could treat
Verbe régulier : treat - treated- treated
Traduction française : traiter - traiter de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could treat
you could treat
he could treat
we could treat
you could treat
they could treat 	I could be treating
you could be treating
he could be treating
we could be treating
you could be treating
they could be treating	I could have treated
you could have treated
he could have treated
we could have treated
you could have treated
they could have treated	I could have been treating
you could have been treating
he could have been treating
we could have been treating
you could have been treating
they could have been treating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't treat
you couldn't treat
he couldn't treat
we couldn't treat
you couldn't treat
they couldn't treat 	I couldn't be treating
you couldn't be treating
he couldn't be treating
we couldn't be treating
you couldn't be treating
they couldn't be treating	I couldn't have treated
you couldn't have treated
he couldn't have treated
we couldn't have treated
you couldn't have treated
they couldn't have treated	I couldn't have been treating
you couldn't have been treating
he couldn't have been treating
we couldn't have been treating
you couldn't have been treating
they couldn't have been treating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I treat?
could you treat?
could he treat?
could we treat?
could you treat?
could they treat? 	could I be treating?
could you be treating?
could he be treating?
could we be treating?
could you be treating?
could they be treating? 	could I have treated?
could you have treated?
could he have treated?
could we have treated?
could you have treated?
could they have treated? 	could I have been treating?
could you have been treating?
could he have been treating?
could we have been treating?
could you have been treating?
could they have been treating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I treat?
couldn't you treat?
couldn't he treat?
couldn't we treat?
couldn't you treat?
couldn't they treat? 	couldn't I be treating?
couldn't you be treating?
couldn't he be treating?
couldn't we be treating?
couldn't you be treating?
couldn't they be treating? 	couldn't I have treated?
couldn't you have treated?
couldn't he have treated?
couldn't we have treated?
couldn't you have treated?
couldn't they have treated? 	couldn't I have been treating?
couldn't you have been treating?
couldn't he have been treating?
couldn't we have been treating?
couldn't you have been treating?
couldn't they have been treating?