English verb conjugation
MUST VAT

Regular verb: vat - vatted - vatted

Affirmation

Simple form	V-ing form
I must vat you must vat he must vat we must vat you must vat they must vat	I must be vatting you must be vatting he must be vatting we must be vatting you must be vatting they must be vatting
Perfect	V-ing perfect
I must have vatted you must have vatted he must have vatted we must have vatted you must have vatted they must have vatted	I must have been vatting you must have been vatting he must have been vatting we must have been vatting you must have been vatting they must have been vatting

Negation

Simple form	V-ing form
I must not vat you must not vat he must not vat we must not vat you must not vat they must not vat	I must not be vatting you must not be vatting he must not be vatting we must not be vatting you must not be vatting they must not be vatting
Perfect	V-ing perfect
I must not have vatted you must not have vatted he must not have vatted we must not have vatted you must not have vatted they must not have vatted	I must not have been vatting you must not have been vatting he must not have been vatting we must not have been vatting you must not have been vatting they must not have been vatting

Interrogative form

Simple form	V-ing form
must I vat? must you vat? must he vat? must we vat? must you vat? must they vat?	must I be vatting? must you be vatting? must he be vatting? must we be vatting? must you be vatting? must they be vatting?
Perfect	V-ing perfect
must I have vatted? must you have vatted? must he have vatted? must we have vatted? must you have vatted? must they have vatted?	must I have been vatting? must you have been vatting? must he have been vatting? must we have been vatting? must you have been vatting? must they have been vatting?

Interro-negative form

Simple form	V-ing form
must I not vat? must you not vat? must he not vat? must we not vat? must you not vat? must they not vat?	must I not be vatting? must you not be vatting? must he not be vatting? must we not be vatting? must you not be vatting? must they not be vatting?
Perfect	V-ing perfect
must I not have vatted? must you not have vatted? must he not have vatted? must we not have vatted? must you not have vatted? must they not have vatted?	must I not have been vatting? must you not have been vatting? must he not have been vatting? must we not have been vatting? must you not have been vatting? must they not have been vatting?