must scat
Verbe régulier : scat - scatted- scatted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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?