English verb conjugation MAY THUNDER
Regular verb: thunder - thundered - thundered
Affirmation
Simple form
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it may thunder
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V-ing form
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it may be thundering
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Perfect
--
it may have thundered
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V-ing perfect
--
it may have been thundering
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Negation
Simple form
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it mayn't thunder
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V-ing form
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it mayn't be thundering
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Perfect
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it mayn't have thundered
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V-ing perfect
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it mayn't have been thundering
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Interrogative form
Simple form
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may it thunder?
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V-ing form
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may it be thundering?
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Perfect
--
may it have thundered?
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V-ing perfect
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may it have been thundering?
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Interro-negative form
Simple form
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mayn't it thunder?
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V-ing form
--
mayn't it be thundering?
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Perfect
--
mayn't it have thundered?
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V-ing perfect
--
mayn't it have been thundering?
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