English verb conjugation
MUST HELIOGRAPH

Regular verb: heliograph - heliographed - heliographed

Affirmation

Simple form	V-ing form
I must heliograph you must heliograph he must heliograph we must heliograph you must heliograph they must heliograph	I must be heliographing you must be heliographing he must be heliographing we must be heliographing you must be heliographing they must be heliographing
Perfect	V-ing perfect
I must have heliographed you must have heliographed he must have heliographed we must have heliographed you must have heliographed they must have heliographed	I must have been heliographing you must have been heliographing he must have been heliographing we must have been heliographing you must have been heliographing they must have been heliographing

Negation

Simple form	V-ing form
I must not heliograph you must not heliograph he must not heliograph we must not heliograph you must not heliograph they must not heliograph	I must not be heliographing you must not be heliographing he must not be heliographing we must not be heliographing you must not be heliographing they must not be heliographing
Perfect	V-ing perfect
I must not have heliographed you must not have heliographed he must not have heliographed we must not have heliographed you must not have heliographed they must not have heliographed	I must not have been heliographing you must not have been heliographing he must not have been heliographing we must not have been heliographing you must not have been heliographing they must not have been heliographing

Interrogative form

Simple form	V-ing form
must I heliograph? must you heliograph? must he heliograph? must we heliograph? must you heliograph? must they heliograph?	must I be heliographing? must you be heliographing? must he be heliographing? must we be heliographing? must you be heliographing? must they be heliographing?
Perfect	V-ing perfect
must I have heliographed? must you have heliographed? must he have heliographed? must we have heliographed? must you have heliographed? must they have heliographed?	must I have been heliographing? must you have been heliographing? must he have been heliographing? must we have been heliographing? must you have been heliographing? must they have been heliographing?

Interro-negative form

Simple form	V-ing form
must I not heliograph? must you not heliograph? must he not heliograph? must we not heliograph? must you not heliograph? must they not heliograph?	must I not be heliographing? must you not be heliographing? must he not be heliographing? must we not be heliographing? must you not be heliographing? must they not be heliographing?
Perfect	V-ing perfect
must I not have heliographed? must you not have heliographed? must he not have heliographed? must we not have heliographed? must you not have heliographed? must they not have heliographed?	must I not have been heliographing? must you not have been heliographing? must he not have been heliographing? must we not have been heliographing? must you not have been heliographing? must they not have been heliographing?