To Be - Affirmative
|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.
|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.
|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 subject and 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.
|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).
NOTES CREDIT: WOODWARD ENGLISH
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