Conjugação do verbo inglês COULD FREEZE

Verbo irregular: freeze - froze - frozen

Afirmação

Forma simple

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it could freeze
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Forma com V-ing

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it could be freezing
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Perfeito

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it could have frozen
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Perfeito com V-ing

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it could have been freezing
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Forma simple

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it couldn't freeze
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Forma com V-ing

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it couldn't be freezing
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Perfeito

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it couldn't have frozen
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Perfeito com V-ing

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it couldn't have been freezing
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Forma simple

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could it freeze?
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Forma com V-ing

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could it be freezing?
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Perfeito

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could it have frozen?
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Perfeito com V-ing

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could it have been freezing?
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Forma simple

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couldn't it freeze?
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Forma com V-ing

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couldn't it be freezing?
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Perfeito

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couldn't it have frozen?
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Perfeito com V-ing

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couldn't it have been freezing?
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