English verb conjugation MUST SLEET
Regular verb: sleet - sleeted - sleeted
Affirmation
Simple form
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it must sleet
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V-ing form
--
it must be sleeting
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Perfect
--
it must have sleeted
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V-ing perfect
--
it must have been sleeting
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Negation
Simple form
--
it mustn't sleet
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V-ing form
--
it mustn't be sleeting
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Perfect
--
it mustn't have sleeted
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V-ing perfect
--
it mustn't have been sleeting
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Interrogative form
Simple form
--
must it sleet?
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V-ing form
--
must it be sleeting?
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Perfect
--
must it have sleeted?
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V-ing perfect
--
must it have been sleeting?
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Interro-negative form
Simple form
--
mustn't it sleet?
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V-ing form
--
mustn't it be sleeting?
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Perfect
--
mustn't it have sleeted?
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V-ing perfect
--
mustn't it have been sleeting?
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