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
she 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
she 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
she 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
she 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 oughtn't to convince
you oughtn't to convince
she oughtn't to convince
we oughtn't to convince
you oughtn't to convince
they oughtn't to convince 	I oughtn't to be convincing
you oughtn't to be convincing
she oughtn't to be convincing
we oughtn't to be convincing
you oughtn't to be convincing
they oughtn't to be convincing	I oughtn't to have convinced
you oughtn't to have convinced
she oughtn't to have convinced
we oughtn't to have convinced
you oughtn't to have convinced
they oughtn't to have convinced	I oughtn't to have been convincing
you oughtn't to have been convincing
she oughtn't to have been convincing
we oughtn't to have been convincing
you oughtn't to have been convincing
they oughtn't 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 she 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 she 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 she 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 she 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 	
oughtn't I to convince?
oughtn't you to convince?
oughtn't she to convince?
oughtn't we to convince?
oughtn't you to convince?
oughtn't they to convince? 	oughtn't I to be convincing?
oughtn't you to be convincing?
oughtn't she to be convincing?
oughtn't we to be convincing?
oughtn't you to be convincing?
oughtn't they to be convincing? 	oughtn't I to have convinced?
oughtn't you to have convinced?
oughtn't she to have convinced?
oughtn't we to have convinced?
oughtn't you to have convinced?
oughtn't they to have convinced? 	oughtn't I to have been convincing?
oughtn't you to have been convincing?
oughtn't she to have been convincing?
oughtn't we to have been convincing?
oughtn't you to have been convincing?
oughtn't they to have been convincing?