English verb conjugation
MUST JEST

Regular verb: jest - jested - jested

Affirmation

Simple form	V-ing form
I must jest you must jest she must jest we must jest you must jest they must jest	I must be jesting you must be jesting she must be jesting we must be jesting you must be jesting they must be jesting
Perfect	V-ing perfect
I must have jested you must have jested she must have jested we must have jested you must have jested they must have jested	I must have been jesting you must have been jesting she must have been jesting we must have been jesting you must have been jesting they must have been jesting

Negation

Simple form	V-ing form
I must not jest you must not jest she must not jest we must not jest you must not jest they must not jest	I must not be jesting you must not be jesting she must not be jesting we must not be jesting you must not be jesting they must not be jesting
Perfect	V-ing perfect
I must not have jested you must not have jested she must not have jested we must not have jested you must not have jested they must not have jested	I must not have been jesting you must not have been jesting she must not have been jesting we must not have been jesting you must not have been jesting they must not have been jesting

Interrogative form

Simple form	V-ing form
must I jest? must you jest? must she jest? must we jest? must you jest? must they jest?	must I be jesting? must you be jesting? must she be jesting? must we be jesting? must you be jesting? must they be jesting?
Perfect	V-ing perfect
must I have jested? must you have jested? must she have jested? must we have jested? must you have jested? must they have jested?	must I have been jesting? must you have been jesting? must she have been jesting? must we have been jesting? must you have been jesting? must they have been jesting?

Interro-negative form

Simple form	V-ing form
must I not jest? must you not jest? must she not jest? must we not jest? must you not jest? must they not jest?	must I not be jesting? must you not be jesting? must she not be jesting? must we not be jesting? must you not be jesting? must they not be jesting?
Perfect	V-ing perfect
must I not have jested? must you not have jested? must she not have jested? must we not have jested? must you not have jested? must they not have jested?	must I not have been jesting? must you not have been jesting? must she not have been jesting? must we not have been jesting? must you not have been jesting? must they not have been jesting?