English verb conjugation
MUST SPUD

Regular verb: spud - spudded - spudded

Affirmation

Simple form	V-ing form
I must spud you must spud he must spud we must spud you must spud they must spud	I must be spudding you must be spudding he must be spudding we must be spudding you must be spudding they must be spudding
Perfect	V-ing perfect
I must have spudded you must have spudded he must have spudded we must have spudded you must have spudded they must have spudded	I must have been spudding you must have been spudding he must have been spudding we must have been spudding you must have been spudding they must have been spudding

Negation

Simple form	V-ing form
I must not spud you must not spud he must not spud we must not spud you must not spud they must not spud	I must not be spudding you must not be spudding he must not be spudding we must not be spudding you must not be spudding they must not be spudding
Perfect	V-ing perfect
I must not have spudded you must not have spudded he must not have spudded we must not have spudded you must not have spudded they must not have spudded	I must not have been spudding you must not have been spudding he must not have been spudding we must not have been spudding you must not have been spudding they must not have been spudding

Interrogative form

Simple form	V-ing form
must I spud? must you spud? must he spud? must we spud? must you spud? must they spud?	must I be spudding? must you be spudding? must he be spudding? must we be spudding? must you be spudding? must they be spudding?
Perfect	V-ing perfect
must I have spudded? must you have spudded? must he have spudded? must we have spudded? must you have spudded? must they have spudded?	must I have been spudding? must you have been spudding? must he have been spudding? must we have been spudding? must you have been spudding? must they have been spudding?

Interro-negative form

Simple form	V-ing form
must I not spud? must you not spud? must he not spud? must we not spud? must you not spud? must they not spud?	must I not be spudding? must you not be spudding? must he not be spudding? must we not be spudding? must you not be spudding? must they not be spudding?
Perfect	V-ing perfect
must I not have spudded? must you not have spudded? must he not have spudded? must we not have spudded? must you not have spudded? must they not have spudded?	must I not have been spudding? must you not have been spudding? must he not have been spudding? must we not have been spudding? must you not have been spudding? must they not have been spudding?