English verb conjugation
MUST PRETESTIFY

Regular verb: pretestify - pretestified - pretestified

Affirmation

Simple form	V-ing form
I must pretestify you must pretestify he must pretestify we must pretestify you must pretestify they must pretestify	I must be pretestifying you must be pretestifying he must be pretestifying we must be pretestifying you must be pretestifying they must be pretestifying
Perfect	V-ing perfect
I must have pretestified you must have pretestified he must have pretestified we must have pretestified you must have pretestified they must have pretestified	I must have been pretestifying you must have been pretestifying he must have been pretestifying we must have been pretestifying you must have been pretestifying they must have been pretestifying

Negation

Simple form	V-ing form
I mustn't pretestify you mustn't pretestify he mustn't pretestify we mustn't pretestify you mustn't pretestify they mustn't pretestify	I mustn't be pretestifying you mustn't be pretestifying he mustn't be pretestifying we mustn't be pretestifying you mustn't be pretestifying they mustn't be pretestifying
Perfect	V-ing perfect
I mustn't have pretestified you mustn't have pretestified he mustn't have pretestified we mustn't have pretestified you mustn't have pretestified they mustn't have pretestified	I mustn't have been pretestifying you mustn't have been pretestifying he mustn't have been pretestifying we mustn't have been pretestifying you mustn't have been pretestifying they mustn't have been pretestifying

Interrogative form

Simple form	V-ing form
must I pretestify? must you pretestify? must he pretestify? must we pretestify? must you pretestify? must they pretestify?	must I be pretestifying? must you be pretestifying? must he be pretestifying? must we be pretestifying? must you be pretestifying? must they be pretestifying?
Perfect	V-ing perfect
must I have pretestified? must you have pretestified? must he have pretestified? must we have pretestified? must you have pretestified? must they have pretestified?	must I have been pretestifying? must you have been pretestifying? must he have been pretestifying? must we have been pretestifying? must you have been pretestifying? must they have been pretestifying?

Interro-negative form

Simple form	V-ing form
mustn't I pretestify? mustn't you pretestify? mustn't he pretestify? mustn't we pretestify? mustn't you pretestify? mustn't they pretestify?	mustn't I be pretestifying? mustn't you be pretestifying? mustn't he be pretestifying? mustn't we be pretestifying? mustn't you be pretestifying? mustn't they be pretestifying?
Perfect	V-ing perfect
mustn't I have pretestified? mustn't you have pretestified? mustn't he have pretestified? mustn't we have pretestified? mustn't you have pretestified? mustn't they have pretestified?	mustn't I have been pretestifying? mustn't you have been pretestifying? mustn't he have been pretestifying? mustn't we have been pretestifying? mustn't you have been pretestifying? mustn't they have been pretestifying?