时态问题(涉及since的主句用现在进行时)
You are looking much younger since I saw you two years ago. 这句中 are looking 是不是应该改为 have looked 才正确,我记得从句用 since, 主句用完成时
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
since与after引导从句时的区别
_______ I finished there,I have been working for a travel agency in my country organizing tours and excursions for touri
not since是什么意思
Well, sir, you'll be covered with cobwebs if you go into it. Why, it hasn't been opened for nearly five years, not since
关于下面这篇文章的三个疑问与for的意思
下文是《新外研社八年级下册Module 4 Unit 2》中activity 2的课文: Healthy living I was not feeling very well so the doctor checked my heart a
如何区分since是“因为”还是“自从”
Bombs packed with nails terrorized Brussels on Tuesday in the deadliest assault on the European heartland since the Isla
介词since不能用在句末吗
前面有朋友问了一个关于 since when 的问题,这让我想起了另一个与 since when 相关的的语法难点。 你是从什么时起开始住在这里的? 误:When have you lived here since? 正:Since whe
副词since可以用作后置定语修饰名词吗
In the days since, the Shanghai Composite has barely budged, rising 1.2 per cent this week. 在本句子中,since 是作为副词作后置定语修饰名词 d
since(自从)的主句谓语动词可以终止性动词吗
Since I left school, my parents have started to treat me like an adult. 自从我离开学校后,父母就开始把我当大人看待了。 since 的意思是“自从……以来(一直)”,从
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
since可与过去完成时连用吗
老师说,since 通常要与现在完成时连用,不管 since 是介词,还是连词,或是副词。 Since when have you lived here? 你是从什么时起开始住在这里的? You haven’t changed much s
since主句的现在完成时可以用has had to吗
He has to move about in a wheel-chair since five years old. 按语法规定,这个句子不太对,因为 since 前面的句子应该用现在完成时,但这个句子的谓语是 has to,它如何变为现
since的用法有哪些 例句汇总
since的用法:与since+时间(起点)连用,表示自…以来。与since+一段时间+ago连用,表示自…以前就…。与since+从句(从句用一般过去时)连用,表示自某事发生后就一直…。
since的用法时态 具体有哪些用法
since一般用于“现在完成时”或“一般现在时”。当since引导的从句用一般过去时,主句通常使用现在完成时。此外,since还可以用于表示“自从”的意思,通常与现在完成时连用,表达从过去某一时间点开始,持续到现在的状态。
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
这个since的主句为什么不用完成时态?
当since表示“自从”时,它的主句谓语总是要用完成时态的,但是下面这句中,主句却用了现在进行时,请问这是为什么? House prices are rising for the first time since November. 房价自