Inicio Gramática Principiantes Ser o estar “to be”

Ser o estar “to be”

(To be)

Introducción

Se usa el verbo "to be" con
Por ejemplo:

Presente Pasado
I am tired. / I'm tired. I was tired.
She is a doctor. / She's a doctor. She was a doctor.
They are students. / They're students. They were students.
I am here. I was here.
We are at the hospital. We were at the hospital.

Parte 1 - "be" afirmativo

Se usa
"am", "is", "are" / "'m ","'s ","'re"
o "was" / "were".


Por ejemplo - presente:

I am

(I'm)
happy.
She / He / It is

(She's / He's / It's)
You
We
They
are

(You're
We're
They're)

I am

(I'm)
an engineer.
She / He / It is

(She's / He's / It's)
You are

(You're
We're
They're)
an engineer.
engineers.
We
They
engineers.

Por ejemplo - pasado:

I
She / He / It
was happy.
You
We
They
were
I
She / He / It
was an engineer.
You were an engineer.
engineers.
We
They
engineers.

Práctica

Complete las frases con la forma afirmativa correcta del verbo "be".


Presente
  • I hungry.
     
  • My sister and I singers.
     
  • My dog very young.
     

Pasado
  • It a dangerous mountain.
     
  • They late for work.
     
  • The house very old.
     

Parte 2 - "Be" (negativo)

Para formar una frase negativa use
"am not", "is not", "are not" / "'m not", "isn't", "aren't"
ó "wasn't" / "weren't".



Por ejemplo - presente:

I am not
'm not
happy.
She / He / It is not
isn't
You
We
They
are not
aren't

I am not
'm not
an engineer.
She / He / It is not
isn't
You are not
aren't
an engineer.
engineers.
We
They
are not
aren't
engineers.

Por ejemplo - pasado:

I
She / He / It
was not
wasn't
happy.
You
We
They
were not
weren't

I
She / He / It
was not
wasn't
an engineer.
You were not
weren't
an engineer.
engineers.
We
They
engineers.

Práctica

Complete las frases con la forma negativa correcta del verbo "be".


Presente
  • Polly an actress.
     
  • David and Jim fat.
     
  • I a good swimmer.
     

Past
  • The weather good yesterday.
     
  • My parents poor.
     
  • We at the cinema last night.
     

Parte 3 - "be" (preguntas)

Para formular preguntas ponemos
"am", "is", "are" ó "was", "were" antes del sujeto.


Por ejemplo - presente:

Am I happy?
Is she / he / it
Are you
we
they

Am I an engineer?
Is she / he / it
Are you an engineer?
engineers?
we
they
engineers?

Por ejemplo - pasado:

Was I
she / he / it
happy?
Were you
we
they

Was I
she / he / it
an engineer?
Were you an engineer?
engineers?
we
they
engineers?

Práctica

Complete las preguntas con la forma correcta del verbo "be".


Presente
  • Pierre French?
     
  • the books on the shelf?
     
  • I late?
     

Pasado
  • your parents at home?
     
  • he a fireman.
     
  • I right?
     

Más práctica

Elija la respuesta correcta para completar la frase: a, b, c ó d.

Compruebe sus respuestas

Lectura complementaria

El verbo "be" es también un verbo auxiliar y se usa para formar tiempos verbales continuos:
Por favor, consulte las hojas de ejercicios separadas para más explicaciones sobre estos tiempos verbales.

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Getting Started
Free
Create account
 
General vocabulary trainer – save your score, access audio files
 
Business vocabulary trainer including audio files
 
Idiom trainer
 
Grammar trainer - save your score
 
Video lessons - 4 lessons including English for emails and presentations
 
Video lessons - 10 additional video lessons including English for finance, strategy, M&A, job interviews
 
Dictation - general English exercises
 
Dictation - business English exercises