Conjugación del verbo inglés TO HAPPEN

Verbo regular: happen - happened - happened

Indicativo

Presente

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does it not happen?
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Presente continuo

-
-
is it not happening?
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-
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Pretérito

-
-
did it not happen?
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-
-

Pretérito continuo

-
-
was it not happening?
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-
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Presente perfecto

-
-
has it not happened?
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-
-

Presente perfecto continuo

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-
has it not been happening?
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-
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Pluscuamperfecto

-
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had it not happened?
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-
-

Pluscuamperfecto continuo

-
-
had it not been happening?
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-
-

Futuro simple

-
-
will it not happen?
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-
-

Futuro continuo

-
-
will it not be happening?
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-
-

Futuro perfecto

-
-
will it not have happened?
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-
-

Futuro perfecto contínuo

-
-
will it not have been happening?
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-
-

Presente

-
-
would it not happen?
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-
-

Presente continuo

-
-
would it not be happening?
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-
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Passado

-
-
would it not have happened?
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-
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Passado continuo

-
-
would it not have been happening?
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-
-

-
-
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to happen

Presente

happening

Passado

happened