Conjugation of the verb "happen"
Conjugation of the verb happen[ˈhæpən],
regular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't happenyou don't happen
he/she/it doesn't happen
we don't happen
you don't happen
they don't happen
Present Continuous
I am not happeningyou aren't happening
he/she/it isn't happening
we aren't happening
you aren't happening
they aren't happening
Present Perfect
I haven't happenedyou haven't happened
he/she/it hasn't happened
we haven't happened
you haven't happened
they haven't happened
Present Perfect Continuous
I haven't been happeningyou haven't been happening
he/she/it hasn't been happening
we haven't been happening
you haven't been happening
they haven't been happening
Past Indefinite
I didn't happenyou didn't happen
he/she/it didn't happen
we didn't happen
you didn't happen
they didn't happen
Past Continuous
I wasn't happeningyou weren't happening
he/she/it wasn't happening
we weren't happening
you weren't happening
they weren't happening
Past Perfect
I hadn't happenedyou hadn't happened
he/she/it hadn't happened
we hadn't happened
you hadn't happened
they hadn't happened
Past Perfect Continuous
I hadn't been happeningyou hadn't been happening
he/she/it hadn't been happening
we hadn't been happening
you hadn't been happening
they hadn't been happening
Future Indefinite
I shan't / won't happenyou won't happen
he/she/it won't happen
we shan't / won't happen
you won't happen
they won't happen
Future Continuous
I shan't / won't be happeningyou won't be happening
he/she/it won't be happening
we shan't / won't be happening
you won't be happening
they won't be happening
Future Perfect
I shan't / won't have happenedyou won't have happened
he/she/it won't have happened
we shan't / won't have happened
you won't have happened
they won't have happened
Future Perfect Continuous
I shan't / won't have been happeningyou won't have been happening
he/she/it won't have been happening
we shan't / won't have been happening
you won't have been happening
they won't have been happening
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't happenyou wouldn't happen
he/she/it wouldn't happen
we wouldn't happen
you wouldn't happen
they wouldn't happen
Conditional Present Continuous
I wouldn't be happeningyou wouldn't be happening
he/she/it wouldn't be happening
we wouldn't be happening
you wouldn't be happening
they wouldn't be happening
Conditional Perfect
I wouldn't have happenedyou wouldn't have happened
he/she/it wouldn't have happened
we wouldn't have happened
you wouldn't have happened
they wouldn't have happened
Conditional Perfect Continuous
I wouldn't have been happeningyou wouldn't have been happening
he/she/it wouldn't have been happening
we wouldn't have been happening
you wouldn't have been happening
they wouldn't have been happening
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
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