Conjugación del verbo inglés TO HAPPEN

Verbo regular: happen - happened - happened

Indicativo

Presente

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doesn't it happen?
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Presente continuo

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-
isn't it happening?
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-
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Pretérito

-
-
didn't it happen?
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-
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Pretérito continuo

-
-
wasn't it happening?
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-
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Presente perfecto

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hasn't it happened?
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-
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Presente perfecto continuo

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hasn't it been happening?
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-
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Pluscuamperfecto

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hadn't it happened?
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-
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Pluscuamperfecto continuo

-
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hadn't it been happening?
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-
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Futuro simple

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won't it happen?
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-
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Futuro continuo

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-
won't it be happening?
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-
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Futuro perfecto

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won't it have happened?
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-
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Futuro perfecto contínuo

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-
won't it have been happening?
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-
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Presente

-
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wouldn't it happen?
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Presente continuo

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wouldn't it be happening?
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Passado

-
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wouldn't it have happened?
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-
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Passado continuo

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wouldn't it have been happening?
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-
-

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to happen

Presente

happening

Passado

happened