English verb conjugation
MUST PHOTOSTAT

Regular verb: photostat - photostatted - photostatted

Affirmation

Simple form	V-ing form
I must photostat you must photostat he must photostat we must photostat you must photostat they must photostat	I must be photostatting you must be photostatting he must be photostatting we must be photostatting you must be photostatting they must be photostatting
Perfect	V-ing perfect
I must have photostatted you must have photostatted he must have photostatted we must have photostatted you must have photostatted they must have photostatted	I must have been photostatting you must have been photostatting he must have been photostatting we must have been photostatting you must have been photostatting they must have been photostatting

Negation

Simple form	V-ing form
I must not photostat you must not photostat he must not photostat we must not photostat you must not photostat they must not photostat	I must not be photostatting you must not be photostatting he must not be photostatting we must not be photostatting you must not be photostatting they must not be photostatting
Perfect	V-ing perfect
I must not have photostatted you must not have photostatted he must not have photostatted we must not have photostatted you must not have photostatted they must not have photostatted	I must not have been photostatting you must not have been photostatting he must not have been photostatting we must not have been photostatting you must not have been photostatting they must not have been photostatting

Interrogative form

Simple form	V-ing form
must I photostat? must you photostat? must he photostat? must we photostat? must you photostat? must they photostat?	must I be photostatting? must you be photostatting? must he be photostatting? must we be photostatting? must you be photostatting? must they be photostatting?
Perfect	V-ing perfect
must I have photostatted? must you have photostatted? must he have photostatted? must we have photostatted? must you have photostatted? must they have photostatted?	must I have been photostatting? must you have been photostatting? must he have been photostatting? must we have been photostatting? must you have been photostatting? must they have been photostatting?

Interro-negative form

Simple form	V-ing form
must I not photostat? must you not photostat? must he not photostat? must we not photostat? must you not photostat? must they not photostat?	must I not be photostatting? must you not be photostatting? must he not be photostatting? must we not be photostatting? must you not be photostatting? must they not be photostatting?
Perfect	V-ing perfect
must I not have photostatted? must you not have photostatted? must he not have photostatted? must we not have photostatted? must you not have photostatted? must they not have photostatted?	must I not have been photostatting? must you not have been photostatting? must he not have been photostatting? must we not have been photostatting? must you not have been photostatting? must they not have been photostatting?