Recently,our class has had a heated discussion about .此句话为什么会出现 has had 是什么用法
问题描述：
Recently,our class has had a heated discussion about .此句话为什么会出现 has had 是什么用法
答
has had是现在完成时,has是助动词,表示时态；而现在完成时之中,has后面的动词要用过去分词形式,has的过去分词是had,所以出现了has had的用法.
这句话的意思是：我们班最近举行了一场关于……的激烈讨论