could sleek
Verbe régulier : sleek - sleeked- sleeked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could sleek
you could sleek
he could sleek
we could sleek
you could sleek
they could sleek 	I could be sleeking
you could be sleeking
he could be sleeking
we could be sleeking
you could be sleeking
they could be sleeking	I could have sleeked
you could have sleeked
he could have sleeked
we could have sleeked
you could have sleeked
they could have sleeked	I could have been sleeking
you could have been sleeking
he could have been sleeking
we could have been sleeking
you could have been sleeking
they could have been sleeking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't sleek
you couldn't sleek
he couldn't sleek
we couldn't sleek
you couldn't sleek
they couldn't sleek 	I couldn't be sleeking
you couldn't be sleeking
he couldn't be sleeking
we couldn't be sleeking
you couldn't be sleeking
they couldn't be sleeking	I couldn't have sleeked
you couldn't have sleeked
he couldn't have sleeked
we couldn't have sleeked
you couldn't have sleeked
they couldn't have sleeked	I couldn't have been sleeking
you couldn't have been sleeking
he couldn't have been sleeking
we couldn't have been sleeking
you couldn't have been sleeking
they couldn't have been sleeking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I sleek?
could you sleek?
could he sleek?
could we sleek?
could you sleek?
could they sleek? 	could I be sleeking?
could you be sleeking?
could he be sleeking?
could we be sleeking?
could you be sleeking?
could they be sleeking? 	could I have sleeked?
could you have sleeked?
could he have sleeked?
could we have sleeked?
could you have sleeked?
could they have sleeked? 	could I have been sleeking?
could you have been sleeking?
could he have been sleeking?
could we have been sleeking?
could you have been sleeking?
could they have been sleeking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I sleek?
couldn't you sleek?
couldn't he sleek?
couldn't we sleek?
couldn't you sleek?
couldn't they sleek? 	couldn't I be sleeking?
couldn't you be sleeking?
couldn't he be sleeking?
couldn't we be sleeking?
couldn't you be sleeking?
couldn't they be sleeking? 	couldn't I have sleeked?
couldn't you have sleeked?
couldn't he have sleeked?
couldn't we have sleeked?
couldn't you have sleeked?
couldn't they have sleeked? 	couldn't I have been sleeking?
couldn't you have been sleeking?
couldn't he have been sleeking?
couldn't we have been sleeking?
couldn't you have been sleeking?
couldn't they have been sleeking?