must presuppose
Regular verb: presuppose - presupposed- presupposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must presuppose
you must presuppose
he must presuppose
we must presuppose
you must presuppose
they must presuppose 	I must be presupposing
you must be presupposing
he must be presupposing
we must be presupposing
you must be presupposing
they must be presupposing	I must have presupposed
you must have presupposed
he must have presupposed
we must have presupposed
you must have presupposed
they must have presupposed	I must have been presupposing
you must have been presupposing
he must have been presupposing
we must have been presupposing
you must have been presupposing
they must have been presupposing	

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

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I presuppose?
must you presuppose?
must he presuppose?
must we presuppose?
must you presuppose?
must they presuppose? 	must I be presupposing?
must you be presupposing?
must he be presupposing?
must we be presupposing?
must you be presupposing?
must they be presupposing? 	must I have presupposed?
must you have presupposed?
must he have presupposed?
must we have presupposed?
must you have presupposed?
must they have presupposed? 	must I have been presupposing?
must you have been presupposing?
must he have been presupposing?
must we have been presupposing?
must you have been presupposing?
must they have been presupposing? 	

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