could snowboard
Verbe régulier : snowboard - snowboarded- snowboarded
Traduction française : faire du surf des neiges 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could snowboard
you could snowboard
he could snowboard
we could snowboard
you could snowboard
they could snowboard 	I could be snowboarding
you could be snowboarding
he could be snowboarding
we could be snowboarding
you could be snowboarding
they could be snowboarding	I could have snowboarded
you could have snowboarded
he could have snowboarded
we could have snowboarded
you could have snowboarded
they could have snowboarded	I could have been snowboarding
you could have been snowboarding
he could have been snowboarding
we could have been snowboarding
you could have been snowboarding
they could have been snowboarding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't snowboard
you couldn't snowboard
he couldn't snowboard
we couldn't snowboard
you couldn't snowboard
they couldn't snowboard 	I couldn't be snowboarding
you couldn't be snowboarding
he couldn't be snowboarding
we couldn't be snowboarding
you couldn't be snowboarding
they couldn't be snowboarding	I couldn't have snowboarded
you couldn't have snowboarded
he couldn't have snowboarded
we couldn't have snowboarded
you couldn't have snowboarded
they couldn't have snowboarded	I couldn't have been snowboarding
you couldn't have been snowboarding
he couldn't have been snowboarding
we couldn't have been snowboarding
you couldn't have been snowboarding
they couldn't have been snowboarding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I snowboard?
could you snowboard?
could he snowboard?
could we snowboard?
could you snowboard?
could they snowboard? 	could I be snowboarding?
could you be snowboarding?
could he be snowboarding?
could we be snowboarding?
could you be snowboarding?
could they be snowboarding? 	could I have snowboarded?
could you have snowboarded?
could he have snowboarded?
could we have snowboarded?
could you have snowboarded?
could they have snowboarded? 	could I have been snowboarding?
could you have been snowboarding?
could he have been snowboarding?
could we have been snowboarding?
could you have been snowboarding?
could they have been snowboarding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I snowboard?
couldn't you snowboard?
couldn't he snowboard?
couldn't we snowboard?
couldn't you snowboard?
couldn't they snowboard? 	couldn't I be snowboarding?
couldn't you be snowboarding?
couldn't he be snowboarding?
couldn't we be snowboarding?
couldn't you be snowboarding?
couldn't they be snowboarding? 	couldn't I have snowboarded?
couldn't you have snowboarded?
couldn't he have snowboarded?
couldn't we have snowboarded?
couldn't you have snowboarded?
couldn't they have snowboarded? 	couldn't I have been snowboarding?
couldn't you have been snowboarding?
couldn't he have been snowboarding?
couldn't we have been snowboarding?
couldn't you have been snowboarding?
couldn't they have been snowboarding?