以下句子中的used to就表示“过去的过去”。said是过去，used to 是过去的过去。如：

They said he used to go out in the dead of night.

他们说他过去经常在三更半夜外出。

Sanchez said he used to go to the movies with his wife, Tillie.

桑雀兹表示，他过去时常和老婆泰莉去看电影。

He said he used to run his web business at home, however, he was constantly pressed for time because the wholesale market where he got his supplies was too far away.

他说，他以前是在家里经营网上业务的，但经常觉得时间紧迫，因为批发市场离他家太远了。

The BBC interviewed a 12-year-old boy who said he used to visit the building where bin Laden had died.

据英国广播公司报道，一名12岁的小男孩在接受采访时称，他经常到本·拉登的生前居所串门。

Somebody said he used to work on a nuclear submarine.

据说，他曾经在核潜艇上工作过。

“Our family is very poor”, said Niaz Mohammad, a nine-year-old who said he used to help his father beg.

“我们家很穷”，9岁男孩尼亚孜·穆罕默德说，他一直帮着他父亲乞讨。

Roberts said he used to live in Kingston.

罗伯茨说他曾在肯辛顿住过。

He said his wife used to visit him frequently, but she stopped after their son, Mark, committed suicide at the end of last year.

他说，过去妻子经常去狱中看他，但自儿子马克去年年底自杀后，她就没有来过。