English verb conjugation
MUST SCAT

Regular verb: scat - scatted - scatted

Affirmation

Simple form	V-ing form
I must scat you must scat she must scat we must scat you must scat they must scat	I must be scatting you must be scatting she must be scatting we must be scatting you must be scatting they must be scatting
Perfect	V-ing perfect
I must have scatted you must have scatted she must have scatted we must have scatted you must have scatted they must have scatted	I must have been scatting you must have been scatting she must have been scatting we must have been scatting you must have been scatting they must have been scatting

Negation

Simple form	V-ing form
I mustn't scat you mustn't scat she mustn't scat we mustn't scat you mustn't scat they mustn't scat	I mustn't be scatting you mustn't be scatting she mustn't be scatting we mustn't be scatting you mustn't be scatting they mustn't be scatting
Perfect	V-ing perfect
I mustn't have scatted you mustn't have scatted she mustn't have scatted we mustn't have scatted you mustn't have scatted they mustn't have scatted	I mustn't have been scatting you mustn't have been scatting she mustn't have been scatting we mustn't have been scatting you mustn't have been scatting they mustn't have been scatting

Interrogative form

Simple form	V-ing form
must I scat? must you scat? must she scat? must we scat? must you scat? must they scat?	must I be scatting? must you be scatting? must she be scatting? must we be scatting? must you be scatting? must they be scatting?
Perfect	V-ing perfect
must I have scatted? must you have scatted? must she have scatted? must we have scatted? must you have scatted? must they have scatted?	must I have been scatting? must you have been scatting? must she have been scatting? must we have been scatting? must you have been scatting? must they have been scatting?

Interro-negative form

Simple form	V-ing form
mustn't I scat? mustn't you scat? mustn't she scat? mustn't we scat? mustn't you scat? mustn't they scat?	mustn't I be scatting? mustn't you be scatting? mustn't she be scatting? mustn't we be scatting? mustn't you be scatting? mustn't they be scatting?
Perfect	V-ing perfect
mustn't I have scatted? mustn't you have scatted? mustn't she have scatted? mustn't we have scatted? mustn't you have scatted? mustn't they have scatted?	mustn't I have been scatting? mustn't you have been scatting? mustn't she have been scatting? mustn't we have been scatting? mustn't you have been scatting? mustn't they have been scatting?