must cater
Verbo regular: cater - catered- catered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must cater
you must cater
he must cater
we must cater
you must cater
they must cater 	I must be catering
you must be catering
he must be catering
we must be catering
you must be catering
they must be catering	I must have catered
you must have catered
he must have catered
we must have catered
you must have catered
they must have catered	I must have been catering
you must have been catering
he must have been catering
we must have been catering
you must have been catering
they must have been catering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not cater
you must not cater
he must not cater
we must not cater
you must not cater
they must not cater 	I must not be catering
you must not be catering
he must not be catering
we must not be catering
you must not be catering
they must not be catering	I must not have catered
you must not have catered
he must not have catered
we must not have catered
you must not have catered
they must not have catered	I must not have been catering
you must not have been catering
he must not have been catering
we must not have been catering
you must not have been catering
they must not have been catering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I cater?
must you cater?
must he cater?
must we cater?
must you cater?
must they cater? 	must I be catering?
must you be catering?
must he be catering?
must we be catering?
must you be catering?
must they be catering? 	must I have catered?
must you have catered?
must he have catered?
must we have catered?
must you have catered?
must they have catered? 	must I have been catering?
must you have been catering?
must he have been catering?
must we have been catering?
must you have been catering?
must they have been catering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not cater?
must you not cater?
must he not cater?
must we not cater?
must you not cater?
must they not cater? 	must I not be catering?
must you not be catering?
must he not be catering?
must we not be catering?
must you not be catering?
must they not be catering? 	must I not have catered?
must you not have catered?
must he not have catered?
must we not have catered?
must you not have catered?
must they not have catered? 	must I not have been catering?
must you not have been catering?
must he not have been catering?
must we not have been catering?
must you not have been catering?
must they not have been catering?