Todos los modos y conjugaciones del verbo to be,

Este es uno de los puntos mas importantes a la hora de aprender ingles, pues hay tantas formas y modos de conjugar el verbo to be (ser-estar) en pasado presente, varios tipos de futuro, perfecto, preterito, etc

sera mejor que hagas lo posible con tal de memorizar la siguientes tablas que te muestro

INFINITIVO: to be (ser)

GERUNDIO: being (siendo)

PARTICIPIO: been (sido)

Presente Indefinido (yo soy)	Pretérito (yo era)	Pretérito perfecto (yo he sido)
I am	I was	I have been
you are	you were	you have been
he is	he was	he has been
she is	she was	she has been
it is	it was	it has been
we are	we were	we have been
you are	you were	you have been
they are	they were	they have been

Pluscuamperfecto	Futuro simple	Futuro compuesto
(yo había sido)	(yo seré)	(yo habré sido)
I had been	I shall be	I shall have been
you had been	you will be	you will have been
he had been	he will be	she will have been
it had been	it will be	it will have been
we had been	we shall be	we shall have been
you had been	you will be	you will have been
they had been	they will be	they will have been

Condicional simple (yo sería)	Condicional compuesto (yo habría sido)	IMPERATIVO (sea, se, sean, sed)
I should be	I should have been	let me be
you would be	you would have been	be
he would be	he would have been	let him
she would be	she would have been	let her be
it would be	it would have been	let it be
we should be	we should have been	let us be
you would be	you would have been	be
they would be	they would have been	let them be

SUBJUNTIVO

El presente es be para todas las personas.

El imperfecto es were para todas las personas.

El futuro y condicional son idénticos a los del indicativo.