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since后面加什么

2023-12-30 14:06 430浏览

since后面常常接“过去的时间”,但是这句话本身往往是“现在完成时”,这种情况下 since 意思为“自……以来”。

since后面加什么

1、since+时间点,要求谓语动词用现在完成时,而且必须是延续性动词。

2、since+一段时间+ago,要求谓语动词用现在完成时,而且必须是延续性动词。

3、since+从句,要求主句谓语动词用现在完成时,而且必须是延续性动词;从句谓语动词用一般过去时,而且是终止性动词。

4、It is/ has been +一段时间+since从句,意为“自从……以来已经(多久)了”。

Example: I have stayed in that country since 1995. 

从1995年以来我就在那个国家了。

Example: They have lived in that house since two years ago. 

两年前他们就住在那座房子里了。

Example: Lily has stayed at home since she left school. 

莉莉离开学校之后就一直待在家里。

Example: It has been three months since he moved to this city. 

他搬到这个城市已经三个月了。

since有哪些用法

1、since后加时间点

She's been off work since Tuesday.

自从周二以来,她一直未上班。

We' ve lived here since 1994.

自从1994年以来,我们一直住在这里。

That was years ago. I've changed jobs since then.

那是多年前。自从那时,我就已经换了好几份工作了。

2、since之后加一个事件,代替时间

I haven't eaten since breakfast.

自从早餐之后,我就没有吃饭。

Since the party, she had only spoken to him once.

自从晚会之后,她只和他说过一次话。

3、since 后加动名词

He has been working in a bank since leaving school.

自从毕业之后,他就一直在银行工作。

4、since用在疑问句中

Since when had he ever listened to him?

他何曾听过我的话?

5、since 用作连词,引导时间状语从句

Cath hasn't phoned since she went to Berlin.

自从卡斯到了柏林之后就没有给我打过电话。

It was the first time I'd had visitors since I'd moved to London.

自从我搬到伦敦以来,我第一次有客人到家。

It' s (has been)twenty years since I saw her.

自从上次看到她以来已经20年了。

How long is it since we last went to the theatre?

自从我们上次去看戏,多久没有看戏了?

6、since 还可以用作副词

We have never seen each other ever since.

自那之后,我们再也没有见过。

since的短语搭配

Since many 出自多;来自多;外射门自多

Ever since 自从;正在翻译;从那以后

Since childhood 自幼;自小;自小时候

since both 因为这两种;因为两者

Collaboration since 自协作;自从协作;协作自

Since Technology 圣驰科技

president since 自总统;总统以来

Sculpture Since 西方当代雕塑