用used to be+adj used to do sth 造句

My sister is used to be a quiet. 我姐姐以前是很文静的.
He used to go swimming. 他过去常常游泳
另外used to do sth和used to doing sth是有区别的
used to do sth 表过去常常做某事
如：He used to go swimming. 他过去常常游泳
used to doing sth 表习惯做某事
如：I used to going to school on foot 我习惯走路上学.

上面的前一句错了。He used to be out-going.

He is used to be a teacher.
He used to swim in the river when he was small.