English verb conjugation
MUST PRESCREEN

Regular verb: prescreen - prescreened - prescreened

Affirmation

Simple form	V-ing form
I must prescreen you must prescreen he must prescreen we must prescreen you must prescreen they must prescreen	I must be prescreening you must be prescreening he must be prescreening we must be prescreening you must be prescreening they must be prescreening
Perfect	V-ing perfect
I must have prescreened you must have prescreened he must have prescreened we must have prescreened you must have prescreened they must have prescreened	I must have been prescreening you must have been prescreening he must have been prescreening we must have been prescreening you must have been prescreening they must have been prescreening

Negation

Simple form	V-ing form
I mustn't prescreen you mustn't prescreen he mustn't prescreen we mustn't prescreen you mustn't prescreen they mustn't prescreen	I mustn't be prescreening you mustn't be prescreening he mustn't be prescreening we mustn't be prescreening you mustn't be prescreening they mustn't be prescreening
Perfect	V-ing perfect
I mustn't have prescreened you mustn't have prescreened he mustn't have prescreened we mustn't have prescreened you mustn't have prescreened they mustn't have prescreened	I mustn't have been prescreening you mustn't have been prescreening he mustn't have been prescreening we mustn't have been prescreening you mustn't have been prescreening they mustn't have been prescreening

Interrogative form

Simple form	V-ing form
must I prescreen? must you prescreen? must he prescreen? must we prescreen? must you prescreen? must they prescreen?	must I be prescreening? must you be prescreening? must he be prescreening? must we be prescreening? must you be prescreening? must they be prescreening?
Perfect	V-ing perfect
must I have prescreened? must you have prescreened? must he have prescreened? must we have prescreened? must you have prescreened? must they have prescreened?	must I have been prescreening? must you have been prescreening? must he have been prescreening? must we have been prescreening? must you have been prescreening? must they have been prescreening?

Interro-negative form

Simple form	V-ing form
mustn't I prescreen? mustn't you prescreen? mustn't he prescreen? mustn't we prescreen? mustn't you prescreen? mustn't they prescreen?	mustn't I be prescreening? mustn't you be prescreening? mustn't he be prescreening? mustn't we be prescreening? mustn't you be prescreening? mustn't they be prescreening?
Perfect	V-ing perfect
mustn't I have prescreened? mustn't you have prescreened? mustn't he have prescreened? mustn't we have prescreened? mustn't you have prescreened? mustn't they have prescreened?	mustn't I have been prescreening? mustn't you have been prescreening? mustn't he have been prescreening? mustn't we have been prescreening? mustn't you have been prescreening? mustn't they have been prescreening?