can upspring
Verbe irrégulier : upspring - upsprang, upsprung- upsprung

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can upspring
you can upspring
she can upspring
we can upspring
you can upspring
they can upspring 	I can be upspringing
you can be upspringing
she can be upspringing
we can be upspringing
you can be upspringing
they can be upspringing	I can have upsprung
you can have upsprung
she can have upsprung
we can have upsprung
you can have upsprung
they can have upsprung	I can have been upspringing
you can have been upspringing
she can have been upspringing
we can have been upspringing
you can have been upspringing
they can have been upspringing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot upspring
you cannot upspring
she cannot upspring
we cannot upspring
you cannot upspring
they cannot upspring 	I cannot be upspringing
you cannot be upspringing
she cannot be upspringing
we cannot be upspringing
you cannot be upspringing
they cannot be upspringing	I cannot have upsprung
you cannot have upsprung
she cannot have upsprung
we cannot have upsprung
you cannot have upsprung
they cannot have upsprung	I cannot have been upspringing
you cannot have been upspringing
she cannot have been upspringing
we cannot have been upspringing
you cannot have been upspringing
they cannot have been upspringing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I upspring?
can you upspring?
can she upspring?
can we upspring?
can you upspring?
can they upspring? 	can I be upspringing?
can you be upspringing?
can she be upspringing?
can we be upspringing?
can you be upspringing?
can they be upspringing? 	can I have upsprung?
can you have upsprung?
can she have upsprung?
can we have upsprung?
can you have upsprung?
can they have upsprung? 	can I have been upspringing?
can you have been upspringing?
can she have been upspringing?
can we have been upspringing?
can you have been upspringing?
can they have been upspringing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not upspring?
can you not upspring?
can she not upspring?
can we not upspring?
can you not upspring?
can they not upspring? 	can I not be upspringing?
can you not be upspringing?
can she not be upspringing?
can we not be upspringing?
can you not be upspringing?
can they not be upspringing? 	can I not have upsprung?
can you not have upsprung?
can she not have upsprung?
can we not have upsprung?
can you not have upsprung?
can they not have upsprung? 	can I not have been upspringing?
can you not have been upspringing?
can she not have been upspringing?
can we not have been upspringing?
can you not have been upspringing?
can they not have been upspringing?