grammar guide: verb to be

1. Affirmative sentences
Full forms	Contracted forms
I am You are He is She is It is We are They are You are	I'm You're He's She's It's We 're They 're You 're
2. Negative sentences
Full forms	Contracted forms
I am not You are not He is not She is not It is not We are not They are not You are not	I 'm not You aren't He isn't She isn't It isn't We aren't They aren't You aren't
3. Interrogative sentences + short answers
Interrogative	Positive answers	Negative answers
Am I? Are you? Is he? Is she? Is it? Are we? Are they? Are you?	Yes, I am. Yes, you are. Yes, he is. Yes, she is. Yes, it is. Yes, we are. Yes, they are. Yes, you are.	No, I 'm not. No, you aren't. No, he isn't. No, she isn't. No, it isn't. No, we aren't. No, they aren't. No, you aren't.