今天我们继续学习一般过去时的Be动词。Be动词的过去时根据人称的变化将做出如下改变：I was（我是），He/She/It was（他/她/它是），You were（你是），We were（我们是），They were（他们是）。一起来学习如下例句：I was a good student.（我曾是一名好学生）My brother was a good student.（我哥哥曾是一名好学生） I was home yesterday.（昨天我在家） My mom was home yesterday. （昨天我妈妈在家）They were friends.（以前他们是好朋友）We were friends.（以前我们是好朋友）The cake was very good.（这个蛋糕很好吃）The computer was very fast.（这台电脑以前很快）They were at the beach.（他们在海滩）They were at the mountain. （他们在山里）We were in Shanghai yesterday.（昨天他们在上海） My mother was in Beijing yesterday. （昨天我妈妈在北京）My friends were at school.（我朋友们在学校） My boss was at the office yesterday. （昨天我老板在办公室）