English verb conjugation
MUST EIGHTY-SIX

Regular verb: eighty-six - eighty-sixed - eighty-sixed

Affirmation

Simple form	V-ing form
I must eighty-six you must eighty-six she must eighty-six we must eighty-six you must eighty-six they must eighty-six	I must be eighty-sixing you must be eighty-sixing she must be eighty-sixing we must be eighty-sixing you must be eighty-sixing they must be eighty-sixing
Perfect	V-ing perfect
I must have eighty-sixed you must have eighty-sixed she must have eighty-sixed we must have eighty-sixed you must have eighty-sixed they must have eighty-sixed	I must have been eighty-sixing you must have been eighty-sixing she must have been eighty-sixing we must have been eighty-sixing you must have been eighty-sixing they must have been eighty-sixing

Negation

Simple form	V-ing form
I mustn't eighty-six you mustn't eighty-six she mustn't eighty-six we mustn't eighty-six you mustn't eighty-six they mustn't eighty-six	I mustn't be eighty-sixing you mustn't be eighty-sixing she mustn't be eighty-sixing we mustn't be eighty-sixing you mustn't be eighty-sixing they mustn't be eighty-sixing
Perfect	V-ing perfect
I mustn't have eighty-sixed you mustn't have eighty-sixed she mustn't have eighty-sixed we mustn't have eighty-sixed you mustn't have eighty-sixed they mustn't have eighty-sixed	I mustn't have been eighty-sixing you mustn't have been eighty-sixing she mustn't have been eighty-sixing we mustn't have been eighty-sixing you mustn't have been eighty-sixing they mustn't have been eighty-sixing

Interrogative form

Simple form	V-ing form
must I eighty-six? must you eighty-six? must she eighty-six? must we eighty-six? must you eighty-six? must they eighty-six?	must I be eighty-sixing? must you be eighty-sixing? must she be eighty-sixing? must we be eighty-sixing? must you be eighty-sixing? must they be eighty-sixing?
Perfect	V-ing perfect
must I have eighty-sixed? must you have eighty-sixed? must she have eighty-sixed? must we have eighty-sixed? must you have eighty-sixed? must they have eighty-sixed?	must I have been eighty-sixing? must you have been eighty-sixing? must she have been eighty-sixing? must we have been eighty-sixing? must you have been eighty-sixing? must they have been eighty-sixing?

Interro-negative form

Simple form	V-ing form
mustn't I eighty-six? mustn't you eighty-six? mustn't she eighty-six? mustn't we eighty-six? mustn't you eighty-six? mustn't they eighty-six?	mustn't I be eighty-sixing? mustn't you be eighty-sixing? mustn't she be eighty-sixing? mustn't we be eighty-sixing? mustn't you be eighty-sixing? mustn't they be eighty-sixing?
Perfect	V-ing perfect
mustn't I have eighty-sixed? mustn't you have eighty-sixed? mustn't she have eighty-sixed? mustn't we have eighty-sixed? mustn't you have eighty-sixed? mustn't they have eighty-sixed?	mustn't I have been eighty-sixing? mustn't you have been eighty-sixing? mustn't she have been eighty-sixing? mustn't we have been eighty-sixing? mustn't you have been eighty-sixing? mustn't they have been eighty-sixing?