找到约 30000 条结果

问题 为什么once（曾经）连用一般现在时而不是一般过去时

... of the plants now farmed on a large scale were developed from plants that once grow wild.这个句中有once ,为什么grow用一般现在时而不用一般过去时？一般现在时表经常发生的动作或存在的状态，表日常行为、习惯、能力或客观存在。句中的一般现...

问题 关于have something done的区别

...uctures: doing it yourself, having it done for you.⑵ I will have it done tomorrow.请问⑴⑵句子中都是have sth done使役动词结构，为什么⑴的句意是自己做，而⑵的句意是让他人做，请问怎么作区分？

问题 get后面接动词ing的用法

...请问get talking with是固定搭配吗？2、coffee to get going in the morning  早上用来提神的咖啡请问上面的get going是固定搭配吗？

问题 作不定式中动词的状语的时态问题

IQ tests ask you to complete verbal and visual analogies, to envision paper after it has been folded and cut, and to deduce numerical sequences,among other similar tasks.这句话中after it has been folded and cut修辞to envision时为何要用现在时，不定式动词不是本来就没有时态...

问题 祈使句加and这个结构的疑问

我们都知道祈使句加and这个结构，比如说 Think it over and you will find the answer.但是这种用法省略掉了and，还对吗？比如  Do a test，you will find  out. 就像这样，如果没有and了，还成立吗？是否应该是 doing a test，you will find out？

问题 多个句子的连接问题(可以直接用逗号吗)

I have read Rock and Roll, it's awesome, thank you for lending it to me.这几句话可以直接用逗号连接么？或者我改成 Thank you for lending Rock and Roll to me, I have read it and it's awesome. 这样是否正确呢？希望可以从语法规则方面教我一下句子的连...

问题 evidence 的同位语理解

...d evidence that it helps shorten the duration of the common cold sometimes even by two to three days.我觉得：that后面的内容是要去收集 evidence（证据）来证明的东西，而不是等于evidence（证据）本身。我觉得evidence 有同位语从句，不像fact 与它的同位...

问题 in the smallest degree less...than...句式理解分析困惑

...uty by her, and must fret no longer.""But, my dear sister, can I be happy, even supposing the best, in accepting a man whose sisters and friends are all wishing him to marry elsewhere?""You must decide for yourself," said Elizabeth, "and if, upon mature deliberation, you find that the misery of diso...

问题 with 状语和as句子可以用and连用吗

With husband and wife both working,and as social services are not so developed in china,it is natural that...这个句子，为什么用and连接？with 状语和as句子可以用and连用吗？

问题 it would be amusing to play with them. 这里为什么用过去将来进行时态？

Thus he became the supreme propagandist of science and his name the great symbol of an almost blind faith in its possibilities. Thirty years ago, when I was a schoolboy, the ancient conservatism of man was still the normal inheritance of every child. We began to have electric lights, and telephones,...

问题 connect with的用法

A tourist is someone who travels simply to see and a traveler is a person who looks carefully, who observes with curiosity, and who seeks to connect with the place he/she visits, with its history, its flavors, and its people.connect后紧跟一个with，这是什么用法？后面还有个with...

问题 easy用作副词的疑问（be easy caught up-2017浙江卷）

...ful not to slow down. He saw a steep uphill climb before him. He knew that once he hit the hill, he’d be easy caught up and the wolf’s teeth would be tearing into his flesh. 对划线部分的 be easy caught up 有疑问，为什么不用 easily？虽然 easy 也可以用作副词，但书...

问题 词法问题

请解释这个句子中long ago的用法：Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace. 句子选自《新概念英语》4册第一课

问题 grow（系动词）的意思

And even a plant grows close together with others of the same kind.这里grows close 是系表结构吗？

问题 用 it 还是 them

They should clean the room and wash the clothes，because when they get older，they will have to do it. 这个句子最后一个单词it要改成them嘛，clean the room and wash the clothes.是两件事还是一件事？