English verb conjugation MAY RAIN
Regular verb: rain - rained - rained
Affirmation
Simple form
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it may rain
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V-ing form
--
it may be raining
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Perfect
--
it may have rained
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V-ing perfect
--
it may have been raining
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Negation
Simple form
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it may not rain
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V-ing form
--
it may not be raining
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Perfect
--
it may not have rained
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V-ing perfect
--
it may not have been raining
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Interrogative form
Simple form
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may it rain?
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V-ing form
--
may it be raining?
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Perfect
--
may it have rained?
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V-ing perfect
--
may it have been raining?
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Interro-negative form
Simple form
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may it not rain?
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V-ing form
--
may it not be raining?
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Perfect
--
may it not have rained?
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V-ing perfect
--
may it not have been raining?
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