It was said that he liked outdoor sports, which he used to hate very much.
请问这里的 used to 用得对吗? 这里的used to 仿佛是表示“过去的过去”呀，像过去完成时的使用方法。谢谢各位专家的解答！
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.
他们说他过去常常在三更半夜外出。
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，他以前是在家经营网上业务的，但常常感觉时间紧迫，由于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岁的小孩子在同意采访时称，他常常到本·拉登的生前居所串门。
Somebody said he used to work on a nuclear submarine.
据了解，他过去在核潜艇上工作过。
“Our family is very poor”, said Niaz Mohammad, a nine-year-old who said he used to help his father beg.
“大家家非常穷”，9岁男生尼亚孜·穆罕默德说，他一直帮着他爸爸乞讨。
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，过去老婆常常去狱中看他，但自儿子马克去年年底自杀后，她就没来过。
