could perch
Verbe régulier : perch - perched- perched
Traduction française : se percher - percher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could perch
you could perch
he could perch
we could perch
you could perch
they could perch 	I could be perching
you could be perching
he could be perching
we could be perching
you could be perching
they could be perching	I could have perched
you could have perched
he could have perched
we could have perched
you could have perched
they could have perched	I could have been perching
you could have been perching
he could have been perching
we could have been perching
you could have been perching
they could have been perching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't perch
you couldn't perch
he couldn't perch
we couldn't perch
you couldn't perch
they couldn't perch 	I couldn't be perching
you couldn't be perching
he couldn't be perching
we couldn't be perching
you couldn't be perching
they couldn't be perching	I couldn't have perched
you couldn't have perched
he couldn't have perched
we couldn't have perched
you couldn't have perched
they couldn't have perched	I couldn't have been perching
you couldn't have been perching
he couldn't have been perching
we couldn't have been perching
you couldn't have been perching
they couldn't have been perching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I perch?
could you perch?
could he perch?
could we perch?
could you perch?
could they perch? 	could I be perching?
could you be perching?
could he be perching?
could we be perching?
could you be perching?
could they be perching? 	could I have perched?
could you have perched?
could he have perched?
could we have perched?
could you have perched?
could they have perched? 	could I have been perching?
could you have been perching?
could he have been perching?
could we have been perching?
could you have been perching?
could they have been perching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I perch?
couldn't you perch?
couldn't he perch?
couldn't we perch?
couldn't you perch?
couldn't they perch? 	couldn't I be perching?
couldn't you be perching?
couldn't he be perching?
couldn't we be perching?
couldn't you be perching?
couldn't they be perching? 	couldn't I have perched?
couldn't you have perched?
couldn't he have perched?
couldn't we have perched?
couldn't you have perched?
couldn't they have perched? 	couldn't I have been perching?
couldn't you have been perching?
couldn't he have been perching?
couldn't we have been perching?
couldn't you have been perching?
couldn't they have been perching?