English verb conjugation
MUST ZAP

Regular verb: zap - zapped - zapped

Affirmation

Simple form	V-ing form
I must zap you must zap she must zap we must zap you must zap they must zap	I must be zapping you must be zapping she must be zapping we must be zapping you must be zapping they must be zapping
Perfect	V-ing perfect
I must have zapped you must have zapped she must have zapped we must have zapped you must have zapped they must have zapped	I must have been zapping you must have been zapping she must have been zapping we must have been zapping you must have been zapping they must have been zapping

Negation

Simple form	V-ing form
I must not zap you must not zap she must not zap we must not zap you must not zap they must not zap	I must not be zapping you must not be zapping she must not be zapping we must not be zapping you must not be zapping they must not be zapping
Perfect	V-ing perfect
I must not have zapped you must not have zapped she must not have zapped we must not have zapped you must not have zapped they must not have zapped	I must not have been zapping you must not have been zapping she must not have been zapping we must not have been zapping you must not have been zapping they must not have been zapping

Interrogative form

Simple form	V-ing form
must I zap? must you zap? must she zap? must we zap? must you zap? must they zap?	must I be zapping? must you be zapping? must she be zapping? must we be zapping? must you be zapping? must they be zapping?
Perfect	V-ing perfect
must I have zapped? must you have zapped? must she have zapped? must we have zapped? must you have zapped? must they have zapped?	must I have been zapping? must you have been zapping? must she have been zapping? must we have been zapping? must you have been zapping? must they have been zapping?

Interro-negative form

Simple form	V-ing form
must I not zap? must you not zap? must she not zap? must we not zap? must you not zap? must they not zap?	must I not be zapping? must you not be zapping? must she not be zapping? must we not be zapping? must you not be zapping? must they not be zapping?
Perfect	V-ing perfect
must I not have zapped? must you not have zapped? must she not have zapped? must we not have zapped? must you not have zapped? must they not have zapped?	must I not have been zapping? must you not have been zapping? must she not have been zapping? must we not have been zapping? must you not have been zapping? must they not have been zapping?