could fribble
Verbe régulier : fribble - fribbled- fribbled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could fribble
you could fribble
he could fribble
we could fribble
you could fribble
they could fribble 	I could be fribbling
you could be fribbling
he could be fribbling
we could be fribbling
you could be fribbling
they could be fribbling	I could have fribbled
you could have fribbled
he could have fribbled
we could have fribbled
you could have fribbled
they could have fribbled	I could have been fribbling
you could have been fribbling
he could have been fribbling
we could have been fribbling
you could have been fribbling
they could have been fribbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't fribble
you couldn't fribble
he couldn't fribble
we couldn't fribble
you couldn't fribble
they couldn't fribble 	I couldn't be fribbling
you couldn't be fribbling
he couldn't be fribbling
we couldn't be fribbling
you couldn't be fribbling
they couldn't be fribbling	I couldn't have fribbled
you couldn't have fribbled
he couldn't have fribbled
we couldn't have fribbled
you couldn't have fribbled
they couldn't have fribbled	I couldn't have been fribbling
you couldn't have been fribbling
he couldn't have been fribbling
we couldn't have been fribbling
you couldn't have been fribbling
they couldn't have been fribbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I fribble?
could you fribble?
could he fribble?
could we fribble?
could you fribble?
could they fribble? 	could I be fribbling?
could you be fribbling?
could he be fribbling?
could we be fribbling?
could you be fribbling?
could they be fribbling? 	could I have fribbled?
could you have fribbled?
could he have fribbled?
could we have fribbled?
could you have fribbled?
could they have fribbled? 	could I have been fribbling?
could you have been fribbling?
could he have been fribbling?
could we have been fribbling?
could you have been fribbling?
could they have been fribbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I fribble?
couldn't you fribble?
couldn't he fribble?
couldn't we fribble?
couldn't you fribble?
couldn't they fribble? 	couldn't I be fribbling?
couldn't you be fribbling?
couldn't he be fribbling?
couldn't we be fribbling?
couldn't you be fribbling?
couldn't they be fribbling? 	couldn't I have fribbled?
couldn't you have fribbled?
couldn't he have fribbled?
couldn't we have fribbled?
couldn't you have fribbled?
couldn't they have fribbled? 	couldn't I have been fribbling?
couldn't you have been fribbling?
couldn't he have been fribbling?
couldn't we have been fribbling?
couldn't you have been fribbling?
couldn't they have been fribbling?