use to do sth 跟 use to doing sth 的意思?
问题描述:
use to do sth 跟 use to doing sth 的意思?
答
used to do 跟 be used to doing 完全没有关系.used to do 意思是“‘以前常’做某事”.既然是‘以前常’,所以本来就只有‘过去式’,没有‘现在式’.(英文的某些动词习惯上只能用‘过去式’.).didn’t you use to ...