should contravene
Regular verb: contravene - contravened- contravened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd contravene
you'd contravene
she'd contravene
we'd contravene
you'd contravene
they'd contravene 	I'd be contravening
you'd be contravening
she'd be contravening
we'd be contravening
you'd be contravening
they'd be contravening	I should've contravened
you should've contravened
she should've contravened
we should've contravened
you should've contravened
they should've contravened	I should've been contravening
you should've been contravening
she should've been contravening
we should've been contravening
you should've been contravening
they should've been contravening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't contravene
you shouldn't contravene
she shouldn't contravene
we shouldn't contravene
you shouldn't contravene
they shouldn't contravene 	I shouldn't be contravening
you shouldn't be contravening
she shouldn't be contravening
we shouldn't be contravening
you shouldn't be contravening
they shouldn't be contravening	I shouldn't have contravened
you shouldn't have contravened
she shouldn't have contravened
we shouldn't have contravened
you shouldn't have contravened
they shouldn't have contravened	I shouldn't have been contravening
you shouldn't have been contravening
she shouldn't have been contravening
we shouldn't have been contravening
you shouldn't have been contravening
they shouldn't have been contravening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I contravene?
should you contravene?
should she contravene?
should we contravene?
should you contravene?
should they contravene? 	should I be contravening?
should you be contravening?
should she be contravening?
should we be contravening?
should you be contravening?
should they be contravening? 	should I have contravened?
should you have contravened?
should she have contravened?
should we have contravened?
should you have contravened?
should they have contravened? 	should I have been contravening?
should you have been contravening?
should she have been contravening?
should we have been contravening?
should you have been contravening?
should they have been contravening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I contravene?
shouldn't you contravene?
shouldn't she contravene?
shouldn't we contravene?
shouldn't you contravene?
shouldn't they contravene? 	shouldn't I be contravening?
shouldn't you be contravening?
shouldn't she be contravening?
shouldn't we be contravening?
shouldn't you be contravening?
shouldn't they be contravening? 	shouldn't I have contravened?
shouldn't you have contravened?
shouldn't she have contravened?
shouldn't we have contravened?
shouldn't you have contravened?
shouldn't they have contravened? 	shouldn't I have been contravening?
shouldn't you have been contravening?
shouldn't she have been contravening?
shouldn't we have been contravening?
shouldn't you have been contravening?
shouldn't they have been contravening?