must bestir
Verbo regular: bestir - bestirred- bestirred

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must bestir
you must bestir
he must bestir
we must bestir
you must bestir
they must bestir 	I must be bestirring
you must be bestirring
he must be bestirring
we must be bestirring
you must be bestirring
they must be bestirring	I must have bestirred
you must have bestirred
he must have bestirred
we must have bestirred
you must have bestirred
they must have bestirred	I must have been bestirring
you must have been bestirring
he must have been bestirring
we must have been bestirring
you must have been bestirring
they must have been bestirring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't bestir
you mustn't bestir
he mustn't bestir
we mustn't bestir
you mustn't bestir
they mustn't bestir 	I mustn't be bestirring
you mustn't be bestirring
he mustn't be bestirring
we mustn't be bestirring
you mustn't be bestirring
they mustn't be bestirring	I mustn't have bestirred
you mustn't have bestirred
he mustn't have bestirred
we mustn't have bestirred
you mustn't have bestirred
they mustn't have bestirred	I mustn't have been bestirring
you mustn't have been bestirring
he mustn't have been bestirring
we mustn't have been bestirring
you mustn't have been bestirring
they mustn't have been bestirring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I bestir?
must you bestir?
must he bestir?
must we bestir?
must you bestir?
must they bestir? 	must I be bestirring?
must you be bestirring?
must he be bestirring?
must we be bestirring?
must you be bestirring?
must they be bestirring? 	must I have bestirred?
must you have bestirred?
must he have bestirred?
must we have bestirred?
must you have bestirred?
must they have bestirred? 	must I have been bestirring?
must you have been bestirring?
must he have been bestirring?
must we have been bestirring?
must you have been bestirring?
must they have been bestirring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I bestir?
mustn't you bestir?
mustn't he bestir?
mustn't we bestir?
mustn't you bestir?
mustn't they bestir? 	mustn't I be bestirring?
mustn't you be bestirring?
mustn't he be bestirring?
mustn't we be bestirring?
mustn't you be bestirring?
mustn't they be bestirring? 	mustn't I have bestirred?
mustn't you have bestirred?
mustn't he have bestirred?
mustn't we have bestirred?
mustn't you have bestirred?
mustn't they have bestirred? 	mustn't I have been bestirring?
mustn't you have been bestirring?
mustn't he have been bestirring?
mustn't we have been bestirring?
mustn't you have been bestirring?
mustn't they have been bestirring?