could summit
Verbe régulier : summit - summited- summited

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could summit
you could summit
he could summit
we could summit
you could summit
they could summit 	I could be summiting
you could be summiting
he could be summiting
we could be summiting
you could be summiting
they could be summiting	I could have summited
you could have summited
he could have summited
we could have summited
you could have summited
they could have summited	I could have been summiting
you could have been summiting
he could have been summiting
we could have been summiting
you could have been summiting
they could have been summiting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't summit
you couldn't summit
he couldn't summit
we couldn't summit
you couldn't summit
they couldn't summit 	I couldn't be summiting
you couldn't be summiting
he couldn't be summiting
we couldn't be summiting
you couldn't be summiting
they couldn't be summiting	I couldn't have summited
you couldn't have summited
he couldn't have summited
we couldn't have summited
you couldn't have summited
they couldn't have summited	I couldn't have been summiting
you couldn't have been summiting
he couldn't have been summiting
we couldn't have been summiting
you couldn't have been summiting
they couldn't have been summiting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I summit?
could you summit?
could he summit?
could we summit?
could you summit?
could they summit? 	could I be summiting?
could you be summiting?
could he be summiting?
could we be summiting?
could you be summiting?
could they be summiting? 	could I have summited?
could you have summited?
could he have summited?
could we have summited?
could you have summited?
could they have summited? 	could I have been summiting?
could you have been summiting?
could he have been summiting?
could we have been summiting?
could you have been summiting?
could they have been summiting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I summit?
couldn't you summit?
couldn't he summit?
couldn't we summit?
couldn't you summit?
couldn't they summit? 	couldn't I be summiting?
couldn't you be summiting?
couldn't he be summiting?
couldn't we be summiting?
couldn't you be summiting?
couldn't they be summiting? 	couldn't I have summited?
couldn't you have summited?
couldn't he have summited?
couldn't we have summited?
couldn't you have summited?
couldn't they have summited? 	couldn't I have been summiting?
couldn't you have been summiting?
couldn't he have been summiting?
couldn't we have been summiting?
couldn't you have been summiting?
couldn't they have been summiting?