must presuppose
Regular verb: presuppose - presupposed- presupposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must presuppose
you must presuppose
she must presuppose
we must presuppose
you must presuppose
they must presuppose 	I must be presupposing
you must be presupposing
she must be presupposing
we must be presupposing
you must be presupposing
they must be presupposing	I must have presupposed
you must have presupposed
she 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
she 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 must not presuppose
you must not presuppose
she must not presuppose
we must not presuppose
you must not presuppose
they must not presuppose 	I must not be presupposing
you must not be presupposing
she must not be presupposing
we must not be presupposing
you must not be presupposing
they must not be presupposing	I must not have presupposed
you must not have presupposed
she must not have presupposed
we must not have presupposed
you must not have presupposed
they must not have presupposed	I must not have been presupposing
you must not have been presupposing
she must not have been presupposing
we must not have been presupposing
you must not have been presupposing
they must not have been presupposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I presuppose?
must you presuppose?
must she presuppose?
must we presuppose?
must you presuppose?
must they presuppose? 	must I be presupposing?
must you be presupposing?
must she be presupposing?
must we be presupposing?
must you be presupposing?
must they be presupposing? 	must I have presupposed?
must you have presupposed?
must she 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 she 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 	
must I not presuppose?
must you not presuppose?
must she not presuppose?
must we not presuppose?
must you not presuppose?
must they not presuppose? 	must I not be presupposing?
must you not be presupposing?
must she not be presupposing?
must we not be presupposing?
must you not be presupposing?
must they not be presupposing? 	must I not have presupposed?
must you not have presupposed?
must she not have presupposed?
must we not have presupposed?
must you not have presupposed?
must they not have presupposed? 	must I not have been presupposing?
must you not have been presupposing?
must she not have been presupposing?
must we not have been presupposing?
must you not have been presupposing?
must they not have been presupposing?