Simple Present

El presente simple se usa para expresar una acción que ocurre una vez, muchas veces o nunca. Se utiliza para acciones que ocurren una después de la otra y para acciones que están programadas. También se usa para acciones que ocurren en el presente.

Uso:

En el caso del verbo "to be", existen modificaciones según la persona de la que se habla.

	affirmative	negative	interrogative
I	I am	I am not.	Am I ?
You We They	You are. We are. They are	You are not. We are not. They are not.	Are You? Are We? Are They?
He She It	He is. She is. It is.	He is not. She is not. It is not.	Is he? Is she? Is it?

En el verbo "to have" el cambio viene para las terceras personas. 

	affirmative	negative	interrogative
I You We They	I have. You have. We have. They have.	I have not. You have not. We have not. They have not.	Do I have? Do you have? Do we have? Do they have?
He She It	He has. She has. It has.	He has not. She has not. It has not.	Does he have? Does she have? Does it have?

En el caso de cualqier otro verbo el cambio se hace agregando una "s" para las terceras personas. 

	affirmative	negative	interrogative
I You We They	I play. You play. We play. They play.	I do not play. You do not play. We do not play. They do not play.	Do I play? Do you play? Do we play? Do they play?
He She It	He plays. She plays. It plays.	He does not play. She does not play. It does not play.	Does he play? Does she play? Does it play?

Nota: en el caso de las oraciones negativas y de pregunta, el verbo auxiliar "do" lleva la letra s, formando el auxiliar "does". 

Ejercicios: haz click aquí para descargar los ejercicios del presente simple.