People aren't so kind as they used to be这里的used to be 如何理解

People aren't so kind as they used to be这里的used to be 如何理解 be used as .be used to .be used for .be used to doing.used t 用used to ,get used to ,be used for ,be used as ,be used by 的 “Families aren't families the way they used to be."的汉语翻译 如何翻译?People are richer than they used to be. be used for/be used as/be used to/be used by 的区别 用be used to,be used for,be used by,be used as,be used in 的适当 families aren't the ones the way they used to be翻译 You used to be quiet aren't you 英语翻译be used as to? We used to be so used to／be used to／be used for的区别