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 couldn't upsurge
you couldn't upsurge
she couldn't upsurge
we couldn't upsurge
you couldn't upsurge
they couldn't upsurge 	I couldn't be upsurging
you couldn't be upsurging
she couldn't be upsurging
we couldn't be upsurging
you couldn't be upsurging
they couldn't be upsurging	I couldn't have upsurged
you couldn't have upsurged
she couldn't have upsurged
we couldn't have upsurged
you couldn't have upsurged
they couldn't have upsurged	I couldn't have been upsurging
you couldn't have been upsurging
she couldn't have been upsurging
we couldn't have been upsurging
you couldn't have been upsurging
they couldn't 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 	
couldn't I upsurge?
couldn't you upsurge?
couldn't she upsurge?
couldn't we upsurge?
couldn't you upsurge?
couldn't they upsurge? 	couldn't I be upsurging?
couldn't you be upsurging?
couldn't she be upsurging?
couldn't we be upsurging?
couldn't you be upsurging?
couldn't they be upsurging? 	couldn't I have upsurged?
couldn't you have upsurged?
couldn't she have upsurged?
couldn't we have upsurged?
couldn't you have upsurged?
couldn't they have upsurged? 	couldn't I have been upsurging?
couldn't you have been upsurging?
couldn't she have been upsurging?
couldn't we have been upsurging?
couldn't you have been upsurging?
couldn't they have been upsurging?