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 must not cotton you must not cotton he must not cotton we must not cotton you must not cotton they must not cotton	I must not be cottoning you must not be cottoning he must not be cottoning we must not be cottoning you must not be cottoning they must not be cottoning
Perfect	V-ing perfect
I must not have cottoned you must not have cottoned he must not have cottoned we must not have cottoned you must not have cottoned they must not have cottoned	I must not have been cottoning you must not have been cottoning he must not have been cottoning we must not have been cottoning you must not have been cottoning they must not 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
must I not cotton? must you not cotton? must he not cotton? must we not cotton? must you not cotton? must they not cotton?	must I not be cottoning? must you not be cottoning? must he not be cottoning? must we not be cottoning? must you not be cottoning? must they not be cottoning?
Perfect	V-ing perfect
must I not have cottoned? must you not have cottoned? must he not have cottoned? must we not have cottoned? must you not have cottoned? must they not have cottoned?	must I not have been cottoning? must you not have been cottoning? must he not have been cottoning? must we not have been cottoning? must you not have been cottoning? must they not have been cottoning?