... used to + V ...

结构︰

主语＋used to＋原形动词…

说明︰

此句型意为“以前（常）…”。等于“<主语>＋would often＋原形<动词>”。这是一种表过去的经验的句构，对比地叙述过去与现在。而“would＋原形<动词>”也可表示过去的习惯，但“used to ...”比“would ...”规则。

He would sit for hours doing nothing.
他常常什么也不做，一坐就是好几小时。
Difficult problems used to take hours of work with pencil and paper.
困难的问题以前总是需要用笔和纸工作数小时。
There used to be a post office there.
以前在那里有一个邮局。
I used to (=would often) go fishing.
我以前常去钓鱼。
We used to hear the train whistle at night.
过去我们常会在晚上听到火车的汽笛声。

 

 

 


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