used to do sth,意为过去常常做某事,现在已经不再做了;be/get used to doing sth,意为现在习惯做某事;sth be used to do ,意为某物被用来做某事。
一、used to do sth:过去常常做某事,暗示现在已经不再做了。
1、used to do sth表示“过去常常做”与would do sth的`区别是表示“过去的常常做的动作”时,常用would do sth.其它都用used to do sth.
例句:when he was a child ,he would go camping in the open air.
当他是孩子时,经常到户外宿营。
2、there used to be sth+地点,表示某处过去常常有某物,暗示现在已不存在。
例句:There used to be a temple on the top of Tian zhong Hill.
天中山顶过去有一座寺庙。
二、get/be used to doing sth.(现在)习惯做某事=be /get accustomed to doing sth.
例句:I get used to reading English every morning.
我习惯每天晨读英语。
三、sth be used to do 某物被用来做某事=be used for doing sth.
例句:Scissors are used to cut things.