ought to presuppose
Regular verb: presuppose - presupposed- presupposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to presuppose
you ought to presuppose
she ought to presuppose
we ought to presuppose
you ought to presuppose
they ought to presuppose 	I ought to be presupposing
you ought to be presupposing
she ought to be presupposing
we ought to be presupposing
you ought to be presupposing
they ought to be presupposing	I ought to have presupposed
you ought to have presupposed
she ought to have presupposed
we ought to have presupposed
you ought to have presupposed
they ought to have presupposed	I ought to have been presupposing
you ought to have been presupposing
she ought to have been presupposing
we ought to have been presupposing
you ought to have been presupposing
they ought to have been presupposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to presuppose
you oughtn't to presuppose
she oughtn't to presuppose
we oughtn't to presuppose
you oughtn't to presuppose
they oughtn't to presuppose 	I oughtn't to be presupposing
you oughtn't to be presupposing
she oughtn't to be presupposing
we oughtn't to be presupposing
you oughtn't to be presupposing
they oughtn't to be presupposing	I oughtn't to have presupposed
you oughtn't to have presupposed
she oughtn't to have presupposed
we oughtn't to have presupposed
you oughtn't to have presupposed
they oughtn't to have presupposed	I oughtn't to have been presupposing
you oughtn't to have been presupposing
she oughtn't to have been presupposing
we oughtn't to have been presupposing
you oughtn't to have been presupposing
they oughtn't to have been presupposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I presuppose?
ought to you presuppose?
ought to she presuppose?
ought to we presuppose?
ought to you presuppose?
ought to they presuppose? 	ought to I be presupposing?
ought to you be presupposing?
ought to she be presupposing?
ought to we be presupposing?
ought to you be presupposing?
ought to they be presupposing? 	ought to I have presupposed?
ought to you have presupposed?
ought to she have presupposed?
ought to we have presupposed?
ought to you have presupposed?
ought to they have presupposed? 	ought to I have been presupposing?
ought to you have been presupposing?
ought to she have been presupposing?
ought to we have been presupposing?
ought to you have been presupposing?
ought to they have been presupposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to presuppose?
oughtn't you to presuppose?
oughtn't she to presuppose?
oughtn't we to presuppose?
oughtn't you to presuppose?
oughtn't they to presuppose? 	oughtn't I to be presupposing?
oughtn't you to be presupposing?
oughtn't she to be presupposing?
oughtn't we to be presupposing?
oughtn't you to be presupposing?
oughtn't they to be presupposing? 	oughtn't I to have presupposed?
oughtn't you to have presupposed?
oughtn't she to have presupposed?
oughtn't we to have presupposed?
oughtn't you to have presupposed?
oughtn't they to have presupposed? 	oughtn't I to have been presupposing?
oughtn't you to have been presupposing?
oughtn't she to have been presupposing?
oughtn't we to have been presupposing?
oughtn't you to have been presupposing?
oughtn't they to have been presupposing?