English verb conjugation
MUST BRATTLE

Regular verb: brattle - brattled - brattled

Affirmation

Simple form	V-ing form
I must brattle you must brattle he must brattle we must brattle you must brattle they must brattle	I must be brattling you must be brattling he must be brattling we must be brattling you must be brattling they must be brattling
Perfect	V-ing perfect
I must have brattled you must have brattled he must have brattled we must have brattled you must have brattled they must have brattled	I must have been brattling you must have been brattling he must have been brattling we must have been brattling you must have been brattling they must have been brattling

Negation

Simple form	V-ing form
I mustn't brattle you mustn't brattle he mustn't brattle we mustn't brattle you mustn't brattle they mustn't brattle	I mustn't be brattling you mustn't be brattling he mustn't be brattling we mustn't be brattling you mustn't be brattling they mustn't be brattling
Perfect	V-ing perfect
I mustn't have brattled you mustn't have brattled he mustn't have brattled we mustn't have brattled you mustn't have brattled they mustn't have brattled	I mustn't have been brattling you mustn't have been brattling he mustn't have been brattling we mustn't have been brattling you mustn't have been brattling they mustn't have been brattling

Interrogative form

Simple form	V-ing form
must I brattle? must you brattle? must he brattle? must we brattle? must you brattle? must they brattle?	must I be brattling? must you be brattling? must he be brattling? must we be brattling? must you be brattling? must they be brattling?
Perfect	V-ing perfect
must I have brattled? must you have brattled? must he have brattled? must we have brattled? must you have brattled? must they have brattled?	must I have been brattling? must you have been brattling? must he have been brattling? must we have been brattling? must you have been brattling? must they have been brattling?

Interro-negative form

Simple form	V-ing form
mustn't I brattle? mustn't you brattle? mustn't he brattle? mustn't we brattle? mustn't you brattle? mustn't they brattle?	mustn't I be brattling? mustn't you be brattling? mustn't he be brattling? mustn't we be brattling? mustn't you be brattling? mustn't they be brattling?
Perfect	V-ing perfect
mustn't I have brattled? mustn't you have brattled? mustn't he have brattled? mustn't we have brattled? mustn't you have brattled? mustn't they have brattled?	mustn't I have been brattling? mustn't you have been brattling? mustn't he have been brattling? mustn't we have been brattling? mustn't you have been brattling? mustn't they have been brattling?