English verb conjugation
MUST COP

Regular verb: cop - copped - copped

Affirmation

Simple form	V-ing form
I must cop you must cop he must cop we must cop you must cop they must cop	I must be copping you must be copping he must be copping we must be copping you must be copping they must be copping
Perfect	V-ing perfect
I must have copped you must have copped he must have copped we must have copped you must have copped they must have copped	I must have been copping you must have been copping he must have been copping we must have been copping you must have been copping they must have been copping

Negation

Simple form	V-ing form
I must not cop you must not cop he must not cop we must not cop you must not cop they must not cop	I must not be copping you must not be copping he must not be copping we must not be copping you must not be copping they must not be copping
Perfect	V-ing perfect
I must not have copped you must not have copped he must not have copped we must not have copped you must not have copped they must not have copped	I must not have been copping you must not have been copping he must not have been copping we must not have been copping you must not have been copping they must not have been copping

Interrogative form

Simple form	V-ing form
must I cop? must you cop? must he cop? must we cop? must you cop? must they cop?	must I be copping? must you be copping? must he be copping? must we be copping? must you be copping? must they be copping?
Perfect	V-ing perfect
must I have copped? must you have copped? must he have copped? must we have copped? must you have copped? must they have copped?	must I have been copping? must you have been copping? must he have been copping? must we have been copping? must you have been copping? must they have been copping?

Interro-negative form

Simple form	V-ing form
must I not cop? must you not cop? must he not cop? must we not cop? must you not cop? must they not cop?	must I not be copping? must you not be copping? must he not be copping? must we not be copping? must you not be copping? must they not be copping?
Perfect	V-ing perfect
must I not have copped? must you not have copped? must he not have copped? must we not have copped? must you not have copped? must they not have copped?	must I not have been copping? must you not have been copping? must he not have been copping? must we not have been copping? must you not have been copping? must they not have been copping?