It has be come much cooler. 天气变得凉爽多了. 请问这句话是不是有错?

问题描述:

It has be come much cooler. 天气变得凉爽多了. 请问这句话是不是有错?

it becomes much cooler 就可以了
如果用完成时,那就是 It has become much cooler