Conjugación del verbo inglés OUGHT TO HAPPEN
Verbo regular: happen - happened - happened
Afirmación
Forma simple
--
it ought to happen
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Forma con V-ing
--
it ought to be happening
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Perfecto
--
it ought to have happened
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Perfecto con V-ing
--
it ought to have been happening
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Negación
Forma simple
--
it oughtn't to happen
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Forma con V-ing
--
it oughtn't to be happening
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Perfecto
--
it oughtn't to have happened
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Perfecto con V-ing
--
it oughtn't to have been happening
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Forma interrogativa
Forma simple
--
ought to it happen?
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Forma con V-ing
--
ought to it be happening?
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Perfecto
--
ought to it have happened?
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Perfecto con V-ing
--
ought to it have been happening?
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Forma interro-negativa
Forma simple
--
oughtn't it to happen?
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Forma con V-ing
--
oughtn't it to be happening?
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Perfecto
--
oughtn't it to have happened?
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Perfecto con V-ing
--
oughtn't it to have been happening?
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