must farrow
Verbo regular: farrow - farrowed- farrowed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must farrow
you must farrow
he must farrow
we must farrow
you must farrow
they must farrow 	I must be farrowing
you must be farrowing
he must be farrowing
we must be farrowing
you must be farrowing
they must be farrowing	I must have farrowed
you must have farrowed
he must have farrowed
we must have farrowed
you must have farrowed
they must have farrowed	I must have been farrowing
you must have been farrowing
he must have been farrowing
we must have been farrowing
you must have been farrowing
they must have been farrowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't farrow
you mustn't farrow
he mustn't farrow
we mustn't farrow
you mustn't farrow
they mustn't farrow 	I mustn't be farrowing
you mustn't be farrowing
he mustn't be farrowing
we mustn't be farrowing
you mustn't be farrowing
they mustn't be farrowing	I mustn't have farrowed
you mustn't have farrowed
he mustn't have farrowed
we mustn't have farrowed
you mustn't have farrowed
they mustn't have farrowed	I mustn't have been farrowing
you mustn't have been farrowing
he mustn't have been farrowing
we mustn't have been farrowing
you mustn't have been farrowing
they mustn't have been farrowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I farrow?
must you farrow?
must he farrow?
must we farrow?
must you farrow?
must they farrow? 	must I be farrowing?
must you be farrowing?
must he be farrowing?
must we be farrowing?
must you be farrowing?
must they be farrowing? 	must I have farrowed?
must you have farrowed?
must he have farrowed?
must we have farrowed?
must you have farrowed?
must they have farrowed? 	must I have been farrowing?
must you have been farrowing?
must he have been farrowing?
must we have been farrowing?
must you have been farrowing?
must they have been farrowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I farrow?
mustn't you farrow?
mustn't he farrow?
mustn't we farrow?
mustn't you farrow?
mustn't they farrow? 	mustn't I be farrowing?
mustn't you be farrowing?
mustn't he be farrowing?
mustn't we be farrowing?
mustn't you be farrowing?
mustn't they be farrowing? 	mustn't I have farrowed?
mustn't you have farrowed?
mustn't he have farrowed?
mustn't we have farrowed?
mustn't you have farrowed?
mustn't they have farrowed? 	mustn't I have been farrowing?
mustn't you have been farrowing?
mustn't he have been farrowing?
mustn't we have been farrowing?
mustn't you have been farrowing?
mustn't they have been farrowing?