Conjugación del verbo inglés MUST FREEZE
Verbo irregular: freeze - froze - frozen
Afirmación
Forma simple
--
it must freeze
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Forma con V-ing
--
it must be freezing
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Perfecto
--
it must have frozen
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Perfecto con V-ing
--
it must have been freezing
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Negación
Forma simple
--
it mustn't freeze
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Forma con V-ing
--
it mustn't be freezing
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Perfecto
--
it mustn't have frozen
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Perfecto con V-ing
--
it mustn't have been freezing
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Forma interrogativa
Forma simple
--
must it freeze?
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Forma con V-ing
--
must it be freezing?
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Perfecto
--
must it have frozen?
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Perfecto con V-ing
--
must it have been freezing?
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Forma interro-negativa
Forma simple
--
mustn't it freeze?
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Forma con V-ing
--
mustn't it be freezing?
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Perfecto
--
mustn't it have frozen?
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Perfecto con V-ing
--
mustn't it have been freezing?
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