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Other forms to happen ? | remove negation | contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO HAPPEN

Regular verb: happen - happened - happened

Indicative

Present
-
-
it does not happen
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-
-
Present continuous
-
-
it is not happening
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-
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Preterite
-
-
it did not happen
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-
-
Preterite continuous
-
-
it was not happening
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-
-
Present perfect
-
-
it has not happened
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-
-
Present perfect continuous
-
-
it has not been happening
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-
-
Pluperfect
-
-
it had not happened
-
-
-
Pluperfect continuous
-
-
it had not been happening
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-
-
Future
-
-
it will not happen
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-
-
Future continuous
-
-
it will not be happening
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-
-
Future perfect
-
-
it will not have happened
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-
-
Future perfect continuous
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-
it will not have been happening
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-
-

Conditional

Present
-
-
it would not happen
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-
-
Present continuous
-
-
it would not be happening
-
-
-
Past
-
-
it would not have happened
-
-
-
Past continuous
-
-
it would not have been happening
-
-
-

Imperative

Imperative
-
Let's not happen
-
 
 
 

Infinitive

Infinitive
to happen
 
 
 

Participle

Present
happening
Past
happened