can understock
Verbe régulier : understock - understocked- understocked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can understock
you can understock
she can understock
we can understock
you can understock
they can understock 	I can be understocking
you can be understocking
she can be understocking
we can be understocking
you can be understocking
they can be understocking	I can have understocked
you can have understocked
she can have understocked
we can have understocked
you can have understocked
they can have understocked	I can have been understocking
you can have been understocking
she can have been understocking
we can have been understocking
you can have been understocking
they can have been understocking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot understock
you cannot understock
she cannot understock
we cannot understock
you cannot understock
they cannot understock 	I cannot be understocking
you cannot be understocking
she cannot be understocking
we cannot be understocking
you cannot be understocking
they cannot be understocking	I cannot have understocked
you cannot have understocked
she cannot have understocked
we cannot have understocked
you cannot have understocked
they cannot have understocked	I cannot have been understocking
you cannot have been understocking
she cannot have been understocking
we cannot have been understocking
you cannot have been understocking
they cannot have been understocking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I understock?
can you understock?
can she understock?
can we understock?
can you understock?
can they understock? 	can I be understocking?
can you be understocking?
can she be understocking?
can we be understocking?
can you be understocking?
can they be understocking? 	can I have understocked?
can you have understocked?
can she have understocked?
can we have understocked?
can you have understocked?
can they have understocked? 	can I have been understocking?
can you have been understocking?
can she have been understocking?
can we have been understocking?
can you have been understocking?
can they have been understocking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not understock?
can you not understock?
can she not understock?
can we not understock?
can you not understock?
can they not understock? 	can I not be understocking?
can you not be understocking?
can she not be understocking?
can we not be understocking?
can you not be understocking?
can they not be understocking? 	can I not have understocked?
can you not have understocked?
can she not have understocked?
can we not have understocked?
can you not have understocked?
can they not have understocked? 	can I not have been understocking?
can you not have been understocking?
can she not have been understocking?
can we not have been understocking?
can you not have been understocking?
can they not have been understocking?