English verb conjugation MIGHT HAPPEN
Regular verb: happen - happened - happened
Affirmation
Simple form
--
it might happen
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V-ing form
--
it might be happening
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Perfect
--
it might have happened
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V-ing perfect
--
it might have been happening
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Negation
Simple form
--
it might not happen
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V-ing form
--
it might not be happening
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Perfect
--
it might not have happened
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V-ing perfect
--
it might not have been happening
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Interrogative form
Simple form
--
might it happen?
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V-ing form
--
might it be happening?
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Perfect
--
might it have happened?
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V-ing perfect
--
might it have been happening?
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Interro-negative form
Simple form
--
might it not happen?
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V-ing form
--
might it not be happening?
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Perfect
--
might it not have happened?
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V-ing perfect
--
might it not have been happening?
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