Life is not easy,so I'd like to say " When anything ______ (happen) , believe in youself!"

Question

如题所述

Answer 1

What's
happened
这句话是现在完成时
因为那句话为一句谚语
所以此时happen应为一般现在时
又因为anything后的动词要用单三
所以用happens
区别在于时态