English verb conjugation
MUST PRESELECT

Regular verb: preselect - preselected - preselected

Affirmation

Simple form	V-ing form
I must preselect you must preselect he must preselect we must preselect you must preselect they must preselect	I must be preselecting you must be preselecting he must be preselecting we must be preselecting you must be preselecting they must be preselecting
Perfect	V-ing perfect
I must have preselected you must have preselected he must have preselected we must have preselected you must have preselected they must have preselected	I must have been preselecting you must have been preselecting he must have been preselecting we must have been preselecting you must have been preselecting they must have been preselecting

Negation

Simple form	V-ing form
I mustn't preselect you mustn't preselect he mustn't preselect we mustn't preselect you mustn't preselect they mustn't preselect	I mustn't be preselecting you mustn't be preselecting he mustn't be preselecting we mustn't be preselecting you mustn't be preselecting they mustn't be preselecting
Perfect	V-ing perfect
I mustn't have preselected you mustn't have preselected he mustn't have preselected we mustn't have preselected you mustn't have preselected they mustn't have preselected	I mustn't have been preselecting you mustn't have been preselecting he mustn't have been preselecting we mustn't have been preselecting you mustn't have been preselecting they mustn't have been preselecting

Interrogative form

Simple form	V-ing form
must I preselect? must you preselect? must he preselect? must we preselect? must you preselect? must they preselect?	must I be preselecting? must you be preselecting? must he be preselecting? must we be preselecting? must you be preselecting? must they be preselecting?
Perfect	V-ing perfect
must I have preselected? must you have preselected? must he have preselected? must we have preselected? must you have preselected? must they have preselected?	must I have been preselecting? must you have been preselecting? must he have been preselecting? must we have been preselecting? must you have been preselecting? must they have been preselecting?

Interro-negative form

Simple form	V-ing form
mustn't I preselect? mustn't you preselect? mustn't he preselect? mustn't we preselect? mustn't you preselect? mustn't they preselect?	mustn't I be preselecting? mustn't you be preselecting? mustn't he be preselecting? mustn't we be preselecting? mustn't you be preselecting? mustn't they be preselecting?
Perfect	V-ing perfect
mustn't I have preselected? mustn't you have preselected? mustn't he have preselected? mustn't we have preselected? mustn't you have preselected? mustn't they have preselected?	mustn't I have been preselecting? mustn't you have been preselecting? mustn't he have been preselecting? mustn't we have been preselecting? mustn't you have been preselecting? mustn't they have been preselecting?