must prowl
Verbo regular: prowl - prowled- prowled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prowl
you must prowl
he must prowl
we must prowl
you must prowl
they must prowl 	I must be prowling
you must be prowling
he must be prowling
we must be prowling
you must be prowling
they must be prowling	I must have prowled
you must have prowled
he must have prowled
we must have prowled
you must have prowled
they must have prowled	I must have been prowling
you must have been prowling
he must have been prowling
we must have been prowling
you must have been prowling
they must have been prowling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not prowl
you must not prowl
he must not prowl
we must not prowl
you must not prowl
they must not prowl 	I must not be prowling
you must not be prowling
he must not be prowling
we must not be prowling
you must not be prowling
they must not be prowling	I must not have prowled
you must not have prowled
he must not have prowled
we must not have prowled
you must not have prowled
they must not have prowled	I must not have been prowling
you must not have been prowling
he must not have been prowling
we must not have been prowling
you must not have been prowling
they must not have been prowling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prowl?
must you prowl?
must he prowl?
must we prowl?
must you prowl?
must they prowl? 	must I be prowling?
must you be prowling?
must he be prowling?
must we be prowling?
must you be prowling?
must they be prowling? 	must I have prowled?
must you have prowled?
must he have prowled?
must we have prowled?
must you have prowled?
must they have prowled? 	must I have been prowling?
must you have been prowling?
must he have been prowling?
must we have been prowling?
must you have been prowling?
must they have been prowling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not prowl?
must you not prowl?
must he not prowl?
must we not prowl?
must you not prowl?
must they not prowl? 	must I not be prowling?
must you not be prowling?
must he not be prowling?
must we not be prowling?
must you not be prowling?
must they not be prowling? 	must I not have prowled?
must you not have prowled?
must he not have prowled?
must we not have prowled?
must you not have prowled?
must they not have prowled? 	must I not have been prowling?
must you not have been prowling?
must he not have been prowling?
must we not have been prowling?
must you not have been prowling?
must they not have been prowling?