English verb conjugation MIGHT HAPPEN

Regular verb: happen - happened - happened

Affirmation

Simple form

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it might happen
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V-ing form

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it might be happening
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Perfect

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it might have happened
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V-ing perfect

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it might have been happening
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Simple form

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it mightn't happen
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V-ing form

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it mightn't be happening
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Perfect

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it mightn't have happened
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V-ing perfect

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it mightn't have been happening
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Simple form

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might it happen?
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V-ing form

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might it be happening?
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Perfect

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might it have happened?
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V-ing perfect

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might it have been happening?
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Simple form

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mightn't it happen?
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V-ing form

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mightn't it be happening?
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Perfect

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mightn't it have happened?
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V-ing perfect

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mightn't it have been happening?
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