could warble
Verbe régulier : warble - warbled- warbled
Traduction française : gazouiller - chanter (avec des trilles) - gazouiller - chanter (avec des trilles) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could warble
you could warble
he could warble
we could warble
you could warble
they could warble 	I could be warbling
you could be warbling
he could be warbling
we could be warbling
you could be warbling
they could be warbling	I could have warbled
you could have warbled
he could have warbled
we could have warbled
you could have warbled
they could have warbled	I could have been warbling
you could have been warbling
he could have been warbling
we could have been warbling
you could have been warbling
they could have been warbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't warble
you couldn't warble
he couldn't warble
we couldn't warble
you couldn't warble
they couldn't warble 	I couldn't be warbling
you couldn't be warbling
he couldn't be warbling
we couldn't be warbling
you couldn't be warbling
they couldn't be warbling	I couldn't have warbled
you couldn't have warbled
he couldn't have warbled
we couldn't have warbled
you couldn't have warbled
they couldn't have warbled	I couldn't have been warbling
you couldn't have been warbling
he couldn't have been warbling
we couldn't have been warbling
you couldn't have been warbling
they couldn't have been warbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I warble?
could you warble?
could he warble?
could we warble?
could you warble?
could they warble? 	could I be warbling?
could you be warbling?
could he be warbling?
could we be warbling?
could you be warbling?
could they be warbling? 	could I have warbled?
could you have warbled?
could he have warbled?
could we have warbled?
could you have warbled?
could they have warbled? 	could I have been warbling?
could you have been warbling?
could he have been warbling?
could we have been warbling?
could you have been warbling?
could they have been warbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I warble?
couldn't you warble?
couldn't he warble?
couldn't we warble?
couldn't you warble?
couldn't they warble? 	couldn't I be warbling?
couldn't you be warbling?
couldn't he be warbling?
couldn't we be warbling?
couldn't you be warbling?
couldn't they be warbling? 	couldn't I have warbled?
couldn't you have warbled?
couldn't he have warbled?
couldn't we have warbled?
couldn't you have warbled?
couldn't they have warbled? 	couldn't I have been warbling?
couldn't you have been warbling?
couldn't he have been warbling?
couldn't we have been warbling?
couldn't you have been warbling?
couldn't they have been warbling?