问题 since从句的对应主句用过去完成进行时

当 since 从句用一般过去时的时候，它对应的主句通常是用现在完成时或现在完成进行时的。如：She has played the piano since she was a child. 她从下就弹钢琴。I’ve loved you ever since I met you. 自从我见到你，我就一直爱你。They’ve moved twic...

问题 这里的should be中的should何意

...ript it was added that, if Mr. Bingley and his sister pressed them to stay longer, she could spare them very well. -- Against staying longer, however, Elizabeth was positively resolved -- nor did she much expect it would be asked; and fearful, on the contrary, as being considered as intruding themse...

问题 关系代词指人时用which和that的区别

He is no longer the man_____ he used to be.经查阅资料，我自己的理解是这样的：那么在这个句子中，应该是限制性定语从句，那么为什么空格处不能填which呢？在限制性定语从句中，两者都可用that或省略应该是指在which/who的基础上，还...

问题 句子前后时态不一样（过去进行时+一般现在时）

But since then, while the glaciers were retreating, they are looked at as a beautiful thing, which they definitely are. 老师好，请问，这个句子的前后时态不一致是什么情况？前面还是were doing，后面就成了一般现在时...

问题 句子结构

... when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.这句话前面是根据上文省略了动词并且倒装了吗，后面when这里为什么有逗号隔开，when后面接哪里...

问题 里面好几处介词有点不懂

...he 21st century.（此处 in slavery不理解）3.      This unusual performance includes much singing, frequent samples of Gullah as used in the marketplace or between women gossiping.A great deal of emphatic body language, and even occasional tribal dance steps to thumping drums and enth...

问题 定语从句since when

就是这道题，能不能填since which（虽然答案里没有这个选项，我就是想问一下）。since when＝since which time，那我直接填since which可以吗？用which指代1946，把这个1946就相当于普通的名词。然后就相当于The book was written in1946,and since 194...

问题 since ; as 表示原因时,可以接名词短语吗?

They had their best suits on because of the celebration.They had their best suits on for the celebration.They had their best suits on (since / as) the celebration.如果用since 和 as 后面可以直接跟 the celebration吗?  还是需要加什么介词吗?

问题 请问在这里过去分词表示的体的意义

句子：The redefinition is a task uniquely performed by the young.以下为学生个人判断：performed by the young，过去分词短语做后置定语修饰a task。perform为终结性延续动词，过去分词表示被动语态，且动作已完成。但是套入句子中翻译却感到奇...

问题 since做连词引导句子的时态问题

一般since引导的状语从句都是过去式，然后主句是现在完成时或者现在完成进行时如：So much has changed in the sport since I was a teenager.但有看到过是引导的句子是现在完成时的而非过去式Since you're finished the work, you may leave anyime1、...

问题 短语中的since the 1930s做什么句子成分？

A center of heavy industry in China since the 1930s划线部分是什么句子成分？是定语吗，还是状语，还是无动词分句？谢谢老师回答。

话题 performing solitary miracles，形容词修饰动名词疑问

问题 since 从句翻译疑问

...语语法》赵俊英编著P301页：在这种句型中，要特别注意since-从句动词用一般过去时和现在完成时两种不同时态时所表达的不同意义。试比较：a. It's/has been five years since they lived here. 他们离开这里已经5年了。It's/has been five years sin...

问题 with作定语吗

Then, after the easy rolling Midlands, the dramatic Peak District, with its genuine steep slopes, never fails to astonish me, for I feel that it has no business to be there. easy  rolling在这是什么词性？with its genuine steep slopes作定语吗？

文章 英语基础语法快速入门——倒装

...，如果将never, seldom, rarely, little, hardly, scarcely, no sooner, no longer, nowhere 等含有否定意义的副词若位于句首，则其后的句子要用部分倒装。如：后来我再也没见到过他了。I never saw him again. →Never did I see him again. 他很少出去吃饭。He ...