do you know how the traffic accident was happened?这句话对么
问题描述：
do you know how the traffic accident was happened?这句话对么
答
是对的
答
不对 因为 happen是不及物动词
所以永远没有被动时态 应该为happened
答
这句话不对,因为happen是不及物动词,没有被动语态,所以应该改成
Do you know how the traffic accident happened?
即 把was 去掉