English verb conjugation
MUST NECROPSY

Regular verb: necropsy - necropsied - necropsied

Affirmation

Simple form	V-ing form
I must necropsy you must necropsy she must necropsy we must necropsy you must necropsy they must necropsy	I must be necropsying you must be necropsying she must be necropsying we must be necropsying you must be necropsying they must be necropsying
Perfect	V-ing perfect
I must have necropsied you must have necropsied she must have necropsied we must have necropsied you must have necropsied they must have necropsied	I must have been necropsying you must have been necropsying she must have been necropsying we must have been necropsying you must have been necropsying they must have been necropsying

Negation

Simple form	V-ing form
I must not necropsy you must not necropsy she must not necropsy we must not necropsy you must not necropsy they must not necropsy	I must not be necropsying you must not be necropsying she must not be necropsying we must not be necropsying you must not be necropsying they must not be necropsying
Perfect	V-ing perfect
I must not have necropsied you must not have necropsied she must not have necropsied we must not have necropsied you must not have necropsied they must not have necropsied	I must not have been necropsying you must not have been necropsying she must not have been necropsying we must not have been necropsying you must not have been necropsying they must not have been necropsying

Interrogative form

Simple form	V-ing form
must I necropsy? must you necropsy? must she necropsy? must we necropsy? must you necropsy? must they necropsy?	must I be necropsying? must you be necropsying? must she be necropsying? must we be necropsying? must you be necropsying? must they be necropsying?
Perfect	V-ing perfect
must I have necropsied? must you have necropsied? must she have necropsied? must we have necropsied? must you have necropsied? must they have necropsied?	must I have been necropsying? must you have been necropsying? must she have been necropsying? must we have been necropsying? must you have been necropsying? must they have been necropsying?

Interro-negative form

Simple form	V-ing form
must I not necropsy? must you not necropsy? must she not necropsy? must we not necropsy? must you not necropsy? must they not necropsy?	must I not be necropsying? must you not be necropsying? must she not be necropsying? must we not be necropsying? must you not be necropsying? must they not be necropsying?
Perfect	V-ing perfect
must I not have necropsied? must you not have necropsied? must she not have necropsied? must we not have necropsied? must you not have necropsied? must they not have necropsied?	must I not have been necropsying? must you not have been necropsying? must she not have been necropsying? must we not have been necropsying? must you not have been necropsying? must they not have been necropsying?