The Conjugator
English verb conjugation
SHOULD HAPPEN

Regular verb: happen - happened - happened

Affirmation

Simple form

V-ing form

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it'd happen
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it'd be happening
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Perfect

V-ing perfect

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it should've happened
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it should've been happening
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Negation

Simple form

V-ing form

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it shouldn't happen
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it shouldn't be happening
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Perfect

V-ing perfect

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it shouldn't have happened
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it shouldn't have been happening
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Interrogative form

Simple form

V-ing form

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should it happen?
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should it be happening?
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Perfect

V-ing perfect

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should it have happened?
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should it have been happening?
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Interro-negative form

Simple form

V-ing form

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shouldn't it happen?
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shouldn't it be happening?
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Perfect

V-ing perfect

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shouldn't it have happened?
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shouldn't it have been happening?
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