ought to suffice
Regular verb: suffice - sufficed- sufficed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to suffice
you ought to suffice
she ought to suffice
we ought to suffice
you ought to suffice
they ought to suffice 	I ought to be sufficing
you ought to be sufficing
she ought to be sufficing
we ought to be sufficing
you ought to be sufficing
they ought to be sufficing	I ought to have sufficed
you ought to have sufficed
she ought to have sufficed
we ought to have sufficed
you ought to have sufficed
they ought to have sufficed	I ought to have been sufficing
you ought to have been sufficing
she ought to have been sufficing
we ought to have been sufficing
you ought to have been sufficing
they ought to have been sufficing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to suffice
you oughtn't to suffice
she oughtn't to suffice
we oughtn't to suffice
you oughtn't to suffice
they oughtn't to suffice 	I oughtn't to be sufficing
you oughtn't to be sufficing
she oughtn't to be sufficing
we oughtn't to be sufficing
you oughtn't to be sufficing
they oughtn't to be sufficing	I oughtn't to have sufficed
you oughtn't to have sufficed
she oughtn't to have sufficed
we oughtn't to have sufficed
you oughtn't to have sufficed
they oughtn't to have sufficed	I oughtn't to have been sufficing
you oughtn't to have been sufficing
she oughtn't to have been sufficing
we oughtn't to have been sufficing
you oughtn't to have been sufficing
they oughtn't to have been sufficing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I suffice?
ought to you suffice?
ought to she suffice?
ought to we suffice?
ought to you suffice?
ought to they suffice? 	ought to I be sufficing?
ought to you be sufficing?
ought to she be sufficing?
ought to we be sufficing?
ought to you be sufficing?
ought to they be sufficing? 	ought to I have sufficed?
ought to you have sufficed?
ought to she have sufficed?
ought to we have sufficed?
ought to you have sufficed?
ought to they have sufficed? 	ought to I have been sufficing?
ought to you have been sufficing?
ought to she have been sufficing?
ought to we have been sufficing?
ought to you have been sufficing?
ought to they have been sufficing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to suffice?
oughtn't you to suffice?
oughtn't she to suffice?
oughtn't we to suffice?
oughtn't you to suffice?
oughtn't they to suffice? 	oughtn't I to be sufficing?
oughtn't you to be sufficing?
oughtn't she to be sufficing?
oughtn't we to be sufficing?
oughtn't you to be sufficing?
oughtn't they to be sufficing? 	oughtn't I to have sufficed?
oughtn't you to have sufficed?
oughtn't she to have sufficed?
oughtn't we to have sufficed?
oughtn't you to have sufficed?
oughtn't they to have sufficed? 	oughtn't I to have been sufficing?
oughtn't you to have been sufficing?
oughtn't she to have been sufficing?
oughtn't we to have been sufficing?
oughtn't you to have been sufficing?
oughtn't they to have been sufficing?