Many problems has been found with our new computer.The accident has been happened here.句子改错

问题描述:

Many problems has been found with our new computer.The accident has been happened here.句子改错
Many problems has been found with our new computer.The accident has been happened here.句子改错两句呢

has改成have
因为是许多问题,复数 many problems
been去掉
has happened ,happen是不及物动词,不用被动语态