could sink
Verbe irrégulier : sink - sank, sunk- sunk
Traduction française : couler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could sink
you could sink
she could sink
we could sink
you could sink
they could sink 	I could be sinking
you could be sinking
she could be sinking
we could be sinking
you could be sinking
they could be sinking	I could have sunk
you could have sunk
she could have sunk
we could have sunk
you could have sunk
they could have sunk	I could have been sinking
you could have been sinking
she could have been sinking
we could have been sinking
you could have been sinking
they could have been sinking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't sink
you couldn't sink
she couldn't sink
we couldn't sink
you couldn't sink
they couldn't sink 	I couldn't be sinking
you couldn't be sinking
she couldn't be sinking
we couldn't be sinking
you couldn't be sinking
they couldn't be sinking	I couldn't have sunk
you couldn't have sunk
she couldn't have sunk
we couldn't have sunk
you couldn't have sunk
they couldn't have sunk	I couldn't have been sinking
you couldn't have been sinking
she couldn't have been sinking
we couldn't have been sinking
you couldn't have been sinking
they couldn't have been sinking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I sink?
could you sink?
could she sink?
could we sink?
could you sink?
could they sink? 	could I be sinking?
could you be sinking?
could she be sinking?
could we be sinking?
could you be sinking?
could they be sinking? 	could I have sunk?
could you have sunk?
could she have sunk?
could we have sunk?
could you have sunk?
could they have sunk? 	could I have been sinking?
could you have been sinking?
could she have been sinking?
could we have been sinking?
could you have been sinking?
could they have been sinking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I sink?
couldn't you sink?
couldn't she sink?
couldn't we sink?
couldn't you sink?
couldn't they sink? 	couldn't I be sinking?
couldn't you be sinking?
couldn't she be sinking?
couldn't we be sinking?
couldn't you be sinking?
couldn't they be sinking? 	couldn't I have sunk?
couldn't you have sunk?
couldn't she have sunk?
couldn't we have sunk?
couldn't you have sunk?
couldn't they have sunk? 	couldn't I have been sinking?
couldn't you have been sinking?
couldn't she have been sinking?
couldn't we have been sinking?
couldn't you have been sinking?
couldn't they have been sinking?