could contravene
Verbo regolare: contravene - contravened- contravened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could contravene
you could contravene
he could contravene
we could contravene
you could contravene
they could contravene 	I could be contravening
you could be contravening
he could be contravening
we could be contravening
you could be contravening
they could be contravening	I could have contravened
you could have contravened
he could have contravened
we could have contravened
you could have contravened
they could have contravened	I could have been contravening
you could have been contravening
he could have been contravening
we could have been contravening
you could have been contravening
they could have been contravening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't contravene
you couldn't contravene
he couldn't contravene
we couldn't contravene
you couldn't contravene
they couldn't contravene 	I couldn't be contravening
you couldn't be contravening
he couldn't be contravening
we couldn't be contravening
you couldn't be contravening
they couldn't be contravening	I couldn't have contravened
you couldn't have contravened
he couldn't have contravened
we couldn't have contravened
you couldn't have contravened
they couldn't have contravened	I couldn't have been contravening
you couldn't have been contravening
he couldn't have been contravening
we couldn't have been contravening
you couldn't have been contravening
they couldn't have been contravening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I contravene?
could you contravene?
could he contravene?
could we contravene?
could you contravene?
could they contravene? 	could I be contravening?
could you be contravening?
could he be contravening?
could we be contravening?
could you be contravening?
could they be contravening? 	could I have contravened?
could you have contravened?
could he have contravened?
could we have contravened?
could you have contravened?
could they have contravened? 	could I have been contravening?
could you have been contravening?
could he have been contravening?
could we have been contravening?
could you have been contravening?
could they have been contravening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I contravene?
couldn't you contravene?
couldn't he contravene?
couldn't we contravene?
couldn't you contravene?
couldn't they contravene? 	couldn't I be contravening?
couldn't you be contravening?
couldn't he be contravening?
couldn't we be contravening?
couldn't you be contravening?
couldn't they be contravening? 	couldn't I have contravened?
couldn't you have contravened?
couldn't he have contravened?
couldn't we have contravened?
couldn't you have contravened?
couldn't they have contravened? 	couldn't I have been contravening?
couldn't you have been contravening?
couldn't he have been contravening?
couldn't we have been contravening?
couldn't you have been contravening?
couldn't they have been contravening?