must vat
Verbo regular: vat - vatted- vatted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must vat
you must vat
she must vat
we must vat
you must vat
they must vat 	I must be vatting
you must be vatting
she must be vatting
we must be vatting
you must be vatting
they must be vatting	I must have vatted
you must have vatted
she 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
she must have been vatting
we must have been vatting
you must have been vatting
they must have been vatting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not vat
you must not vat
she 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
she must not be vatting
we must not be vatting
you must not be vatting
they must not be vatting	I must not have vatted
you must not have vatted
she 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
she must not have been vatting
we must not have been vatting
you must not have been vatting
they must not have been vatting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I vat?
must you vat?
must she vat?
must we vat?
must you vat?
must they vat? 	must I be vatting?
must you be vatting?
must she be vatting?
must we be vatting?
must you be vatting?
must they be vatting? 	must I have vatted?
must you have vatted?
must she 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 she have been vatting?
must we have been vatting?
must you have been vatting?
must they have been vatting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not vat?
must you not vat?
must she 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 she not be vatting?
must we not be vatting?
must you not be vatting?
must they not be vatting? 	must I not have vatted?
must you not have vatted?
must she 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 she not have been vatting?
must we not have been vatting?
must you not have been vatting?
must they not have been vatting?