English verb conjugation
MUST PRETEST

Regular verb: pretest - pretested - pretested

Affirmation

Simple form	V-ing form
I must pretest you must pretest he must pretest we must pretest you must pretest they must pretest	I must be pretesting you must be pretesting he must be pretesting we must be pretesting you must be pretesting they must be pretesting
Perfect	V-ing perfect
I must have pretested you must have pretested he must have pretested we must have pretested you must have pretested they must have pretested	I must have been pretesting you must have been pretesting he must have been pretesting we must have been pretesting you must have been pretesting they must have been pretesting

Negation

Simple form	V-ing form
I mustn't pretest you mustn't pretest he mustn't pretest we mustn't pretest you mustn't pretest they mustn't pretest	I mustn't be pretesting you mustn't be pretesting he mustn't be pretesting we mustn't be pretesting you mustn't be pretesting they mustn't be pretesting
Perfect	V-ing perfect
I mustn't have pretested you mustn't have pretested he mustn't have pretested we mustn't have pretested you mustn't have pretested they mustn't have pretested	I mustn't have been pretesting you mustn't have been pretesting he mustn't have been pretesting we mustn't have been pretesting you mustn't have been pretesting they mustn't have been pretesting

Interrogative form

Simple form	V-ing form
must I pretest? must you pretest? must he pretest? must we pretest? must you pretest? must they pretest?	must I be pretesting? must you be pretesting? must he be pretesting? must we be pretesting? must you be pretesting? must they be pretesting?
Perfect	V-ing perfect
must I have pretested? must you have pretested? must he have pretested? must we have pretested? must you have pretested? must they have pretested?	must I have been pretesting? must you have been pretesting? must he have been pretesting? must we have been pretesting? must you have been pretesting? must they have been pretesting?

Interro-negative form

Simple form	V-ing form
mustn't I pretest? mustn't you pretest? mustn't he pretest? mustn't we pretest? mustn't you pretest? mustn't they pretest?	mustn't I be pretesting? mustn't you be pretesting? mustn't he be pretesting? mustn't we be pretesting? mustn't you be pretesting? mustn't they be pretesting?
Perfect	V-ing perfect
mustn't I have pretested? mustn't you have pretested? mustn't he have pretested? mustn't we have pretested? mustn't you have pretested? mustn't they have pretested?	mustn't I have been pretesting? mustn't you have been pretesting? mustn't he have been pretesting? mustn't we have been pretesting? mustn't you have been pretesting? mustn't they have been pretesting?