1.1、过去常常做某事 used to do 2、习惯于做某事 be used to doing 3、被用来做某事 be used to do sth 这主要是考察单词“use"的用法。“used to d..。
2.过去常常:used to do
3.used to do 例子: "I used to do this rather regularly, particularly with shoplifters, " the judge said. “我以前经常这么判决,特别是对那些商店扒手。

1.The past often
2.used to +动词原形,表示过去常常。。
3.过去常常做某事是 used to do 要是过去常常使用什么呢 比如人们过去常常使。

1.used to do 或would do I used to stay up till midnight. I would go to the library on Sunday when I was in college。
2.过去常常in the past used to
3.used to do sth 过去常常做某事 eg. The old man used to walk in the park. 那个老人过去常常在公园散步。 used to doing sth 习惯于做某事