Conjugación del verbo inglés SHOULD HAPPEN
Verbo regular: happen - happened - happened
Afirmación
Forma simple
--
it should happen
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Forma con V-ing
--
it should be happening
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Perfecto
--
it should have happened
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Perfecto con V-ing
--
it should have been happening
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Negación
Forma simple
--
it should not happen
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Forma con V-ing
--
it should not be happening
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Perfecto
--
it should not have happened
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Perfecto con V-ing
--
it should not have been happening
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Forma interrogativa
Forma simple
--
should it happen?
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Forma con V-ing
--
should it be happening?
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Perfecto
--
should it have happened?
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Perfecto con V-ing
--
should it have been happening?
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Forma interro-negativa
Forma simple
--
should it not happen?
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Forma con V-ing
--
should it not be happening?
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Perfecto
--
should it not have happened?
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Perfecto con V-ing
--
should it not have been happening?
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