ought to curtain
Verbe régulier : curtain - curtained- curtained
Traduction française : garnir de rideaux 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to curtain
you ought to curtain
he ought to curtain
we ought to curtain
you ought to curtain
they ought to curtain 	I ought to be curtaining
you ought to be curtaining
he ought to be curtaining
we ought to be curtaining
you ought to be curtaining
they ought to be curtaining	I ought to have curtained
you ought to have curtained
he ought to have curtained
we ought to have curtained
you ought to have curtained
they ought to have curtained	I ought to have been curtaining
you ought to have been curtaining
he ought to have been curtaining
we ought to have been curtaining
you ought to have been curtaining
they ought to have been curtaining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to curtain
you ought not to curtain
he ought not to curtain
we ought not to curtain
you ought not to curtain
they ought not to curtain 	I ought not to curtaining
you ought not to curtaining
he ought not to curtaining
we ought not to curtaining
you ought not to curtaining
they ought not to curtaining	I ought not to have curtained
you ought not to have curtained
he ought not to have curtained
we ought not to have curtained
you ought not to have curtained
they ought not to have curtained	I ought not to have been curtaining
you ought not to have been curtaining
he ought not to have been curtaining
we ought not to have been curtaining
you ought not to have been curtaining
they ought not to have been curtaining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I curtain?
ought to you curtain?
ought to he curtain?
ought to we curtain?
ought to you curtain?
ought to they curtain? 	ought to I be curtaining?
ought to you be curtaining?
ought to he be curtaining?
ought to we be curtaining?
ought to you be curtaining?
ought to they be curtaining? 	ought to I have curtained?
ought to you have curtained?
ought to he have curtained?
ought to we have curtained?
ought to you have curtained?
ought to they have curtained? 	ought to I have been curtaining?
ought to you have been curtaining?
ought to he have been curtaining?
ought to we have been curtaining?
ought to you have been curtaining?
ought to they have been curtaining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to curtain?
ought you not to curtain?
ought he not to curtain?
ought we not to curtain?
ought you not to curtain?
ought they not to curtain? 	ought I not to be curtaining?
ought you not to be curtaining?
ought he not to be curtaining?
ought we not to be curtaining?
ought you not to be curtaining?
ought they not to be curtaining? 	ought I not to have curtained?
ought you not to have curtained?
ought he not to have curtained?
ought we not to have curtained?
ought you not to have curtained?
ought they not to have curtained? 	ought I not to have been curtaining?
ought you not to have been curtaining?
ought he not to have been curtaining?
ought we not to have been curtaining?
ought you not to have been curtaining?
ought they not to have been curtaining?