"The verb to be"

Today I am
Tomorrow I will be
Yesterday I was
This is the verb to be or not to be

Today you are
Tomorrow you will be
Yesterday you were
This is the verb to be or not to be

Today he is
Tomorrow she will be
Yesterday it was
This is the verb to be or not to be

Today we are
Tomorrow we will be
Yesterday we were
This is the verb to be or not to be

Today they are
Tomorrow they will be
Yesterday they were 
This is the verb to be or not to be

Today we will learn the verb to be
Tomorrow we will also be to be to be
Yesterday we sang the verb to be
This is the verb to be or not to be.........