Conjugação do verbo inglês OUGHT TO HAPPEN

Verbo regular: happen - happened - happened

Afirmação

Forma simple

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it ought to happen
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Forma com V-ing

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it ought to be happening
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Perfeito

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it ought to have happened
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Perfeito com V-ing

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it ought to have been happening
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Forma simple

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it oughtn't to happen
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Forma com V-ing

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it oughtn't to be happening
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Perfeito

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it oughtn't to have happened
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Perfeito com V-ing

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it oughtn't to have been happening
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Forma simple

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ought to it happen?
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Forma com V-ing

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ought to it be happening?
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Perfeito

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ought to it have happened?
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Perfeito com V-ing

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ought to it have been happening?
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Forma simple

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oughtn't it to happen?
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Forma com V-ing

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oughtn't it to be happening?
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Perfeito

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oughtn't it to have happened?
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Perfeito com V-ing

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oughtn't it to have been happening?
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