be used to do 中的 used 是不是形容词

be used to do 中的 used 是不是形容词 used to do used to doing be used to do used to do sth和be used to doing sth中的used是什么词性? be used to doing,be used to do,used to do,be used for,be use be used to中的used的词性 used to do ；used to doing ；be used to do ；be used to doing 几 急!求be used to do be used to doing used to doing be used for be used to do 和be used for的用法 跪求初三英语中used to do ,be used to do,used to doing,be used to do used to do,be used to doing和 be used to do的区别,并举例说明 used to do, be used to doing , be used to do 有什么区别? 英语词组辨析used to do、 be used to do 、 be used to doing