Positive: I am · You are · He is · She is · It is · We are · They are Examples: I am Maria. You are my friend. He is a doctor. We are students. They are happy. Negative ❌ — add not: I am not tired. He is not from Italy. They are not teachers. Short forms: I'm not / He isn't / They aren't Questions — change the order: Are you a student? · Is she your teacher? · Are they from Brazil? Short answers: Yes, I am. / No, I'm not. / Yes, she is. / No, they aren't.