used to do sth. 是一个固定结构,意为“过去常常做某事”,表示过去的某种状态或经常性、习惯性的行为或者动作,并意味着这种状态或动作目前已经不存在,所以它只能用一般过去时,不能用现在时态。
你过去对我那么好。
You used to be so kind to me.
[巩固练习]
(1)我过去常常通过电子邮件和他保持联系。
(2)我们过去常常在公园里打牌和下中国象棋。
(3)这个地方过去是一所学校,但是现在已经变成一个机场了。
(4)过去从无锡坐火车去北京要花上十多个小时。
(5)你知道它过去像什么样子吗?
答案:(1)I used to keep in touch with him by e-mails.
(2)We used to play cards and Chinese chess in the park.
(3)This place used to be a school, but now it has become an airport.
(4)It used to take more than ten hours to take a train to Beijing from Wuxi.
(5)Do you know what it used to look like?