解释一下used的所有短语的用法

解释一下used的所有短语的用法

be used to do……被用作……不定式表目的，可用于多种时态
used to do sth. 过去总做某事（现在不做了）只用于过去时态
be used to （doing ）sth.习惯于做某事，可用于现在、过去、将来的多种时态，be可用get become等来代替

used to do sth/used doing sth

be used to doing sth.used to do sth.

used used [just; ju:st] 形容词 (more ~; most ~) 习惯[于…]的[to] be ~ to ? 习惯于… get[become]~ to? 逐渐习惯于… she was ~ to her husband's silences. 她已习惯于她丈夫的沉默 after a while my eyes got ~ to the dark. 不久,我的眼睛就习惯于黑暗 i'm not [i haven't got] ~ to driving on the left. 我还不习惯于靠左驾驶 used [just; ju:st] 《源自 use v.i. 的过去式》 助动词 1 常常,经常,向来 we ~ to play in this playground every day. 我们过去每天在这个运动场上玩耍 i ~ to think i'd like to be a sea captain. 我曾经常想当船长 it ~ to be believed that the sun moved round the earth. 从前人们常以为太阳绕著地球转 2 从前是…,有过… the country inn was as pleasant as it ~ to be in the old times. 这家乡下小客栈一如往日令人感到愉快 there ~ to be a storehouse here. 从前这儿有一座仓库(现在已经没有了) used [juzd; ju:zd] 形容词 (more ~; most ~) 用过的,旧的,二手的 ~ cars 旧车 ~ tickets 用过的车票

1.be used to doing sth 2.get used to doing sth (这两个可以替换）习惯于做某事 3.used to do sth 过去常常做某事