ought to suffix
Regular verb: suffix - suffixed- suffixed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to suffix
you ought to suffix
he ought to suffix
we ought to suffix
you ought to suffix
they ought to suffix 	I ought to be suffixing
you ought to be suffixing
he ought to be suffixing
we ought to be suffixing
you ought to be suffixing
they ought to be suffixing	I ought to have suffixed
you ought to have suffixed
he ought to have suffixed
we ought to have suffixed
you ought to have suffixed
they ought to have suffixed	I ought to have been suffixing
you ought to have been suffixing
he ought to have been suffixing
we ought to have been suffixing
you ought to have been suffixing
they ought to have been suffixing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to suffix
you oughtn't to suffix
he oughtn't to suffix
we oughtn't to suffix
you oughtn't to suffix
they oughtn't to suffix 	I oughtn't to be suffixing
you oughtn't to be suffixing
he oughtn't to be suffixing
we oughtn't to be suffixing
you oughtn't to be suffixing
they oughtn't to be suffixing	I oughtn't to have suffixed
you oughtn't to have suffixed
he oughtn't to have suffixed
we oughtn't to have suffixed
you oughtn't to have suffixed
they oughtn't to have suffixed	I oughtn't to have been suffixing
you oughtn't to have been suffixing
he oughtn't to have been suffixing
we oughtn't to have been suffixing
you oughtn't to have been suffixing
they oughtn't to have been suffixing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I suffix?
ought to you suffix?
ought to he suffix?
ought to we suffix?
ought to you suffix?
ought to they suffix? 	ought to I be suffixing?
ought to you be suffixing?
ought to he be suffixing?
ought to we be suffixing?
ought to you be suffixing?
ought to they be suffixing? 	ought to I have suffixed?
ought to you have suffixed?
ought to he have suffixed?
ought to we have suffixed?
ought to you have suffixed?
ought to they have suffixed? 	ought to I have been suffixing?
ought to you have been suffixing?
ought to he have been suffixing?
ought to we have been suffixing?
ought to you have been suffixing?
ought to they have been suffixing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to suffix?
oughtn't you to suffix?
oughtn't he to suffix?
oughtn't we to suffix?
oughtn't you to suffix?
oughtn't they to suffix? 	oughtn't I to be suffixing?
oughtn't you to be suffixing?
oughtn't he to be suffixing?
oughtn't we to be suffixing?
oughtn't you to be suffixing?
oughtn't they to be suffixing? 	oughtn't I to have suffixed?
oughtn't you to have suffixed?
oughtn't he to have suffixed?
oughtn't we to have suffixed?
oughtn't you to have suffixed?
oughtn't they to have suffixed? 	oughtn't I to have been suffixing?
oughtn't you to have been suffixing?
oughtn't he to have been suffixing?
oughtn't we to have been suffixing?
oughtn't you to have been suffixing?
oughtn't they to have been suffixing?