could upwell
Verbe régulier : upwell - upwelled- upwelled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could upwell
you could upwell
she could upwell
we could upwell
you could upwell
they could upwell 	I could be upwelling
you could be upwelling
she could be upwelling
we could be upwelling
you could be upwelling
they could be upwelling	I could have upwelled
you could have upwelled
she could have upwelled
we could have upwelled
you could have upwelled
they could have upwelled	I could have been upwelling
you could have been upwelling
she could have been upwelling
we could have been upwelling
you could have been upwelling
they could have been upwelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not upwell
you could not upwell
she could not upwell
we could not upwell
you could not upwell
they could not upwell 	I could not be upwelling
you could not be upwelling
she could not be upwelling
we could not be upwelling
you could not be upwelling
they could not be upwelling	I could not have upwelled
you could not have upwelled
she could not have upwelled
we could not have upwelled
you could not have upwelled
they could not have upwelled	I could not have been upwelling
you could not have been upwelling
she could not have been upwelling
we could not have been upwelling
you could not have been upwelling
they could not have been upwelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I upwell?
could you upwell?
could she upwell?
could we upwell?
could you upwell?
could they upwell? 	could I be upwelling?
could you be upwelling?
could she be upwelling?
could we be upwelling?
could you be upwelling?
could they be upwelling? 	could I have upwelled?
could you have upwelled?
could she have upwelled?
could we have upwelled?
could you have upwelled?
could they have upwelled? 	could I have been upwelling?
could you have been upwelling?
could she have been upwelling?
could we have been upwelling?
could you have been upwelling?
could they have been upwelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not upwell?
could you not upwell?
could she not upwell?
could we not upwell?
could you not upwell?
could they not upwell? 	could I not be upwelling?
could you not be upwelling?
could she not be upwelling?
could we not be upwelling?
could you not be upwelling?
could they not be upwelling? 	could I not have upwelled?
could you not have upwelled?
could she not have upwelled?
could we not have upwelled?
could you not have upwelled?
could they not have upwelled? 	could I not have been upwelling?
could you not have been upwelling?
could she not have been upwelling?
could we not have been upwelling?
could you not have been upwelling?
could they not have been upwelling?