be used to 有两个意思，1）be used to do...被用来做 。。。 2）be used to + n/ doing 习惯于...要表示父母过去怎么样，现在怎么样，用be used to 无法写的，只能用used to 写。My parents used to be peasants. They used to work day and night. They used to live a poor life, though. There used to be no enough food in my family. So my parents used to suffer from hunger often. W...
