把一般现在时改为过去时

题目

把一般现在时改为过去时
I am a student.
____________________________________________________________________
He is a doctor.
____________________________________________________________________
She is a teacher
____________________________________________________________________
They are my friends.
____________________________________________________________________
Gogo goes to school by bike.
____________________________________________________________________
They play basketball.
____________________________________________________________________

答案

I was a student.
He was a doctor.
She was a teacher.
They were my friends.
Gogo went to school by bike.
They played basketball.