ought to convince
Regular verb: convince - convinced- convinced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to convince
you ought to convince
he ought to convince
we ought to convince
you ought to convince
they ought to convince 	I ought to be convincing
you ought to be convincing
he ought to be convincing
we ought to be convincing
you ought to be convincing
they ought to be convincing	I ought to have convinced
you ought to have convinced
he ought to have convinced
we ought to have convinced
you ought to have convinced
they ought to have convinced	I ought to have been convincing
you ought to have been convincing
he ought to have been convincing
we ought to have been convincing
you ought to have been convincing
they ought to have been convincing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to convince
you ought not to convince
he ought not to convince
we ought not to convince
you ought not to convince
they ought not to convince 	I ought not to convincing
you ought not to convincing
he ought not to convincing
we ought not to convincing
you ought not to convincing
they ought not to convincing	I ought not to have convinced
you ought not to have convinced
he ought not to have convinced
we ought not to have convinced
you ought not to have convinced
they ought not to have convinced	I ought not to have been convincing
you ought not to have been convincing
he ought not to have been convincing
we ought not to have been convincing
you ought not to have been convincing
they ought not to have been convincing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I convince?
ought to you convince?
ought to he convince?
ought to we convince?
ought to you convince?
ought to they convince? 	ought to I be convincing?
ought to you be convincing?
ought to he be convincing?
ought to we be convincing?
ought to you be convincing?
ought to they be convincing? 	ought to I have convinced?
ought to you have convinced?
ought to he have convinced?
ought to we have convinced?
ought to you have convinced?
ought to they have convinced? 	ought to I have been convincing?
ought to you have been convincing?
ought to he have been convincing?
ought to we have been convincing?
ought to you have been convincing?
ought to they have been convincing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to convince?
ought you not to convince?
ought he not to convince?
ought we not to convince?
ought you not to convince?
ought they not to convince? 	ought I not to be convincing?
ought you not to be convincing?
ought he not to be convincing?
ought we not to be convincing?
ought you not to be convincing?
ought they not to be convincing? 	ought I not to have convinced?
ought you not to have convinced?
ought he not to have convinced?
ought we not to have convinced?
ought you not to have convinced?
ought they not to have convinced? 	ought I not to have been convincing?
ought you not to have been convincing?
ought he not to have been convincing?
ought we not to have been convincing?
ought you not to have been convincing?
ought they not to have been convincing?