If the driver —— —— yesterday,the traffic accident ——happen

问题描述:

If the driver —— —— yesterday,the traffic accident ——happen
如果昨天那个司机慢点开车的话,交通事故就不会发生

If the driver —more— —slowly— yesterday,the traffic accident —didn't—happen主句应该是 过去将来时从句是一般过去时