English verb conjugation
MUST PRESUME

Regular verb: presume - presumed - presumed

Affirmation

Simple form	V-ing form
I must presume you must presume he must presume we must presume you must presume they must presume	I must be presuming you must be presuming he must be presuming we must be presuming you must be presuming they must be presuming
Perfect	V-ing perfect
I must have presumed you must have presumed he must have presumed we must have presumed you must have presumed they must have presumed	I must have been presuming you must have been presuming he must have been presuming we must have been presuming you must have been presuming they must have been presuming

Negation

Simple form	V-ing form
I mustn't presume you mustn't presume he mustn't presume we mustn't presume you mustn't presume they mustn't presume	I mustn't be presuming you mustn't be presuming he mustn't be presuming we mustn't be presuming you mustn't be presuming they mustn't be presuming
Perfect	V-ing perfect
I mustn't have presumed you mustn't have presumed he mustn't have presumed we mustn't have presumed you mustn't have presumed they mustn't have presumed	I mustn't have been presuming you mustn't have been presuming he mustn't have been presuming we mustn't have been presuming you mustn't have been presuming they mustn't have been presuming

Interrogative form

Simple form	V-ing form
must I presume? must you presume? must he presume? must we presume? must you presume? must they presume?	must I be presuming? must you be presuming? must he be presuming? must we be presuming? must you be presuming? must they be presuming?
Perfect	V-ing perfect
must I have presumed? must you have presumed? must he have presumed? must we have presumed? must you have presumed? must they have presumed?	must I have been presuming? must you have been presuming? must he have been presuming? must we have been presuming? must you have been presuming? must they have been presuming?

Interro-negative form

Simple form	V-ing form
mustn't I presume? mustn't you presume? mustn't he presume? mustn't we presume? mustn't you presume? mustn't they presume?	mustn't I be presuming? mustn't you be presuming? mustn't he be presuming? mustn't we be presuming? mustn't you be presuming? mustn't they be presuming?
Perfect	V-ing perfect
mustn't I have presumed? mustn't you have presumed? mustn't he have presumed? mustn't we have presumed? mustn't you have presumed? mustn't they have presumed?	mustn't I have been presuming? mustn't you have been presuming? mustn't he have been presuming? mustn't we have been presuming? mustn't you have been presuming? mustn't they have been presuming?