My note (can't buy some food)

My mother, she was so sad
I tried to make her glad
But it only made me feel so bad
My mother, she was in tears
She was worry on her lonely fears
My mother, she was in laughs
She (was) not knowing
If (she) smile or if (she) cry
My mother, she had a lot of thoughts
When she saw what my note did bought

My note cant buy some food
My note can't buy some thought
When I caught my note
Who saw started to laugh
I know that is so little
Less then to buy some bud
My money can't buy a cockroach
My note can't buy some food!