could overstrain
Verbe régulier : overstrain - overstrained- overstrained

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could overstrain
you could overstrain
she could overstrain
we could overstrain
you could overstrain
they could overstrain 	I could be overstraining
you could be overstraining
she could be overstraining
we could be overstraining
you could be overstraining
they could be overstraining	I could have overstrained
you could have overstrained
she could have overstrained
we could have overstrained
you could have overstrained
they could have overstrained	I could have been overstraining
you could have been overstraining
she could have been overstraining
we could have been overstraining
you could have been overstraining
they could have been overstraining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't overstrain
you couldn't overstrain
she couldn't overstrain
we couldn't overstrain
you couldn't overstrain
they couldn't overstrain 	I couldn't be overstraining
you couldn't be overstraining
she couldn't be overstraining
we couldn't be overstraining
you couldn't be overstraining
they couldn't be overstraining	I couldn't have overstrained
you couldn't have overstrained
she couldn't have overstrained
we couldn't have overstrained
you couldn't have overstrained
they couldn't have overstrained	I couldn't have been overstraining
you couldn't have been overstraining
she couldn't have been overstraining
we couldn't have been overstraining
you couldn't have been overstraining
they couldn't have been overstraining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I overstrain?
could you overstrain?
could she overstrain?
could we overstrain?
could you overstrain?
could they overstrain? 	could I be overstraining?
could you be overstraining?
could she be overstraining?
could we be overstraining?
could you be overstraining?
could they be overstraining? 	could I have overstrained?
could you have overstrained?
could she have overstrained?
could we have overstrained?
could you have overstrained?
could they have overstrained? 	could I have been overstraining?
could you have been overstraining?
could she have been overstraining?
could we have been overstraining?
could you have been overstraining?
could they have been overstraining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I overstrain?
couldn't you overstrain?
couldn't she overstrain?
couldn't we overstrain?
couldn't you overstrain?
couldn't they overstrain? 	couldn't I be overstraining?
couldn't you be overstraining?
couldn't she be overstraining?
couldn't we be overstraining?
couldn't you be overstraining?
couldn't they be overstraining? 	couldn't I have overstrained?
couldn't you have overstrained?
couldn't she have overstrained?
couldn't we have overstrained?
couldn't you have overstrained?
couldn't they have overstrained? 	couldn't I have been overstraining?
couldn't you have been overstraining?
couldn't she have been overstraining?
couldn't we have been overstraining?
couldn't you have been overstraining?
couldn't they have been overstraining?