could overstock
Verbe régulier : overstock - overstocked- overstocked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could overstock
you could overstock
he could overstock
we could overstock
you could overstock
they could overstock 	I could be overstocking
you could be overstocking
he could be overstocking
we could be overstocking
you could be overstocking
they could be overstocking	I could have overstocked
you could have overstocked
he could have overstocked
we could have overstocked
you could have overstocked
they could have overstocked	I could have been overstocking
you could have been overstocking
he could have been overstocking
we could have been overstocking
you could have been overstocking
they could have been overstocking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't overstock
you couldn't overstock
he couldn't overstock
we couldn't overstock
you couldn't overstock
they couldn't overstock 	I couldn't be overstocking
you couldn't be overstocking
he couldn't be overstocking
we couldn't be overstocking
you couldn't be overstocking
they couldn't be overstocking	I couldn't have overstocked
you couldn't have overstocked
he couldn't have overstocked
we couldn't have overstocked
you couldn't have overstocked
they couldn't have overstocked	I couldn't have been overstocking
you couldn't have been overstocking
he couldn't have been overstocking
we couldn't have been overstocking
you couldn't have been overstocking
they couldn't have been overstocking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I overstock?
could you overstock?
could he overstock?
could we overstock?
could you overstock?
could they overstock? 	could I be overstocking?
could you be overstocking?
could he be overstocking?
could we be overstocking?
could you be overstocking?
could they be overstocking? 	could I have overstocked?
could you have overstocked?
could he have overstocked?
could we have overstocked?
could you have overstocked?
could they have overstocked? 	could I have been overstocking?
could you have been overstocking?
could he have been overstocking?
could we have been overstocking?
could you have been overstocking?
could they have been overstocking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I overstock?
couldn't you overstock?
couldn't he overstock?
couldn't we overstock?
couldn't you overstock?
couldn't they overstock? 	couldn't I be overstocking?
couldn't you be overstocking?
couldn't he be overstocking?
couldn't we be overstocking?
couldn't you be overstocking?
couldn't they be overstocking? 	couldn't I have overstocked?
couldn't you have overstocked?
couldn't he have overstocked?
couldn't we have overstocked?
couldn't you have overstocked?
couldn't they have overstocked? 	couldn't I have been overstocking?
couldn't you have been overstocking?
couldn't he have been overstocking?
couldn't we have been overstocking?
couldn't you have been overstocking?
couldn't they have been overstocking?