Los verbos irregulares en el pasado

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Los verbos irregulares respecto de la manera como forman el pasado se pueden dividir en dos grupos: 1) el verbo to be(ser/estar) y 2) todos los demás verbos irregulares.

El verbo más irregular: to be

El verbo to be es el verbo más irregular de todos los verbos irregulares por dos razones:

no todos los sujetos gramaticales tienen la misma forma
la forma negativa no es igual a la de los demás verbos en pasado

To be en pasado

Veamos primero la conjugación en pasado del verbo to be. Observa que las formas para la primera persona del singular (I) y la tercera persona del singular (he/she/it) son diferentes de las demás formas.

Sujeto	To be
I	was
you	were
he/she/it	was
we	were
they	were

To be

I	was
you	were
he/she/it	was
we	were
they	were

Las formas negativas de to be

Todos los verbos en el pasado usan did not en sus formas negativas menos el verbo to be, que usa la siguiente fórmula.

Fórmulas para las formas negativas de to be

was+ not

were+ not

Veamos el modelo de conjugación de las formas negativas del verbo to be. Al igual que con los otros verbos en pasado, es muy común usar una forma contraída con to be.

Sujeto	Forma negativa no contraída	Forma negativa contraída
I	was not	wasn’t
you	were not	weren’t
he/she/it	was not	wasn’t
we	were not	weren’t
they	were not	weren’t

Forma negativa no contraída

I	was not
you	were not
he/she/it	was not
we	were not
they	were not

Forma negativa contraída

I	wasn’t
you	weren’t
he/she/it	wasn’t
we	weren’t
they	weren’t

Otros verbos irregulares

Hay muchos verbos en inglés con formas irregulares en el pasado. Lo bueno es que las formas para todos los sujetos gramaticales de estos verbos son iguales. Awesome!(¡Genial!)

Veamos, por ejemplo, la conjugación del verbo irregular to go(ir) en el pasado.

Formas afirmativas

Sujeto	To go
I	went
you	went
he/she/it	went
we	went
they	went

To go

I	went
you	went
he/she/it	went
we	went
they	went

Negación de los verbos irregulares

Para hablar de un verbo en pasado en forma negativa, simplemente hay que usar did noto didn'tantes de la forma básica del verbo.

Fórmula para formas negativas

did not+ forma básica

Veamos cómo conjugar el verbo to go en forma negativa.

Sujeto	Forma negativa no contraída	Forma negativa contraída
I	did not go	didn't go
you	did not go	didn't go
he/she/it	did not go	didn't go
we	did not go	didn't go
they	did not go	didn't go

Forma negativa no contraída

I	did not go
you	did not go
he/she/it	did not go
we	did not go
they	did not go

Forma negativa contraída

I	didn't go
you	didn't go
he/she/it	didn't go
we	didn't go
they	didn't go

Superlista de verbos irregulares

Aquí hay una lista de verbos con formas irregulares en el pasado.

Infinitivo en inglés	Infinitivo en español	Simple past
to become	volverse	became
to begin	empezar	began
to break	romper	broke
to bring	traer	brought
to buy	comprar	bought
to catch	atrapar	caught
to come	venir	came
to deal	repartir	dealt
to dive	tirarse de cabeza	dove
to drink	beber	drank
to drive	manejar	drove
to eat	comer	ate
to fall	caer(se)	fell
to feel	sentir(se)	felt
to find	encontrar	found
to fly	volar	flew
to forbid	prohibir	forbade
to forget	olvidar	forgot
to get	conseguir	got
to give	dar	gave
to grow	crecer	grew
to hear	escuchar	heard
to keep	guardar	kept
to know	saber/conocer	knew
to leave	dejar	left
to lend	prestar	lent
to lose	perder	lost
to make	hacer	made
to ride	montar	rode
to run	correr	ran
to see	ver	saw
to sell	vender	sold
to sing	cantar	sang
to sit	sentarse	sat
to sleep	dormir	slept
to speak	hablar	spoke
to stand	levantarse	stood
to steal	robar	stole
to swim	nadar	swam
to take	tomar	took
to teach	enseñar	taught
to think	pensar	thought
to understand	entender	understood
to wake up	despertar(se)	woke up
to wear	llevar	wore
to win	ganar	won
to write	escribir	wrote