Conjugation and declension of "jack" in English
Conjugation of the verb jack[dʒæk],
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 jackyou don't jack
he/she/it doesn't jack
we don't jack
you don't jack
they don't jack
Present Continuous
I am not jackingyou aren't jacking
he/she/it isn't jacking
we aren't jacking
you aren't jacking
they aren't jacking
Present Perfect
I haven't jackedyou haven't jacked
he/she/it hasn't jacked
we haven't jacked
you haven't jacked
they haven't jacked
Present Perfect Continuous
I haven't been jackingyou haven't been jacking
he/she/it hasn't been jacking
we haven't been jacking
you haven't been jacking
they haven't been jacking
Past Indefinite
I didn't jackyou didn't jack
he/she/it didn't jack
we didn't jack
you didn't jack
they didn't jack
Past Continuous
I wasn't jackingyou weren't jacking
he/she/it wasn't jacking
we weren't jacking
you weren't jacking
they weren't jacking
Past Perfect
I hadn't jackedyou hadn't jacked
he/she/it hadn't jacked
we hadn't jacked
you hadn't jacked
they hadn't jacked
Past Perfect Continuous
I hadn't been jackingyou hadn't been jacking
he/she/it hadn't been jacking
we hadn't been jacking
you hadn't been jacking
they hadn't been jacking
Future Indefinite
I shan't / won't jackyou won't jack
he/she/it won't jack
we shan't / won't jack
you won't jack
they won't jack
Future Continuous
I shan't / won't be jackingyou won't be jacking
he/she/it won't be jacking
we shan't / won't be jacking
you won't be jacking
they won't be jacking
Future Perfect
I shan't / won't have jackedyou won't have jacked
he/she/it won't have jacked
we shan't / won't have jacked
you won't have jacked
they won't have jacked
Future Perfect Continuous
I shan't / won't have been jackingyou won't have been jacking
he/she/it won't have been jacking
we shan't / won't have been jacking
you won't have been jacking
they won't have been jacking
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't jackyou wouldn't jack
he/she/it wouldn't jack
we wouldn't jack
you wouldn't jack
they wouldn't jack
Conditional Present Continuous
I wouldn't be jackingyou wouldn't be jacking
he/she/it wouldn't be jacking
we wouldn't be jacking
you wouldn't be jacking
they wouldn't be jacking
Conditional Perfect
I wouldn't have jackedyou wouldn't have jacked
he/she/it wouldn't have jacked
we wouldn't have jacked
you wouldn't have jacked
they wouldn't have jacked
Conditional Perfect Continuous
I wouldn't have been jackingyou wouldn't have been jacking
he/she/it wouldn't have been jacking
we wouldn't have been jacking
you wouldn't have been jacking
they wouldn't have been jacking
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
Conjugation of English verbs
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