could doctor
Verbe régulier : doctor - doctored- doctored
Traduction française : falsifier - mettre de la drogue dans 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could doctor
you could doctor
he could doctor
we could doctor
you could doctor
they could doctor 	I could be doctoring
you could be doctoring
he could be doctoring
we could be doctoring
you could be doctoring
they could be doctoring	I could have doctored
you could have doctored
he could have doctored
we could have doctored
you could have doctored
they could have doctored	I could have been doctoring
you could have been doctoring
he could have been doctoring
we could have been doctoring
you could have been doctoring
they could have been doctoring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't doctor
you couldn't doctor
he couldn't doctor
we couldn't doctor
you couldn't doctor
they couldn't doctor 	I couldn't be doctoring
you couldn't be doctoring
he couldn't be doctoring
we couldn't be doctoring
you couldn't be doctoring
they couldn't be doctoring	I couldn't have doctored
you couldn't have doctored
he couldn't have doctored
we couldn't have doctored
you couldn't have doctored
they couldn't have doctored	I couldn't have been doctoring
you couldn't have been doctoring
he couldn't have been doctoring
we couldn't have been doctoring
you couldn't have been doctoring
they couldn't have been doctoring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I doctor?
could you doctor?
could he doctor?
could we doctor?
could you doctor?
could they doctor? 	could I be doctoring?
could you be doctoring?
could he be doctoring?
could we be doctoring?
could you be doctoring?
could they be doctoring? 	could I have doctored?
could you have doctored?
could he have doctored?
could we have doctored?
could you have doctored?
could they have doctored? 	could I have been doctoring?
could you have been doctoring?
could he have been doctoring?
could we have been doctoring?
could you have been doctoring?
could they have been doctoring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I doctor?
couldn't you doctor?
couldn't he doctor?
couldn't we doctor?
couldn't you doctor?
couldn't they doctor? 	couldn't I be doctoring?
couldn't you be doctoring?
couldn't he be doctoring?
couldn't we be doctoring?
couldn't you be doctoring?
couldn't they be doctoring? 	couldn't I have doctored?
couldn't you have doctored?
couldn't he have doctored?
couldn't we have doctored?
couldn't you have doctored?
couldn't they have doctored? 	couldn't I have been doctoring?
couldn't you have been doctoring?
couldn't he have been doctoring?
couldn't we have been doctoring?
couldn't you have been doctoring?
couldn't they have been doctoring?