English verb conjugation
MUST COTTON

Regular verb: cotton - cottoned - cottoned

Affirmation

Simple form	V-ing form
I must cotton you must cotton he must cotton we must cotton you must cotton they must cotton	I must be cottoning you must be cottoning he must be cottoning we must be cottoning you must be cottoning they must be cottoning
Perfect	V-ing perfect
I must have cottoned you must have cottoned he must have cottoned we must have cottoned you must have cottoned they must have cottoned	I must have been cottoning you must have been cottoning he must have been cottoning we must have been cottoning you must have been cottoning they must have been cottoning

Negation

Simple form	V-ing form
I mustn't cotton you mustn't cotton he mustn't cotton we mustn't cotton you mustn't cotton they mustn't cotton	I mustn't be cottoning you mustn't be cottoning he mustn't be cottoning we mustn't be cottoning you mustn't be cottoning they mustn't be cottoning
Perfect	V-ing perfect
I mustn't have cottoned you mustn't have cottoned he mustn't have cottoned we mustn't have cottoned you mustn't have cottoned they mustn't have cottoned	I mustn't have been cottoning you mustn't have been cottoning he mustn't have been cottoning we mustn't have been cottoning you mustn't have been cottoning they mustn't have been cottoning

Interrogative form

Simple form	V-ing form
must I cotton? must you cotton? must he cotton? must we cotton? must you cotton? must they cotton?	must I be cottoning? must you be cottoning? must he be cottoning? must we be cottoning? must you be cottoning? must they be cottoning?
Perfect	V-ing perfect
must I have cottoned? must you have cottoned? must he have cottoned? must we have cottoned? must you have cottoned? must they have cottoned?	must I have been cottoning? must you have been cottoning? must he have been cottoning? must we have been cottoning? must you have been cottoning? must they have been cottoning?

Interro-negative form

Simple form	V-ing form
mustn't I cotton? mustn't you cotton? mustn't he cotton? mustn't we cotton? mustn't you cotton? mustn't they cotton?	mustn't I be cottoning? mustn't you be cottoning? mustn't he be cottoning? mustn't we be cottoning? mustn't you be cottoning? mustn't they be cottoning?
Perfect	V-ing perfect
mustn't I have cottoned? mustn't you have cottoned? mustn't he have cottoned? mustn't we have cottoned? mustn't you have cottoned? mustn't they have cottoned?	mustn't I have been cottoning? mustn't you have been cottoning? mustn't he have been cottoning? mustn't we have been cottoning? mustn't you have been cottoning? mustn't they have been cottoning?