could porpoise
Verbe régulier : porpoise - porpoised- porpoised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could porpoise
you could porpoise
he could porpoise
we could porpoise
you could porpoise
they could porpoise 	I could be porpoising
you could be porpoising
he could be porpoising
we could be porpoising
you could be porpoising
they could be porpoising	I could have porpoised
you could have porpoised
he could have porpoised
we could have porpoised
you could have porpoised
they could have porpoised	I could have been porpoising
you could have been porpoising
he could have been porpoising
we could have been porpoising
you could have been porpoising
they could have been porpoising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't porpoise
you couldn't porpoise
he couldn't porpoise
we couldn't porpoise
you couldn't porpoise
they couldn't porpoise 	I couldn't be porpoising
you couldn't be porpoising
he couldn't be porpoising
we couldn't be porpoising
you couldn't be porpoising
they couldn't be porpoising	I couldn't have porpoised
you couldn't have porpoised
he couldn't have porpoised
we couldn't have porpoised
you couldn't have porpoised
they couldn't have porpoised	I couldn't have been porpoising
you couldn't have been porpoising
he couldn't have been porpoising
we couldn't have been porpoising
you couldn't have been porpoising
they couldn't have been porpoising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I porpoise?
could you porpoise?
could he porpoise?
could we porpoise?
could you porpoise?
could they porpoise? 	could I be porpoising?
could you be porpoising?
could he be porpoising?
could we be porpoising?
could you be porpoising?
could they be porpoising? 	could I have porpoised?
could you have porpoised?
could he have porpoised?
could we have porpoised?
could you have porpoised?
could they have porpoised? 	could I have been porpoising?
could you have been porpoising?
could he have been porpoising?
could we have been porpoising?
could you have been porpoising?
could they have been porpoising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I porpoise?
couldn't you porpoise?
couldn't he porpoise?
couldn't we porpoise?
couldn't you porpoise?
couldn't they porpoise? 	couldn't I be porpoising?
couldn't you be porpoising?
couldn't he be porpoising?
couldn't we be porpoising?
couldn't you be porpoising?
couldn't they be porpoising? 	couldn't I have porpoised?
couldn't you have porpoised?
couldn't he have porpoised?
couldn't we have porpoised?
couldn't you have porpoised?
couldn't they have porpoised? 	couldn't I have been porpoising?
couldn't you have been porpoising?
couldn't he have been porpoising?
couldn't we have been porpoising?
couldn't you have been porpoising?
couldn't they have been porpoising?