could understock
Verbe régulier : understock - understocked- understocked

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not understock
you could not understock
he could not understock
we could not understock
you could not understock
they could not understock 	I could not be understocking
you could not be understocking
he could not be understocking
we could not be understocking
you could not be understocking
they could not be understocking	I could not have understocked
you could not have understocked
he could not have understocked
we could not have understocked
you could not have understocked
they could not have understocked	I could not have been understocking
you could not have been understocking
he could not have been understocking
we could not have been understocking
you could not have been understocking
they could not have been understocking	

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

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