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问题 情态动词后接完成式一定表示过去情况

书上说:情态动词后接完成式一定表示过去情况,不能表示现在情况;同样,情态动词若不是后接完成式就不能表示过去情况,即使是情态动词过去式也是如此。对此,我不是很理解,请专家老师解释分析一下,非常感...

问题 It is convenient to sb to

I don’t think it is convenient to him to meet her at the station. 我认为他去车站接她不是很方便。 请问这里为什么 to sb to do sth 呢?英语不是通常要 for sb to do sth

问题 并列play the piano and violin可以省略冠词

表示弹钢琴和拉小提琴时,是说成 play the piano and violin,还是说成 play the piano and the violin,换句话说:并列play the piano and violin可以省略冠词

问题 情态动词 need 过去式是 needed

He needed not buy such a big house.请问这句话有错

问题 关于abililty后面偶尔接of doing sth权威例句

...,一直没弄明白:有不少书说 ability 后面通常接不定式作定语,但偶尔也接 of doing sth。但我查了很多资料,只在国内书上见到过有人说“偶尔”也接 of doing sth,从未在英语国家出版书上看到过后接 of doing sth 说明或例。今...

问题 demand of和 demand for 区别就是名词短语和动词短语区别

问题 field of endeavor是“从事领域”意思

One must turn to the ancient world to recognize that the greatest contributions in any field of endeavor have come through discovery rather than invention or advancement.请问"field of endeavor"翻译成中文什么意思?

问题 名词有原形和语法形式这一说法

我们知道,动词有原形和语法形式,那名词有原形和语法形式这一说法?比如,句子中不可数名词是语法形式,而不是原形;复数可数名词是原形基础上加上了s.有这样说法?感谢老师回答。

问题 In the last act和on the final act of the play介词问题

1. In the last act, a gaoler would always come on to the stage with a letter which he would hand to the prisoner.2.The curtain went up on the final act of the play and revealed the aristocrat sitting alone behind bars in his dark cell这里为什么一个 in,一个 on?

问题 句中on短语什么意思

...nating the need to store the buffer stocks of extra components that result when specialized equipment and workers are kept constantly active. on single machines怎么翻译 做地点状语?方式状语?谢谢

问题 有无介词有何区别?

When you go on a holiday, it's always a problem to decide_________.A. where to live     B. where to live in  请教老师, A和B都是对?如果都是对,有无in有何区别?谢谢老师。

问题 请问如下主动表被动合理

The rolling foothill country of north Georgia was plowed in a million curves to keep the rich earth from washing down into the river bottoms. 北佐治亚连绵起伏山麓地带被犁成了无数弯弯曲曲地垅沟,这样说,对自己那使肥沃土壤不致被冲洗到河床里去.

问题 Really? 为什么能单独做一个句子?它符合英语句子语法结构

“Really?”为什么能单独做一个句子?它符合英语句子语法结构?如果符合,请说一下是那种结构;如果不符合,请说明原因。辛苦各位老师了!十分感谢!

问题 with表“因为”时候可以跟on account of替换

His mother retired early on account of poor health. 句中on account of可以换成with保持意思不变

问题 various和varied表示“各种各样”时有区别

various 和 varied 这两个词都表示“各种各样”,它们在法上有何区别?谢谢!