关于used to do sth I used to like apple jam.be used to doing sthNow I am used to living alone. be used to do sth A brick is used to beat the persons you hate.
1. My grandfather used to smoke but he doesn't any longer. 我爷爷以前经常抽烟,但现在再也不抽了。2. My grandmother is used to living in the countryside. 我奶奶习惯了住在乡下。3. The toothbrush is used to brush your teeth. 牙刷是被用来刷牙的。