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 mustn't heliograph you mustn't heliograph he mustn't heliograph we mustn't heliograph you mustn't heliograph they mustn't heliograph	I mustn't be heliographing you mustn't be heliographing he mustn't be heliographing we mustn't be heliographing you mustn't be heliographing they mustn't be heliographing
Perfect	V-ing perfect
I mustn't have heliographed you mustn't have heliographed he mustn't have heliographed we mustn't have heliographed you mustn't have heliographed they mustn't have heliographed	I mustn't have been heliographing you mustn't have been heliographing he mustn't have been heliographing we mustn't have been heliographing you mustn't have been heliographing they mustn't 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
mustn't I heliograph? mustn't you heliograph? mustn't he heliograph? mustn't we heliograph? mustn't you heliograph? mustn't they heliograph?	mustn't I be heliographing? mustn't you be heliographing? mustn't he be heliographing? mustn't we be heliographing? mustn't you be heliographing? mustn't they be heliographing?
Perfect	V-ing perfect
mustn't I have heliographed? mustn't you have heliographed? mustn't he have heliographed? mustn't we have heliographed? mustn't you have heliographed? mustn't they have heliographed?	mustn't I have been heliographing? mustn't you have been heliographing? mustn't he have been heliographing? mustn't we have been heliographing? mustn't you have been heliographing? mustn't they have been heliographing?