should contravene
Regular verb: contravene - contravened- contravened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should contravene
you should contravene
he should contravene
we should contravene
you should contravene
they should contravene 	I should be contravening
you should be contravening
he should be contravening
we should be contravening
you should be contravening
they should be contravening	I should have contravened
you should have contravened
he should have contravened
we should have contravened
you should have contravened
they should have contravened	I should have been contravening
you should have been contravening
he should have been contravening
we should have been contravening
you should have been contravening
they should have been contravening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not contravene
you should not contravene
he should not contravene
we should not contravene
you should not contravene
they should not contravene 	I should not be contravening
you should not be contravening
he should not be contravening
we should not be contravening
you should not be contravening
they should not be contravening	I should not have contravened
you should not have contravened
he should not have contravened
we should not have contravened
you should not have contravened
they should not have contravened	I should not have been contravening
you should not have been contravening
he should not have been contravening
we should not have been contravening
you should not have been contravening
they should not have been contravening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I contravene?
should you contravene?
should he contravene?
should we contravene?
should you contravene?
should they contravene? 	should I be contravening?
should you be contravening?
should he be contravening?
should we be contravening?
should you be contravening?
should they be contravening? 	should I have contravened?
should you have contravened?
should he 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 he 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 	
should I not contravene?
should you not contravene?
should he not contravene?
should we not contravene?
should you not contravene?
should they not contravene? 	should I not be contravening?
should you not be contravening?
should he not be contravening?
should we not be contravening?
should you not be contravening?
should they not be contravening? 	should I not have contravened?
should you not have contravened?
should he not have contravened?
should we not have contravened?
should you not have contravened?
should they not have contravened? 	should I not have been contravening?
should you not have been contravening?
should he not have been contravening?
should we not have been contravening?
should you not have been contravening?
should they not have been contravening?