be used to do 被用来做某事
be used doing 一直习惯于做某事；
used to do过去常常做某事（现在不做了）
相关介绍
I used to play football after school.过去我常常在放学后踢球.
He used to live in the country.他曾经住在农村。
He is used to living in the country now.他现在习惯了住在农村。
be used to do 被用来做某事
be used doing 一直习惯于做某事；
used to do过去常常做某事（现在不做了）
I used to play football after school.过去我常常在放学后踢球.
He used to live in the country.他曾经住在农村。
He is used to living in the country now.他现在习惯了住在农村。
