was和were是动词be的过去式，用来表示过去的动作或状态。
一般现在时：I am，You are，He/She/It is，We are，They are
一般过去时：I was，You were，He/She/It was，We were，They were
was和were都可以用来表示过去的动作或状态，但是was用于第一人称（I），were用于第二、三人称（you, he, she, it, we, they）。
例句：
I was happy yesterday.
You were late for school yesterday.
He was very tired after the long journey.
We were excited to go to the beach.
They were busy preparing for the exam.
