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问题 as though用于虚拟语气的时态疑问

在主句为一般过去时的句子中 as though 引导的状语从句如果用虚拟语气谓语可以不是 have done 而是 did 吗?But what else could they do on that dark winter's day when the last of their store of grain was gone, when the trees were cut and sold, when he had sold everything,...

问题 介词since可以后接副词作宾语吗？

Since用作介词时，通常是后接名词、代词、动名词作宾语。如： I’ve worn glasses since my childhood. 我从小就戴眼镜。 We’ve come fifty miles since lunch. 我们午饭后走了五十英里了。 She’s been working in a bank since leaving school....

问题 since being done的用法疑问

He has been feeling a dull pain in his chest since he was brought there.请问这句可以转换成下面这样的句子吗？He has been feeling a dull pain in his chest since being brought there.换句话，如果主句主语与since从句的主语相同，从句的被动语态可以换成 since b...

文章 since究竟指向时间段的哪个点位（I）

since究竟指向时间段的哪个点位（I）■倪肖丁费致德教授著《现代英语惯用法词典》（商务印书馆1981）指出：因为since后接时间段时，从该时段的终点算起，所以It is five years since the boy was a young pioneer意为“这个男孩不当少先队...

问题 since做副词

Weaver has since died of a heart attack, and the case remains open.此处的since是不是单纯作为副词，表示类似于“那会已经”的意思？

问题 What have you done since then? 和 What have you been doing since then?的区别

老师您好~What have you done since then? 有这种用法吗？若有，什么意思呢？What have you been doing since then?又是什么意思？另外，终止性延续动词，能和一段时间连用吗？此处do是否是终止性延续动词？谢谢。

问题 welcome/since用法疑惑

...2次印刷 p301页有这样一道例句：It's some considerable time since I have spoken to you on these matters.自从我对你讲了这些问题，已有相当一段时间了。请问一下这里的 have spoken to 是持续动词还是短暂动词呢？我们都知道在It is/has +一段时...

问题 关于since的歧义句

以前在高一课本看到的一句话：That's changed since I was here.网上说这句有歧义，分两种情况：1. That's changed since I was here last time.2.That's changed since I was here and I didn't see.老师们可以帮忙分析下吗？感谢！

问题 关于since的句式

It is/has been 一段时间+ since 从句 since一般用现在完成时，在这里为什么可以用it is 呢？为什么可以用一般现在时呢？

问题 请问此处的Since when，后面省略了什么？

Monica: You will never see me naked.Rachel: Since when?Joey: Since always.上下句是这样的。还有就是，请问可以直接这样提问吗Since when?省略了主语，谓语...谢谢老师解答

问题 since的用法

语法上since后面加上延续动词或状态的动词的过去式表示动作结束以来，那么 I have known her since I was a little boy. 请问这句话能翻译为：自从我是一个小男孩的时候我就认识她了  有问题吗？

问题 有关since从句的问题

今天看了这个网站关于since从句的解读。请问曹荣禄老师所说夸克关于since的解读是在a comprehensive grammar of the English language一书的clause of time的time relationships里吗？

问题 not long since 是什么意思

It happened not long since.这句话对吗？not long since 是什么意思？

问题 since时间从句

在含有since的时间状语从句中的主要分句能用一般过去时和用完成时有什么含义的不同？The annual assembly was held outside the Chinese mainland for the first time since its establishment in 2018.与主句改成现在完成时有什么具体语义上的不同？

问题 关于since

老师，可以说It will be five years since he left Beijing.吗，那it is going to be five years .呢，有一道选择题的选项就是it is going to be five years since he left Beijing.老师没说为什么不选这个，希望您能解析地清楚一些，谢谢老师！