English verb conjugation
MUST PHOTOCOPY

Regular verb: photocopy - photocopied - photocopied

Affirmation

Simple form	V-ing form
I must photocopy you must photocopy he must photocopy we must photocopy you must photocopy they must photocopy	I must be photocopying you must be photocopying he must be photocopying we must be photocopying you must be photocopying they must be photocopying
Perfect	V-ing perfect
I must have photocopied you must have photocopied he must have photocopied we must have photocopied you must have photocopied they must have photocopied	I must have been photocopying you must have been photocopying he must have been photocopying we must have been photocopying you must have been photocopying they must have been photocopying

Negation

Simple form	V-ing form
I must not photocopy you must not photocopy he must not photocopy we must not photocopy you must not photocopy they must not photocopy	I must not be photocopying you must not be photocopying he must not be photocopying we must not be photocopying you must not be photocopying they must not be photocopying
Perfect	V-ing perfect
I must not have photocopied you must not have photocopied he must not have photocopied we must not have photocopied you must not have photocopied they must not have photocopied	I must not have been photocopying you must not have been photocopying he must not have been photocopying we must not have been photocopying you must not have been photocopying they must not have been photocopying

Interrogative form

Simple form	V-ing form
must I photocopy? must you photocopy? must he photocopy? must we photocopy? must you photocopy? must they photocopy?	must I be photocopying? must you be photocopying? must he be photocopying? must we be photocopying? must you be photocopying? must they be photocopying?
Perfect	V-ing perfect
must I have photocopied? must you have photocopied? must he have photocopied? must we have photocopied? must you have photocopied? must they have photocopied?	must I have been photocopying? must you have been photocopying? must he have been photocopying? must we have been photocopying? must you have been photocopying? must they have been photocopying?

Interro-negative form

Simple form	V-ing form
must I not photocopy? must you not photocopy? must he not photocopy? must we not photocopy? must you not photocopy? must they not photocopy?	must I not be photocopying? must you not be photocopying? must he not be photocopying? must we not be photocopying? must you not be photocopying? must they not be photocopying?
Perfect	V-ing perfect
must I not have photocopied? must you not have photocopied? must he not have photocopied? must we not have photocopied? must you not have photocopied? must they not have photocopied?	must I not have been photocopying? must you not have been photocopying? must he not have been photocopying? must we not have been photocopying? must you not have been photocopying? must they not have been photocopying?