Gramática Inglesa. Present Simple (to be)

Afirmación   I am You are He is She is It is   We are You are They are

Contracción   I´m You´re He´s She´ s It´s   We´re You´re They´re

Negación   I am not You are not He is not She is not It is not   We are not You are not They are not

Contracción   I´am not You aren´t He isn´t She isn´t It isn´t   We aren´t You aren´t They aren´t

Interrogación   Am I? Are you? Is he? Is she? Is it?   Are we? Are you? Are they?