must cater
Regular verb: cater - catered- catered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cater
you must cater
she must cater
we must cater
you must cater
they must cater 	I must be catering
you must be catering
she must be catering
we must be catering
you must be catering
they must be catering	I must have catered
you must have catered
she 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
she must have been catering
we must have been catering
you must have been catering
they must have been catering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't cater
you mustn't cater
she mustn't cater
we mustn't cater
you mustn't cater
they mustn't cater 	I mustn't be catering
you mustn't be catering
she mustn't be catering
we mustn't be catering
you mustn't be catering
they mustn't be catering	I mustn't have catered
you mustn't have catered
she mustn't have catered
we mustn't have catered
you mustn't have catered
they mustn't have catered	I mustn't have been catering
you mustn't have been catering
she mustn't have been catering
we mustn't have been catering
you mustn't have been catering
they mustn't have been catering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cater?
must you cater?
must she cater?
must we cater?
must you cater?
must they cater? 	must I be catering?
must you be catering?
must she be catering?
must we be catering?
must you be catering?
must they be catering? 	must I have catered?
must you have catered?
must she 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 she have been catering?
must we have been catering?
must you have been catering?
must they have been catering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I cater?
mustn't you cater?
mustn't she cater?
mustn't we cater?
mustn't you cater?
mustn't they cater? 	mustn't I be catering?
mustn't you be catering?
mustn't she be catering?
mustn't we be catering?
mustn't you be catering?
mustn't they be catering? 	mustn't I have catered?
mustn't you have catered?
mustn't she have catered?
mustn't we have catered?
mustn't you have catered?
mustn't they have catered? 	mustn't I have been catering?
mustn't you have been catering?
mustn't she have been catering?
mustn't we have been catering?
mustn't you have been catering?
mustn't they have been catering?