CONJUGATION OF THE VERB “TO BE” – SER, ESTAR

AFFIRMATIVE

INFINITIVE

PRESENT

TO BE (SER, ESTAR)

PRESENT PERFECT

TO HAVE BEEN (TER SIDO OU ESTADO)

 

PARTICIPLE

PRESENT

BEING (SENDO OU ESTANDO)

 

PAST

BEEN (SIDO OU ESTADO)

 

GERUND

BEING (SENDO, ESTANDO)

 

INDICATIVE

PRESENT

I AM

YOU ARE

HE IS

SHE IS

IT IS

WE ARE

YOU ARE

THEY ARE

 

PAST TENSE

I WAS

YOU WERE

HE WAS

SHE WAS

IT WAS

WE WERE

YOU WERE

THEY WERE

 

PERFECT TENSE

I HAVE BEEN

YOU HAVE BEEN

HE HAS BEEN

SHE HAS BEEN

IT HAS BEEN

WE HAVE BEEN

YOU HAVE BEEN

THEY HAVE BEEN

 

PLUPERFECT TENSE

I HAD BEEN

YOU HAD BEEN

WE HAD BEEN

YOU HAD BEEN

THEY HAD BEEN

 

FUTURE SIMPLE

I SHALL BE

YOU WILL BE

HE WILL BE

SHE WILL BE

IT WILL BE

WE SHALL BE

YOU WILL BE

THEY WILL BE

 

FUTURE PERFECT

I SHALL HAVE BEEN

YOU WILL HAVE BEEN

HE WILL HAVE BEEN

SHE WILL HAVE BEEN

IT WILL HAVE BEEN

WE SHALL HAVE BEEN

YOU WILL HAVE BEEN

THEY WILL HAVE BEEN

 

FUTURE SIMPLE IN THE PAST

I SHOULD BE

YOU WOULD BE

HE WOULD BE

SHE WOULD BE

IT WOULD BE

WE SHOULD BE

YOU WOULD BE

THEY WOULD BE

 

FUTURE PERFECT IN THE PAST

I SHOULD HAVE BEEN

YOU WOULD HAVE BEEN

HE WOULD HAVE BEEN

SHE WOULD HAVE BEEN

IT WOULD HAVE BEEN

WE SHOULD HAVE BEEN

YOU WOULD HAVE BEEN

THEY WOULD HAVE BEEN

 

POTENTIAL MOOD

PRESENT TENSE

I CAN BE

YOU CAN BE

HE CAN BE

SHE CAN BE

IT CAN BE

WE CAN BE

YOU CAN BE

THEY CAN BE

 

PAST TENSE

I COULD BE

YOU COULD BE

HE COULD BE

SHE COULD BE

IT COULD BE

WE COULD BE

YOU COULD BE

THEY COULD BE

 

PERFECT TENSE

I CAN HAVE BEEN

YOU CAN HAVE BEEN

HE CAN HAVE BEEN

SHE CAN HAVE BEEN

IT CAN HAVE BEEN

WE CAN HAVE BEEN

YOU CAN HAVE BEEN

THEY CAN HAVE BEEN

 

PLUPERFECT TENSE

I COULD HAVE BEEN

YOU COULD HAVE BEEN

HE COULD HAVE BEEN

SHE COULD HAVE BEEN

IT COULD HAVE BEEN

WE COULD HAVE BEEN

YOU COULD HAVE BEEN

THEY COULD HAVE BEEN

 

SUBJUNCTIVE

PRESENT TENSE

THAT I BE

THAT YOU BE

THAT HE BE

THAT SHE BE

THAT IT BE

THAT WE BE

THAT YOU BE

THAT THEY BE

 

PAST TENSE

IF I WAS

IF YOU WERE

IF HE WAS

IF SHE WAS

IF IT WAS

IF WE WERE

IF YOU WERE

IF THEY WERE

 

FUTURE

WHEN I SHOULD BE

WHEN YOU SHOULD BE

WHEN HE SHOULD BE

WHEN SHE SHOULD BE

WHEN IT SHOULD BE

WHEN WE SHOULD BE

WHEN YOU SHOULD BE

WHEN THEY SHOULD BE

 

IMPERATIVE

 

NEGATIVE

 

INDICATIVE

 

PRESENT TENSE

I AM NOT

 

PAST TENSE

I WAS NOT

 

PERFECT TENSE

I HAVE NOT BEEN

 

PLUPERFECT TENSE

I HAD NOT BEEN

 

FUTURE

I SHALL NOT BEEN

 

FUTURE PERFECT

I SHALL NOT HAVE BEEN

 

CONDITIONAL

 

FUTURE IN THE PAST

I SHOULD NOT BE

 

FUTURE PERFECT IN THE PAST

I SHOULD NOT HAVE BEEN

 

POTENTIAL

 

PRESENT TENSE

I CANNOT BE

 

PAST TENSE

I COULD NOT BE

 

PERFECT TENSE

I CANNOT HAVE BEEN

 

PLUPERFECT TENSE

I COULD NOT HAVE BEEN

 

SUBJUNCTIVE

 

PRESENT TENSE

THAT I BE NOT

 

PAST TENSE

IF I WERE NOT

 

FUTURE

WHEN I SHOULD BE NOT

 

IMPERATIVE

DO NOT BE

 

INTERROGATIVE

 

INDICATIVE

 

PRESENT TENSE

AM I?

 

PAST TENSE

WAS I?

 

PERFECT TENSE

HAVE I BEEN?

 

PLUPERFECT TENSE

HAD I BEEN?

 

FUTURE

SHALL I BE?

 

FUTURE PERFECT

SHALL I HAVE BEEN?

 

CONDITIONAL

 

FUTURE IN THE PAST

SHOULD I BE?

 

FUTURE PERFECT IN THE PAST

SHOULD I HAVE BEEN?

 

POTENTIAL

 

PRESENT TENSE

CAN I BE?

 

PAST TENSE

COULD I BE?

 

PERFECT TENSE

CAN I HAVE BEEN?

 

PLUPERFECT TENSE

COULD I HAVE BEEN?