English verb conjugation
MUST PRESUPPOSE

Regular verb: presuppose - presupposed - presupposed

Affirmation

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