English verb conjugation
MUST ZAG

Regular verb: zag - zaged - zaged

Affirmation

Simple form	V-ing form
I must zag you must zag he must zag we must zag you must zag they must zag	I must be zaging you must be zaging he must be zaging we must be zaging you must be zaging they must be zaging
Perfect	V-ing perfect
I must have zaged you must have zaged he must have zaged we must have zaged you must have zaged they must have zaged	I must have been zaging you must have been zaging he must have been zaging we must have been zaging you must have been zaging they must have been zaging

Negation

Simple form	V-ing form
I must not zag you must not zag he must not zag we must not zag you must not zag they must not zag	I must not be zaging you must not be zaging he must not be zaging we must not be zaging you must not be zaging they must not be zaging
Perfect	V-ing perfect
I must not have zaged you must not have zaged he must not have zaged we must not have zaged you must not have zaged they must not have zaged	I must not have been zaging you must not have been zaging he must not have been zaging we must not have been zaging you must not have been zaging they must not have been zaging

Interrogative form

Simple form	V-ing form
must I zag? must you zag? must he zag? must we zag? must you zag? must they zag?	must I be zaging? must you be zaging? must he be zaging? must we be zaging? must you be zaging? must they be zaging?
Perfect	V-ing perfect
must I have zaged? must you have zaged? must he have zaged? must we have zaged? must you have zaged? must they have zaged?	must I have been zaging? must you have been zaging? must he have been zaging? must we have been zaging? must you have been zaging? must they have been zaging?

Interro-negative form

Simple form	V-ing form
must I not zag? must you not zag? must he not zag? must we not zag? must you not zag? must they not zag?	must I not be zaging? must you not be zaging? must he not be zaging? must we not be zaging? must you not be zaging? must they not be zaging?
Perfect	V-ing perfect
must I not have zaged? must you not have zaged? must he not have zaged? must we not have zaged? must you not have zaged? must they not have zaged?	must I not have been zaging? must you not have been zaging? must he not have been zaging? must we not have been zaging? must you not have been zaging? must they not have been zaging?