work
1. statements:

Afirmative : 10
I am at school
We are the students
You are at work
They are from Mexico
He is at house
She is a ballerina
It is on the desk
I am a big country
We are stealingThey are married

Negative : 10
I am not school
We are not the students
You are not at work
They are not from
MexicoHe is not at house
She is not at ballerinaIt is not on the deskI am not a big country
We are not stealing
The are not married