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