English verb conjugation
MUST SPUME

Regular verb: spume - spumed - spumed

Affirmation

Simple form	V-ing form
I must spume you must spume he must spume we must spume you must spume they must spume	I must be spuming you must be spuming he must be spuming we must be spuming you must be spuming they must be spuming
Perfect	V-ing perfect
I must have spumed you must have spumed he must have spumed we must have spumed you must have spumed they must have spumed	I must have been spuming you must have been spuming he must have been spuming we must have been spuming you must have been spuming they must have been spuming

Negation

Simple form	V-ing form
I must not spume you must not spume he must not spume we must not spume you must not spume they must not spume	I must not be spuming you must not be spuming he must not be spuming we must not be spuming you must not be spuming they must not be spuming
Perfect	V-ing perfect
I must not have spumed you must not have spumed he must not have spumed we must not have spumed you must not have spumed they must not have spumed	I must not have been spuming you must not have been spuming he must not have been spuming we must not have been spuming you must not have been spuming they must not have been spuming

Interrogative form

Simple form	V-ing form
must I spume? must you spume? must he spume? must we spume? must you spume? must they spume?	must I be spuming? must you be spuming? must he be spuming? must we be spuming? must you be spuming? must they be spuming?
Perfect	V-ing perfect
must I have spumed? must you have spumed? must he have spumed? must we have spumed? must you have spumed? must they have spumed?	must I have been spuming? must you have been spuming? must he have been spuming? must we have been spuming? must you have been spuming? must they have been spuming?

Interro-negative form

Simple form	V-ing form
must I not spume? must you not spume? must he not spume? must we not spume? must you not spume? must they not spume?	must I not be spuming? must you not be spuming? must he not be spuming? must we not be spuming? must you not be spuming? must they not be spuming?
Perfect	V-ing perfect
must I not have spumed? must you not have spumed? must he not have spumed? must we not have spumed? must you not have spumed? must they not have spumed?	must I not have been spuming? must you not have been spuming? must he not have been spuming? must we not have been spuming? must you not have been spuming? must they not have been spuming?