应该是be used to 和used to 的区别;
be used to 后跟名词或
动名词(doing /n. ),表示“习惯于”某一客观事实或状态,不强调动作,to是介词,后面接名词或动名词.如:
He is used to hard work. 他习惯于艰苦的工作.
She is not used to eating Chinese food. 她不习惯吃中餐.
used to后跟动词原形,表示过去的习惯性动作,过去如此,现在不再这样了.常译作“过去常常”.如:
He used to play basketball when he was young. 他年轻的时候常常打篮球.