English verb conjugation
MUST TATTER

Regular verb: tatter - tattered - tattered

Affirmation

Simple form	V-ing form
I must tatter you must tatter he must tatter we must tatter you must tatter they must tatter	I must be tattering you must be tattering he must be tattering we must be tattering you must be tattering they must be tattering
Perfect	V-ing perfect
I must have tattered you must have tattered he must have tattered we must have tattered you must have tattered they must have tattered	I must have been tattering you must have been tattering he must have been tattering we must have been tattering you must have been tattering they must have been tattering

Negation

Simple form	V-ing form
I must not tatter you must not tatter he must not tatter we must not tatter you must not tatter they must not tatter	I must not be tattering you must not be tattering he must not be tattering we must not be tattering you must not be tattering they must not be tattering
Perfect	V-ing perfect
I must not have tattered you must not have tattered he must not have tattered we must not have tattered you must not have tattered they must not have tattered	I must not have been tattering you must not have been tattering he must not have been tattering we must not have been tattering you must not have been tattering they must not have been tattering

Interrogative form

Simple form	V-ing form
must I tatter? must you tatter? must he tatter? must we tatter? must you tatter? must they tatter?	must I be tattering? must you be tattering? must he be tattering? must we be tattering? must you be tattering? must they be tattering?
Perfect	V-ing perfect
must I have tattered? must you have tattered? must he have tattered? must we have tattered? must you have tattered? must they have tattered?	must I have been tattering? must you have been tattering? must he have been tattering? must we have been tattering? must you have been tattering? must they have been tattering?

Interro-negative form

Simple form	V-ing form
must I not tatter? must you not tatter? must he not tatter? must we not tatter? must you not tatter? must they not tatter?	must I not be tattering? must you not be tattering? must he not be tattering? must we not be tattering? must you not be tattering? must they not be tattering?
Perfect	V-ing perfect
must I not have tattered? must you not have tattered? must he not have tattered? must we not have tattered? must you not have tattered? must they not have tattered?	must I not have been tattering? must you not have been tattering? must he not have been tattering? must we not have been tattering? must you not have been tattering? must they not have been tattering?