找到约 24000 条结果

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 of matter 怎么用

1. He understood the interaction of particles of matter, and that's important to set the stage for the Rutherford experiment in Manchester about 10 years later. 他理解物质粒子之间的相互作用，这点很重要,对于10年后他在曼彻斯特搭设,用于卢瑟福实验的平台来...

问题 afternoon 与 afternoons 用作状语的疑问

...副词)。如：I’m always busy afternoons. 我下午总很忙。He is in the office afternoons. 他下午总是在办公室。请问一下：单数形式的 afternoon 也可以用状语吗？上面两句中的 afternoons 可以换成单数形式的 afternoon 吗？谢谢老师解答！

问题 play the match用于被动语态

辅导书上的一个例句： The match will be played in the new stadium. 比赛将在新体育场进行。 play the match 可以这样用被动语态吗？谢谢！

问题 while做并列连词时前面必须有逗号吗

She thought I was talking about her daughter, while in fact I was talking about my daughter. 这是卷子上的一个句子，句子能看懂。请问老师 while 前面必须有个逗号吗？查了几个句子都有逗号。谢谢老师。

问题 you girls, they girls中人称代词的用法

You girls stand in the front row, will you?为什么用 you girls？那难道可有 they girls?反义疑问句为什么用 will you 结构？

问题 请教这里的分词是什么状语，又是如何判断的呢

Most of the Dominion populace accept Mengsk's rule, 【believing】 him to be the only leader capable of protecting them from the alien threats in the Koprulu sector.

问题 make sure 后面为什么用过去完成时

In future, I would make sure I'd checked out whoever was fitting it with their previous customers.请问 make sure 后面的从句中为什么用过去（完成）时而不用现在（完成）时？

问题 若过去的情况为客观事实该用什么时态

看到一个句子：The contribution of tourism to GDP was CNY1830 yuan in 2016.这里的 was，我有点理解不了。虽然2016是过去的时间，但是我是现在此刻在说一个客观事情，有必要用过去式吗？

问题 four years前面是否可以看做省略it was

In 1965, four years before Neil Armstrong walked on the Moon, Barbie became an astronaut. 这里的four years前面可以看做省略了it was吗？

问题 不定式所作成分分析

...g from learner centered progressive education to an emphasis on structured intellectual discipline to calls for radical reform in the direction of openness to the recently rally to go back to basics.老师好，请问最后to go back to basics作什么成分？如果是定语，那么与名次是什...

问题 worth与worth of的用法

老师好，下面句子里，Huge progress has been made against these diseases since an agreement in 2012 by pharmaceutical firms to donate billions of dollars’ worth of drugs. “billions of dollars’ worth of drugs”为什么要加worth of？直接说 billions of dollars’ drugs不行么？...

问题 分词短语 替代问题

① Taking off his shoes, Ram walked into the house. 为什么等于(=Having taken off .........)② Having broken her leg the last time she went, Lucy decided not to go on the school trip this year.  此处又不等于 （≠ Breaking her leg........）③ Having hunted close to extinction, th...

问题 bourgeois的是指中产阶级还是资产阶级

bourgeoisbelonging to the middle class中产阶级的interested mainly in possessions and social status and supporting traditional values追求名利且平庸的 supporting the interests of capitalism资产阶级的

问题 and是多余的吗（and to run pumps）

There is electricity in our house and to run pumps.这里为什么有and呢？去掉and不也是可以的嘛？