To be es un verbo clave en la lengua; desempeña un papel principal en muchos tipos de construcciones, como en todos los demás idiomas europeos (être, en francés; sein, en alemán; ser / estar, en español). Tiene muchos usos y significados, se utiliza como verbo principal y verbo auxiliar. También actúa de manera diferente en oraciones y preguntas negativas.
Vea los siguientes explicaciones.
- Infinitive: to be
- Simple past: was
- Past participle: been
VERB TO BE IN PRESENT TENSE
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Affirmative
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Negative
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Interrogative
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I am
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I am not
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Am I?
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you are
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You are not
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Are you?
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He is
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He is not
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Is he?
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She is
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She is not
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Is She?
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It is
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It is not
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Is it?
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We are
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We are not
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Are we?
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They are
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They are not
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Are they?
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VERB TO BE CONTRACTED FORMS
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Affirmative
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Negative
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Long form
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Short form
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Long form
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Short form
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I am
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I’m
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I am not
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I’m not
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you are
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You’re
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You are not
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You’re not
You aren’t
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He is
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He’s
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He is not
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He’s not
He isn’t
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She is
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She’s
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She is not
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She’s not
She isn’t
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It is
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It’s
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It is not
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It’s not
It isn’t
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We are
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We’re
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We are not
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We’re not
We aren’t
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You are
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You’re
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You are not
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You’re not
You aren’t
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They are
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They’re
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They are not
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They’re not
They aren’t
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El verbo to be se puede aplicar en las siguientes formas:
Verb to be with a noun | El verbo to be con un nombre:
- John is my brother.
- My mother was the priestess in our parish.
- It is the reason to provide work.
with an adjective | con un adjetivo:
- The coffee is very hot.
- The children were good.
- My son is very patient.
The -ing form in continuous tenses | verbos acabados en -ing para formas continuas
- We were eating in a restaurant.
- I was tinkering in the workshop.
- He had been crying for a long time
Verbs ending -ed to make the passive voice | Verbos terminados en -ed para formar la voz pasiva
- The restaurant was founded in the last century.
- That place is called "Death Valley".
- I was making a lot of work lately.
Verb to be with a prepositional phrase | Verbo to be con una frase preposicional:
- I am from New Zealand.
- Your tools are on the shelf.
- John is at a meeting.