The life he was used to( has changed )greatly since 1992,
问题描述:
The life he was used to( has changed )greatly since 1992,
为什么括号里是has changed ,而不填have changed ,change changing
答
第一 主语是 the life .he was used to是The life 的修饰语而已 ,所以 不用have 用has.
第二 since 就是完成式的标志 当然是不能用不适合时态的 changes 和 is/was changing
更何况是完全错误的change和 changing