English verb conjugation
MUST SORT

Regular verb: sort - sorted - sorted

Affirmation

Simple form	V-ing form
I must sort you must sort she must sort we must sort you must sort they must sort	I must be sorting you must be sorting she must be sorting we must be sorting you must be sorting they must be sorting
Perfect	V-ing perfect
I must have sorted you must have sorted she must have sorted we must have sorted you must have sorted they must have sorted	I must have been sorting you must have been sorting she must have been sorting we must have been sorting you must have been sorting they must have been sorting

Negation

Simple form	V-ing form
I must not sort you must not sort she must not sort we must not sort you must not sort they must not sort	I must not be sorting you must not be sorting she must not be sorting we must not be sorting you must not be sorting they must not be sorting
Perfect	V-ing perfect
I must not have sorted you must not have sorted she must not have sorted we must not have sorted you must not have sorted they must not have sorted	I must not have been sorting you must not have been sorting she must not have been sorting we must not have been sorting you must not have been sorting they must not have been sorting

Interrogative form

Simple form	V-ing form
must I sort? must you sort? must she sort? must we sort? must you sort? must they sort?	must I be sorting? must you be sorting? must she be sorting? must we be sorting? must you be sorting? must they be sorting?
Perfect	V-ing perfect
must I have sorted? must you have sorted? must she have sorted? must we have sorted? must you have sorted? must they have sorted?	must I have been sorting? must you have been sorting? must she have been sorting? must we have been sorting? must you have been sorting? must they have been sorting?

Interro-negative form

Simple form	V-ing form
must I not sort? must you not sort? must she not sort? must we not sort? must you not sort? must they not sort?	must I not be sorting? must you not be sorting? must she not be sorting? must we not be sorting? must you not be sorting? must they not be sorting?
Perfect	V-ing perfect
must I not have sorted? must you not have sorted? must she not have sorted? must we not have sorted? must you not have sorted? must they not have sorted?	must I not have been sorting? must you not have been sorting? must she not have been sorting? must we not have been sorting? must you not have been sorting? must they not have been sorting?