21 Present Simple Tense Examples, Affirmative, Negative, Interrogative
| Affirmative | Negative | Interrogative |
| I am a doctor. | I am not a doctor. | Am I a doctor? |
| You are an engineer. | You are not an engineer. | Are you an engineer? |
| He is at home. | He is not at home. | Is he at home? |
| She is my sister. | She is not my sister. | Is she my sister? |
| It is a dog. | It is not a dog. | Is it a dog? |
| We are friends. | We are not friends. | Are we friends? |
| They are farmer. | They are not farmer. | Are they farmer? |
