The affirmative form: subject + 'to be'
I am
You are
He is
She is
It is
They are
We are
They are
Nationality Name She is Erica. Age He is 35. Job She is an architect. Description It is beautiful. LocationThey are in London.
The negative form: subject + 'to be' + not
I am not
You are not
He is not
She is not
It is not
We are not
They are not
I am a sales assistant. I am not a customer.
He is a doctor. He is not a pharmacist.
The Interrogative form: 'to be' + subject Am I? Are you? Is he? Is she? Is it? Are you? Are we? Are they?
Is it interesting? Are they in Paris?
Hello. I'm Tony.
Replace the first letter of am, are and is with an apostrophe.
Full form | Contracted form |
I am | I'm |
You are | You're |
He is | He's |
She is | She's |
It is | It's |
We are | We're |
They are | They're |
Use the contracted form when speaking and in informal writing.
Use the full form in formal writing.
Examples
I'm American. You're a manager. He's a doctor. | ||
She's at work. | ||
It's interesting. | ||
We're French. | ||
They're in Paris. |
I'm American. I'm not Canadian. |
Construction
The contracted form of 'to be' in the negative:
subject + contracted form of 'to be' + not You're not
or
subject + 'to be' with contracted form of not You aren't
Note: I'm not I amn't
Contracted form 1 | Contracted form 2 | |
I'm not | - | |
You're not | You aren't | |
He's not | He isn't | |
She's not | She isn't | |
It's not | It isn't | |
We're not | We aren't | |
They're not | They aren't |