must recover
Verbo regular: recover - recovered- recovered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must recover
you must recover
he must recover
we must recover
you must recover
they must recover 	I must be recovering
you must be recovering
he must be recovering
we must be recovering
you must be recovering
they must be recovering	I must have recovered
you must have recovered
he must have recovered
we must have recovered
you must have recovered
they must have recovered	I must have been recovering
you must have been recovering
he must have been recovering
we must have been recovering
you must have been recovering
they must have been recovering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't recover
you mustn't recover
he mustn't recover
we mustn't recover
you mustn't recover
they mustn't recover 	I mustn't be recovering
you mustn't be recovering
he mustn't be recovering
we mustn't be recovering
you mustn't be recovering
they mustn't be recovering	I mustn't have recovered
you mustn't have recovered
he mustn't have recovered
we mustn't have recovered
you mustn't have recovered
they mustn't have recovered	I mustn't have been recovering
you mustn't have been recovering
he mustn't have been recovering
we mustn't have been recovering
you mustn't have been recovering
they mustn't have been recovering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I recover?
must you recover?
must he recover?
must we recover?
must you recover?
must they recover? 	must I be recovering?
must you be recovering?
must he be recovering?
must we be recovering?
must you be recovering?
must they be recovering? 	must I have recovered?
must you have recovered?
must he have recovered?
must we have recovered?
must you have recovered?
must they have recovered? 	must I have been recovering?
must you have been recovering?
must he have been recovering?
must we have been recovering?
must you have been recovering?
must they have been recovering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I recover?
mustn't you recover?
mustn't he recover?
mustn't we recover?
mustn't you recover?
mustn't they recover? 	mustn't I be recovering?
mustn't you be recovering?
mustn't he be recovering?
mustn't we be recovering?
mustn't you be recovering?
mustn't they be recovering? 	mustn't I have recovered?
mustn't you have recovered?
mustn't he have recovered?
mustn't we have recovered?
mustn't you have recovered?
mustn't they have recovered? 	mustn't I have been recovering?
mustn't you have been recovering?
mustn't he have been recovering?
mustn't we have been recovering?
mustn't you have been recovering?
mustn't they have been recovering?