since then用什么时态

文/鲁映彤

Sincethen前后一般接现在完成时,表示从那以后。例句:Ford has changed since then. 自从那以后,福特有了变化。

since then用什么时态

since then一般用什么时态

since then意为 "从那时以来",通常与动词的现在完成时连用,指从过去某一时刻起到现在为止的一段时间。

since then的用法例句:

Since then, he has developed another bad habit.

从那以后,他养成了另一种坏习惯。

He hasn't come close to those numbers since then.

自那以后,他从没有达到那赛季的表现。

Ah, times are greatly changed since then!'

“啊,从那时起,世道可变得多厉害呀!”

since的用法

1、Since作为介词后接某一确定的时间点,主句谓语动词是持续性动词,常与现在完成时态、现在完成进行时态或过去完成时态连用。

例如:

He left the village in 1982 and I haven’t seen him since then.1982年他离开这个村子,从那以后我再没见过他。

She’s been working in a bank since leaving school.她中学毕业后就一直在一家银行工作。 He had spoken to her only once since the party. 自从那次聚会以来,他只跟她说过一次话。

2、Since作为副词 表示从过去以来、以后或到现在的情形或状态,常与现在完成时态连用。

例如:

He left home two weeks ago and we haven’t heard from him since. 他两周前离开了家,到现在我们一直没有他的消息。

He came to Zhenjiang 6 years ago and has lived here (ever) since.他6年前来到镇江,从此便住在这里。