could whiffle
Verbe régulier : whiffle - whiffled- whiffled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could whiffle
you could whiffle
he could whiffle
we could whiffle
you could whiffle
they could whiffle 	I could be whiffling
you could be whiffling
he could be whiffling
we could be whiffling
you could be whiffling
they could be whiffling	I could have whiffled
you could have whiffled
he could have whiffled
we could have whiffled
you could have whiffled
they could have whiffled	I could have been whiffling
you could have been whiffling
he could have been whiffling
we could have been whiffling
you could have been whiffling
they could have been whiffling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't whiffle
you couldn't whiffle
he couldn't whiffle
we couldn't whiffle
you couldn't whiffle
they couldn't whiffle 	I couldn't be whiffling
you couldn't be whiffling
he couldn't be whiffling
we couldn't be whiffling
you couldn't be whiffling
they couldn't be whiffling	I couldn't have whiffled
you couldn't have whiffled
he couldn't have whiffled
we couldn't have whiffled
you couldn't have whiffled
they couldn't have whiffled	I couldn't have been whiffling
you couldn't have been whiffling
he couldn't have been whiffling
we couldn't have been whiffling
you couldn't have been whiffling
they couldn't have been whiffling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I whiffle?
could you whiffle?
could he whiffle?
could we whiffle?
could you whiffle?
could they whiffle? 	could I be whiffling?
could you be whiffling?
could he be whiffling?
could we be whiffling?
could you be whiffling?
could they be whiffling? 	could I have whiffled?
could you have whiffled?
could he have whiffled?
could we have whiffled?
could you have whiffled?
could they have whiffled? 	could I have been whiffling?
could you have been whiffling?
could he have been whiffling?
could we have been whiffling?
could you have been whiffling?
could they have been whiffling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I whiffle?
couldn't you whiffle?
couldn't he whiffle?
couldn't we whiffle?
couldn't you whiffle?
couldn't they whiffle? 	couldn't I be whiffling?
couldn't you be whiffling?
couldn't he be whiffling?
couldn't we be whiffling?
couldn't you be whiffling?
couldn't they be whiffling? 	couldn't I have whiffled?
couldn't you have whiffled?
couldn't he have whiffled?
couldn't we have whiffled?
couldn't you have whiffled?
couldn't they have whiffled? 	couldn't I have been whiffling?
couldn't you have been whiffling?
couldn't he have been whiffling?
couldn't we have been whiffling?
couldn't you have been whiffling?
couldn't they have been whiffling?