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 mustn't spume you mustn't spume he mustn't spume we mustn't spume you mustn't spume they mustn't spume	I mustn't be spuming you mustn't be spuming he mustn't be spuming we mustn't be spuming you mustn't be spuming they mustn't be spuming
Perfect	V-ing perfect
I mustn't have spumed you mustn't have spumed he mustn't have spumed we mustn't have spumed you mustn't have spumed they mustn't have spumed	I mustn't have been spuming you mustn't have been spuming he mustn't have been spuming we mustn't have been spuming you mustn't have been spuming they mustn't 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
mustn't I spume? mustn't you spume? mustn't he spume? mustn't we spume? mustn't you spume? mustn't they spume?	mustn't I be spuming? mustn't you be spuming? mustn't he be spuming? mustn't we be spuming? mustn't you be spuming? mustn't they be spuming?
Perfect	V-ing perfect
mustn't I have spumed? mustn't you have spumed? mustn't he have spumed? mustn't we have spumed? mustn't you have spumed? mustn't they have spumed?	mustn't I have been spuming? mustn't you have been spuming? mustn't he have been spuming? mustn't we have been spuming? mustn't you have been spuming? mustn't they have been spuming?