Conjugação do verbo inglês SHOULD HAPPEN

Verbo regular: happen - happened - happened


Afirmação

Forma simple

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it should happen
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Forma com V-ing

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it should be happening
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Perfeito

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it should have happened
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Perfeito com V-ing

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it should have been happening
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Negação

Forma simple

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it should not happen
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Forma com V-ing

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it should not be happening
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Perfeito

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it should not have happened
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Perfeito com V-ing

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it should not have been happening
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Forma interrogativa

Forma simple

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should it happen?
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Forma com V-ing

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should it be happening?
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Perfeito

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should it have happened?
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Perfeito com V-ing

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should it have been happening?
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Forma interro-Negação

Forma simple

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should it not happen?
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Forma com V-ing

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should it not be happening?
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Perfeito

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should it not have happened?
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Perfeito com V-ing

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should it not have been happening?
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