English verb conjugation
MUST DECAPITATE

Regular verb: decapitate - decapitated - decapitated

Affirmation

Simple form	V-ing form
I must decapitate you must decapitate she must decapitate we must decapitate you must decapitate they must decapitate	I must be decapitating you must be decapitating she must be decapitating we must be decapitating you must be decapitating they must be decapitating
Perfect	V-ing perfect
I must have decapitated you must have decapitated she must have decapitated we must have decapitated you must have decapitated they must have decapitated	I must have been decapitating you must have been decapitating she must have been decapitating we must have been decapitating you must have been decapitating they must have been decapitating

Negation

Simple form	V-ing form
I mustn't decapitate you mustn't decapitate she mustn't decapitate we mustn't decapitate you mustn't decapitate they mustn't decapitate	I mustn't be decapitating you mustn't be decapitating she mustn't be decapitating we mustn't be decapitating you mustn't be decapitating they mustn't be decapitating
Perfect	V-ing perfect
I mustn't have decapitated you mustn't have decapitated she mustn't have decapitated we mustn't have decapitated you mustn't have decapitated they mustn't have decapitated	I mustn't have been decapitating you mustn't have been decapitating she mustn't have been decapitating we mustn't have been decapitating you mustn't have been decapitating they mustn't have been decapitating

Interrogative form

Simple form	V-ing form
must I decapitate? must you decapitate? must she decapitate? must we decapitate? must you decapitate? must they decapitate?	must I be decapitating? must you be decapitating? must she be decapitating? must we be decapitating? must you be decapitating? must they be decapitating?
Perfect	V-ing perfect
must I have decapitated? must you have decapitated? must she have decapitated? must we have decapitated? must you have decapitated? must they have decapitated?	must I have been decapitating? must you have been decapitating? must she have been decapitating? must we have been decapitating? must you have been decapitating? must they have been decapitating?

Interro-negative form

Simple form	V-ing form
mustn't I decapitate? mustn't you decapitate? mustn't she decapitate? mustn't we decapitate? mustn't you decapitate? mustn't they decapitate?	mustn't I be decapitating? mustn't you be decapitating? mustn't she be decapitating? mustn't we be decapitating? mustn't you be decapitating? mustn't they be decapitating?
Perfect	V-ing perfect
mustn't I have decapitated? mustn't you have decapitated? mustn't she have decapitated? mustn't we have decapitated? mustn't you have decapitated? mustn't they have decapitated?	mustn't I have been decapitating? mustn't you have been decapitating? mustn't she have been decapitating? mustn't we have been decapitating? mustn't you have been decapitating? mustn't they have been decapitating?