English verb conjugation
MUST QUELL

Regular verb: quell - quelled - quelled

Affirmation

Simple form	V-ing form
I must quell you must quell she must quell we must quell you must quell they must quell	I must be quelling you must be quelling she must be quelling we must be quelling you must be quelling they must be quelling
Perfect	V-ing perfect
I must have quelled you must have quelled she must have quelled we must have quelled you must have quelled they must have quelled	I must have been quelling you must have been quelling she must have been quelling we must have been quelling you must have been quelling they must have been quelling

Negation

Simple form	V-ing form
I mustn't quell you mustn't quell she mustn't quell we mustn't quell you mustn't quell they mustn't quell	I mustn't be quelling you mustn't be quelling she mustn't be quelling we mustn't be quelling you mustn't be quelling they mustn't be quelling
Perfect	V-ing perfect
I mustn't have quelled you mustn't have quelled she mustn't have quelled we mustn't have quelled you mustn't have quelled they mustn't have quelled	I mustn't have been quelling you mustn't have been quelling she mustn't have been quelling we mustn't have been quelling you mustn't have been quelling they mustn't have been quelling

Interrogative form

Simple form	V-ing form
must I quell? must you quell? must she quell? must we quell? must you quell? must they quell?	must I be quelling? must you be quelling? must she be quelling? must we be quelling? must you be quelling? must they be quelling?
Perfect	V-ing perfect
must I have quelled? must you have quelled? must she have quelled? must we have quelled? must you have quelled? must they have quelled?	must I have been quelling? must you have been quelling? must she have been quelling? must we have been quelling? must you have been quelling? must they have been quelling?

Interro-negative form

Simple form	V-ing form
mustn't I quell? mustn't you quell? mustn't she quell? mustn't we quell? mustn't you quell? mustn't they quell?	mustn't I be quelling? mustn't you be quelling? mustn't she be quelling? mustn't we be quelling? mustn't you be quelling? mustn't they be quelling?
Perfect	V-ing perfect
mustn't I have quelled? mustn't you have quelled? mustn't she have quelled? mustn't we have quelled? mustn't you have quelled? mustn't they have quelled?	mustn't I have been quelling? mustn't you have been quelling? mustn't she have been quelling? mustn't we have been quelling? mustn't you have been quelling? mustn't they have been quelling?