ought to change
Verbe régulier : change - changed- changed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to change
you ought to change
he ought to change
we ought to change
you ought to change
they ought to change 	I ought to be changing
you ought to be changing
he ought to be changing
we ought to be changing
you ought to be changing
they ought to be changing	I ought to have changed
you ought to have changed
he ought to have changed
we ought to have changed
you ought to have changed
they ought to have changed	I ought to have been changing
you ought to have been changing
he ought to have been changing
we ought to have been changing
you ought to have been changing
they ought to have been changing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to change
you ought not to change
he ought not to change
we ought not to change
you ought not to change
they ought not to change 	I ought not to changing
you ought not to changing
he ought not to changing
we ought not to changing
you ought not to changing
they ought not to changing	I ought not to have changed
you ought not to have changed
he ought not to have changed
we ought not to have changed
you ought not to have changed
they ought not to have changed	I ought not to have been changing
you ought not to have been changing
he ought not to have been changing
we ought not to have been changing
you ought not to have been changing
they ought not to have been changing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I change?
ought to you change?
ought to he change?
ought to we change?
ought to you change?
ought to they change? 	ought to I be changing?
ought to you be changing?
ought to he be changing?
ought to we be changing?
ought to you be changing?
ought to they be changing? 	ought to I have changed?
ought to you have changed?
ought to he have changed?
ought to we have changed?
ought to you have changed?
ought to they have changed? 	ought to I have been changing?
ought to you have been changing?
ought to he have been changing?
ought to we have been changing?
ought to you have been changing?
ought to they have been changing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to change?
ought you not to change?
ought he not to change?
ought we not to change?
ought you not to change?
ought they not to change? 	ought I not to be changing?
ought you not to be changing?
ought he not to be changing?
ought we not to be changing?
ought you not to be changing?
ought they not to be changing? 	ought I not to have changed?
ought you not to have changed?
ought he not to have changed?
ought we not to have changed?
ought you not to have changed?
ought they not to have changed? 	ought I not to have been changing?
ought you not to have been changing?
ought he not to have been changing?
ought we not to have been changing?
ought you not to have been changing?
ought they not to have been changing?