must reserve
Verbo regular: reserve - reserved- reserved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must reserve
you must reserve
she must reserve
we must reserve
you must reserve
they must reserve 	I must be reserving
you must be reserving
she must be reserving
we must be reserving
you must be reserving
they must be reserving	I must have reserved
you must have reserved
she must have reserved
we must have reserved
you must have reserved
they must have reserved	I must have been reserving
you must have been reserving
she must have been reserving
we must have been reserving
you must have been reserving
they must have been reserving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't reserve
you mustn't reserve
she mustn't reserve
we mustn't reserve
you mustn't reserve
they mustn't reserve 	I mustn't be reserving
you mustn't be reserving
she mustn't be reserving
we mustn't be reserving
you mustn't be reserving
they mustn't be reserving	I mustn't have reserved
you mustn't have reserved
she mustn't have reserved
we mustn't have reserved
you mustn't have reserved
they mustn't have reserved	I mustn't have been reserving
you mustn't have been reserving
she mustn't have been reserving
we mustn't have been reserving
you mustn't have been reserving
they mustn't have been reserving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I reserve?
must you reserve?
must she reserve?
must we reserve?
must you reserve?
must they reserve? 	must I be reserving?
must you be reserving?
must she be reserving?
must we be reserving?
must you be reserving?
must they be reserving? 	must I have reserved?
must you have reserved?
must she have reserved?
must we have reserved?
must you have reserved?
must they have reserved? 	must I have been reserving?
must you have been reserving?
must she have been reserving?
must we have been reserving?
must you have been reserving?
must they have been reserving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I reserve?
mustn't you reserve?
mustn't she reserve?
mustn't we reserve?
mustn't you reserve?
mustn't they reserve? 	mustn't I be reserving?
mustn't you be reserving?
mustn't she be reserving?
mustn't we be reserving?
mustn't you be reserving?
mustn't they be reserving? 	mustn't I have reserved?
mustn't you have reserved?
mustn't she have reserved?
mustn't we have reserved?
mustn't you have reserved?
mustn't they have reserved? 	mustn't I have been reserving?
mustn't you have been reserving?
mustn't she have been reserving?
mustn't we have been reserving?
mustn't you have been reserving?
mustn't they have been reserving?