To Be - Affirmative
Subject | To Be | Examples |
I | am | I am from New Zealand. |
You | are | You are Chilean. |
He | is | He is twenty years old. |
She | is | She is a nurse. |
It | is | It is a big dog. |
We | are | We are intelligent. |
You | are | You are students. |
They | are | They are married. |
To Be - Contractions
Contractions of To Be are very frequent when we are speaking.
To Be | Contraction | Examples |
I am | I'm | I'm from New Zealand. |
You are | You're | You're Chilean. |
He is | He's | He's twenty years old. |
She is | She's | She's a nurse. |
It is | It's | It's a big dog. |
We are | We're | We're intelligent. |
You are | You're | You're students. |
They are | They're | They're married. |
To Be - Negative Sentences
The negative of To Be can be made by adding not after the verb.
Subject | To Be | Examples |
I | am not | I am not from Spain. |
You | are not | You are not Australian. |
He | is not | He is not thirty years old. |
She | is not | She is not a secretary. |
It | is not | It is not a small cat. |
We | are not | We are not stupid. |
You | are not | You are not teachers. |
They | are not | They are not single. |
To Be - Negative Contractions
There are two ways of forming contractions of To Be in negative sentences. One is with a contraction of the subjectand the verb (e.g. I am = I'm) OR a contraction of the verb and not (e.g. are not = aren't)
I'm not from Spain. | --- | --------------* |
You're not Australian. | OR | You aren't Australian. |
He's not thirty years old. | OR | He isn't thirty years old. |
She's not a secretary. | OR | She isn't a secretary. |
It's not a small cat. | OR | It isn't a small cat. |
We're not stupid. | OR | We aren't stupid. |
You're not teachers. | OR | You aren't teachers. |
They're not single. | OR | They aren't single. |
* Notice that the only possible contraction for I am not is I'm not.
To Be - Questions
To create questions with To Be, you put the Verb before the Subject.
Affirmative | You | are | happy. |
| Subject | Verb | |
|
Question | Are | you | happy? |
| Verb | Subject | |
Affirmative | Question |
I am intelligent. | Am I intelligent? |
You are a student. | Are you a student? |
He is a pilot. | Is he a pilot? |
She is from Spain. | Is she from Spain? |
It is a big house. | Is it a big house? |
We are ready. | Are we ready? |
You are doctors. | Are you doctors? |
They are rich. | Are they rich? |
To Be - Short Answers
In spoken English, we usually give short answers in response to questions.
Are you a student? - Yes, I am (a student). The last part (a student) is not necessary. We use shorts answers to avoid repetition, when the meaning is clear.
Question | Short Answers** | Short Answers |
Am I intelligent? | Yes, you are. | No, you aren't. |
Are you a student? | Yes, I am. | No, I am not. |
Is he a pilot? | Yes, he is. | No, he isn't. |
Is she from Spain? | Yes, she is. | No, she isn't. |
Is it a big house? | Yes, it is. | No, it isn't. |
Are we ready? | Yes, we are. | No, we aren't. |
Are you doctors? | Yes, we are. | No, we aren't. |
Are they rich? | Yes, they are. | No, they aren't. |
** With To Be, We don't use contractions in affirmative short answers unless there is additional information after it (in which case they are no longer considered short answers).