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 must not pretest you must not pretest he must not pretest we must not pretest you must not pretest they must not pretest	I must not be pretesting you must not be pretesting he must not be pretesting we must not be pretesting you must not be pretesting they must not be pretesting
Perfect	V-ing perfect
I must not have pretested you must not have pretested he must not have pretested we must not have pretested you must not have pretested they must not have pretested	I must not have been pretesting you must not have been pretesting he must not have been pretesting we must not have been pretesting you must not have been pretesting they must not 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
must I not pretest? must you not pretest? must he not pretest? must we not pretest? must you not pretest? must they not pretest?	must I not be pretesting? must you not be pretesting? must he not be pretesting? must we not be pretesting? must you not be pretesting? must they not be pretesting?
Perfect	V-ing perfect
must I not have pretested? must you not have pretested? must he not have pretested? must we not have pretested? must you not have pretested? must they not have pretested?	must I not have been pretesting? must you not have been pretesting? must he not have been pretesting? must we not have been pretesting? must you not have been pretesting? must they not have been pretesting?