1. I am from Mexico. → I 'm from Mexico.
2. He is not Spanish. → He isn't Spanish.
3. They are from the UK. → They 're from the UK.
4. It is not Monday. → It isn't Monday.
5. She is American. → She 's American.
6. We are not Brazilian. → We aren't Brazilian.
7. You are from Turkey. → You 're from Turkey.
8. It is good. → It 's good.