English verb conjugation
MUST MUDDY

Regular verb: muddy - muddied - muddied

Affirmation

Simple form	V-ing form
I must muddy you must muddy he must muddy we must muddy you must muddy they must muddy	I must be muddying you must be muddying he must be muddying we must be muddying you must be muddying they must be muddying
Perfect	V-ing perfect
I must have muddied you must have muddied he must have muddied we must have muddied you must have muddied they must have muddied	I must have been muddying you must have been muddying he must have been muddying we must have been muddying you must have been muddying they must have been muddying

Negation

Simple form	V-ing form
I must not muddy you must not muddy he must not muddy we must not muddy you must not muddy they must not muddy	I must not be muddying you must not be muddying he must not be muddying we must not be muddying you must not be muddying they must not be muddying
Perfect	V-ing perfect
I must not have muddied you must not have muddied he must not have muddied we must not have muddied you must not have muddied they must not have muddied	I must not have been muddying you must not have been muddying he must not have been muddying we must not have been muddying you must not have been muddying they must not have been muddying

Interrogative form

Simple form	V-ing form
must I muddy? must you muddy? must he muddy? must we muddy? must you muddy? must they muddy?	must I be muddying? must you be muddying? must he be muddying? must we be muddying? must you be muddying? must they be muddying?
Perfect	V-ing perfect
must I have muddied? must you have muddied? must he have muddied? must we have muddied? must you have muddied? must they have muddied?	must I have been muddying? must you have been muddying? must he have been muddying? must we have been muddying? must you have been muddying? must they have been muddying?

Interro-negative form

Simple form	V-ing form
must I not muddy? must you not muddy? must he not muddy? must we not muddy? must you not muddy? must they not muddy?	must I not be muddying? must you not be muddying? must he not be muddying? must we not be muddying? must you not be muddying? must they not be muddying?
Perfect	V-ing perfect
must I not have muddied? must you not have muddied? must he not have muddied? must we not have muddied? must you not have muddied? must they not have muddied?	must I not have been muddying? must you not have been muddying? must he not have been muddying? must we not have been muddying? must you not have been muddying? must they not have been muddying?