Verb TO BE infographic — uses, practice examples, important rules, key vocabulary, common mistakes and ain't

Forms: affirmative, negative and questions

PronounAffirmativeNegativeQuestion
II am (I'm)I am not (I'm not)Am I …?
YouYou are (You're)You are not (You aren't / you're not)Are you …?
He / She / ItHe is / She is / It is (He's / She's / It's)He is not / She is not (He isn't / she's not)Is he / she / it …?
WeWe are (We're)We are not (We aren't / we're not)Are we …?
TheyThey are (They're)They are not (They aren't / they're not)Are they …?
I am not: The only negative contraction for "I" is I'm not. "I amn't" does NOT exist in standard English.

Short answers

QuestionYesNo
Are you a teacher?Yes, I am.No, I'm not.
Is he Spanish?Yes, he is.No, he isn't.
Are they ready?Yes, they are.No, they aren't.
Never contract in short positive answers: Say "Yes, I am" — not "Yes, I'm". Say "Yes, she is" — not "Yes, she's".

Exercise

1. "______ she your sister?" — Choose the correct verb form.

2. My parents ______ from Portugal.

3. Which contraction is correct for "I am not"?

4. "Is the dog in the garden?" — "Yes, ______."

5. "______ you happy?" — "No, I'm not."