English verb conjugation SHALL HAPPEN

Regular verb: happen - happened - happened


Affirmation

Simple form

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it shall happen
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V-ing form

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it shall be happening
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Perfect

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it shall have happened
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V-ing perfect

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it shall have been happening
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Negation

Simple form

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it shall not happen
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V-ing form

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it shall not be happening
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Perfect

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it shall not have happened
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V-ing perfect

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it shall not have been happening
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Interrogative form

Simple form

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shall it happen?
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V-ing form

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shall it be happening?
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Perfect

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shall it have happened?
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V-ing perfect

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shall it have been happening?
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Interro-negative form

Simple form

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shall it not happen?
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V-ing form

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shall it not be happening?
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Perfect

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shall it not have happened?
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V-ing perfect

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shall it not have been happening?
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