could upsurge
Verbe régulier : upsurge - upsurged- upsurged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could upsurge
you could upsurge
she could upsurge
we could upsurge
you could upsurge
they could upsurge 	I could be upsurging
you could be upsurging
she could be upsurging
we could be upsurging
you could be upsurging
they could be upsurging	I could have upsurged
you could have upsurged
she could have upsurged
we could have upsurged
you could have upsurged
they could have upsurged	I could have been upsurging
you could have been upsurging
she could have been upsurging
we could have been upsurging
you could have been upsurging
they could have been upsurging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not upsurge
you could not upsurge
she could not upsurge
we could not upsurge
you could not upsurge
they could not upsurge 	I could not be upsurging
you could not be upsurging
she could not be upsurging
we could not be upsurging
you could not be upsurging
they could not be upsurging	I could not have upsurged
you could not have upsurged
she could not have upsurged
we could not have upsurged
you could not have upsurged
they could not have upsurged	I could not have been upsurging
you could not have been upsurging
she could not have been upsurging
we could not have been upsurging
you could not have been upsurging
they could not have been upsurging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I upsurge?
could you upsurge?
could she upsurge?
could we upsurge?
could you upsurge?
could they upsurge? 	could I be upsurging?
could you be upsurging?
could she be upsurging?
could we be upsurging?
could you be upsurging?
could they be upsurging? 	could I have upsurged?
could you have upsurged?
could she have upsurged?
could we have upsurged?
could you have upsurged?
could they have upsurged? 	could I have been upsurging?
could you have been upsurging?
could she have been upsurging?
could we have been upsurging?
could you have been upsurging?
could they have been upsurging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not upsurge?
could you not upsurge?
could she not upsurge?
could we not upsurge?
could you not upsurge?
could they not upsurge? 	could I not be upsurging?
could you not be upsurging?
could she not be upsurging?
could we not be upsurging?
could you not be upsurging?
could they not be upsurging? 	could I not have upsurged?
could you not have upsurged?
could she not have upsurged?
could we not have upsurged?
could you not have upsurged?
could they not have upsurged? 	could I not have been upsurging?
could you not have been upsurging?
could she not have been upsurging?
could we not have been upsurging?
could you not have been upsurging?
could they not have been upsurging?