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 mustn't tatter you mustn't tatter he mustn't tatter we mustn't tatter you mustn't tatter they mustn't tatter	I mustn't be tattering you mustn't be tattering he mustn't be tattering we mustn't be tattering you mustn't be tattering they mustn't be tattering
Perfect	V-ing perfect
I mustn't have tattered you mustn't have tattered he mustn't have tattered we mustn't have tattered you mustn't have tattered they mustn't have tattered	I mustn't have been tattering you mustn't have been tattering he mustn't have been tattering we mustn't have been tattering you mustn't have been tattering they mustn't 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
mustn't I tatter? mustn't you tatter? mustn't he tatter? mustn't we tatter? mustn't you tatter? mustn't they tatter?	mustn't I be tattering? mustn't you be tattering? mustn't he be tattering? mustn't we be tattering? mustn't you be tattering? mustn't they be tattering?
Perfect	V-ing perfect
mustn't I have tattered? mustn't you have tattered? mustn't he have tattered? mustn't we have tattered? mustn't you have tattered? mustn't they have tattered?	mustn't I have been tattering? mustn't you have been tattering? mustn't he have been tattering? mustn't we have been tattering? mustn't you have been tattering? mustn't they have been tattering?