I don't have lunch at home. I have lunch in the company's canteen.
He doesn't eat meat. He's a vegetarian.
Argentina doesn't limit with Paraguay on the west. It limits with Chile.
The Sun doesn't go around Earth. Earth goes around the Sun.
February doesn't have thirty days. It has 28 days, or 29!
Argentinian citizens don't speak English as their first language. They speak Spanish.
These sentences are in Present Simple tense, in the negative form. It is necesarry to add an auxiliary before the verb to make the negative form.
DON'T = DO NOT
DOESN'T = DOES NOT
Don't forget to use the base (infinitive) form of the verb.
The following exercise gives some practice with the Present Simple tense, affirmative and negative.
Present Simple: Routines
Complete the text with the verbs in brackets in the Present Simple Tense.