park.这样不...

问题 为什么come这个动词可以用作现在完成进行时？

I've been coming to Fort Defiance for about five years.It was one of the places that when I first was considering moving to Red Hook.注：Fort Definace 是一家餐馆；Red Hook是一个地名。1）为什么come这个动词可以用作现在完成进行时？ come是短暂动词，用作现...

问题 think of, think about 和 think 后面接宾语究竟有什么使用和含义区别呢？

...美式发音的美国老师说的：1）Can you think of more words like these ?2）Think about everything in the face and neck, being relaxed and the placement low.上面的句子用think不行吗? 为什么非要在后面加上of, about 呢？请教老师，think of, think about 和 think 后面...