must cache
Verbo regular: cache - cached- cached

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must cache
you must cache
he must cache
we must cache
you must cache
they must cache 	I must be caching
you must be caching
he must be caching
we must be caching
you must be caching
they must be caching	I must have cached
you must have cached
he must have cached
we must have cached
you must have cached
they must have cached	I must have been caching
you must have been caching
he must have been caching
we must have been caching
you must have been caching
they must have been caching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not cache
you must not cache
he must not cache
we must not cache
you must not cache
they must not cache 	I must not be caching
you must not be caching
he must not be caching
we must not be caching
you must not be caching
they must not be caching	I must not have cached
you must not have cached
he must not have cached
we must not have cached
you must not have cached
they must not have cached	I must not have been caching
you must not have been caching
he must not have been caching
we must not have been caching
you must not have been caching
they must not have been caching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I cache?
must you cache?
must he cache?
must we cache?
must you cache?
must they cache? 	must I be caching?
must you be caching?
must he be caching?
must we be caching?
must you be caching?
must they be caching? 	must I have cached?
must you have cached?
must he have cached?
must we have cached?
must you have cached?
must they have cached? 	must I have been caching?
must you have been caching?
must he have been caching?
must we have been caching?
must you have been caching?
must they have been caching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not cache?
must you not cache?
must he not cache?
must we not cache?
must you not cache?
must they not cache? 	must I not be caching?
must you not be caching?
must he not be caching?
must we not be caching?
must you not be caching?
must they not be caching? 	must I not have cached?
must you not have cached?
must he not have cached?
must we not have cached?
must you not have cached?
must they not have cached? 	must I not have been caching?
must you not have been caching?
must he not have been caching?
must we not have been caching?
must you not have been caching?
must they not have been caching?