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
she could perch
we could perch
you could perch
they could perch 	I could be perching
you could be perching
she could be perching
we could be perching
you could be perching
they could be perching	I could have perched
you could have perched
she 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
she 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 could not perch
you could not perch
she could not perch
we could not perch
you could not perch
they could not perch 	I could not be perching
you could not be perching
she could not be perching
we could not be perching
you could not be perching
they could not be perching	I could not have perched
you could not have perched
she could not have perched
we could not have perched
you could not have perched
they could not have perched	I could not have been perching
you could not have been perching
she could not have been perching
we could not have been perching
you could not have been perching
they could not have been perching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I perch?
could you perch?
could she perch?
could we perch?
could you perch?
could they perch? 	could I be perching?
could you be perching?
could she be perching?
could we be perching?
could you be perching?
could they be perching? 	could I have perched?
could you have perched?
could she 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 she 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 	
could I not perch?
could you not perch?
could she not perch?
could we not perch?
could you not perch?
could they not perch? 	could I not be perching?
could you not be perching?
could she not be perching?
could we not be perching?
could you not be perching?
could they not be perching? 	could I not have perched?
could you not have perched?
could she not have perched?
could we not have perched?
could you not have perched?
could they not have perched? 	could I not have been perching?
could you not have been perching?
could she not have been perching?
could we not have been perching?
could you not have been perching?
could they not have been perching?