English verb conjugation
MUST SPEEDBALL

Regular verb: speedball - speedballed - speedballed

Affirmation

Simple form	V-ing form
I must speedball you must speedball he must speedball we must speedball you must speedball they must speedball	I must be speedballing you must be speedballing he must be speedballing we must be speedballing you must be speedballing they must be speedballing
Perfect	V-ing perfect
I must have speedballed you must have speedballed he must have speedballed we must have speedballed you must have speedballed they must have speedballed	I must have been speedballing you must have been speedballing he must have been speedballing we must have been speedballing you must have been speedballing they must have been speedballing

Negation

Simple form	V-ing form
I mustn't speedball you mustn't speedball he mustn't speedball we mustn't speedball you mustn't speedball they mustn't speedball	I mustn't be speedballing you mustn't be speedballing he mustn't be speedballing we mustn't be speedballing you mustn't be speedballing they mustn't be speedballing
Perfect	V-ing perfect
I mustn't have speedballed you mustn't have speedballed he mustn't have speedballed we mustn't have speedballed you mustn't have speedballed they mustn't have speedballed	I mustn't have been speedballing you mustn't have been speedballing he mustn't have been speedballing we mustn't have been speedballing you mustn't have been speedballing they mustn't have been speedballing

Interrogative form

Simple form	V-ing form
must I speedball? must you speedball? must he speedball? must we speedball? must you speedball? must they speedball?	must I be speedballing? must you be speedballing? must he be speedballing? must we be speedballing? must you be speedballing? must they be speedballing?
Perfect	V-ing perfect
must I have speedballed? must you have speedballed? must he have speedballed? must we have speedballed? must you have speedballed? must they have speedballed?	must I have been speedballing? must you have been speedballing? must he have been speedballing? must we have been speedballing? must you have been speedballing? must they have been speedballing?

Interro-negative form

Simple form	V-ing form
mustn't I speedball? mustn't you speedball? mustn't he speedball? mustn't we speedball? mustn't you speedball? mustn't they speedball?	mustn't I be speedballing? mustn't you be speedballing? mustn't he be speedballing? mustn't we be speedballing? mustn't you be speedballing? mustn't they be speedballing?
Perfect	V-ing perfect
mustn't I have speedballed? mustn't you have speedballed? mustn't he have speedballed? mustn't we have speedballed? mustn't you have speedballed? mustn't they have speedballed?	mustn't I have been speedballing? mustn't you have been speedballing? mustn't he have been speedballing? mustn't we have been speedballing? mustn't you have been speedballing? mustn't they have been speedballing?