if it won't rain tomorrow,we'll go for a picnic.这句话那错了?won't变doesn't 为什么呢?
问题描述：
if it won't rain tomorrow,we'll go for a picnic.这句话那错了?won't变doesn't 为什么呢?
答
把won't 改为doesn't就对了.在if条件句中,一般用一般现在时表将来