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 mustn't necropsy you mustn't necropsy she mustn't necropsy we mustn't necropsy you mustn't necropsy they mustn't necropsy	I mustn't be necropsying you mustn't be necropsying she mustn't be necropsying we mustn't be necropsying you mustn't be necropsying they mustn't be necropsying
Perfect	V-ing perfect
I mustn't have necropsied you mustn't have necropsied she mustn't have necropsied we mustn't have necropsied you mustn't have necropsied they mustn't have necropsied	I mustn't have been necropsying you mustn't have been necropsying she mustn't have been necropsying we mustn't have been necropsying you mustn't have been necropsying they mustn't 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
mustn't I necropsy? mustn't you necropsy? mustn't she necropsy? mustn't we necropsy? mustn't you necropsy? mustn't they necropsy?	mustn't I be necropsying? mustn't you be necropsying? mustn't she be necropsying? mustn't we be necropsying? mustn't you be necropsying? mustn't they be necropsying?
Perfect	V-ing perfect
mustn't I have necropsied? mustn't you have necropsied? mustn't she have necropsied? mustn't we have necropsied? mustn't you have necropsied? mustn't they have necropsied?	mustn't I have been necropsying? mustn't you have been necropsying? mustn't she have been necropsying? mustn't we have been necropsying? mustn't you have been necropsying? mustn't they have been necropsying?