must farrow
Regular verb: farrow - farrowed- farrowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must farrow
you must farrow
she must farrow
we must farrow
you must farrow
they must farrow 	I must be farrowing
you must be farrowing
she must be farrowing
we must be farrowing
you must be farrowing
they must be farrowing	I must have farrowed
you must have farrowed
she 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
she must have been farrowing
we must have been farrowing
you must have been farrowing
they must have been farrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't farrow
you mustn't farrow
she 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
she 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
she 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
she mustn't have been farrowing
we mustn't have been farrowing
you mustn't have been farrowing
they mustn't have been farrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I farrow?
must you farrow?
must she farrow?
must we farrow?
must you farrow?
must they farrow? 	must I be farrowing?
must you be farrowing?
must she be farrowing?
must we be farrowing?
must you be farrowing?
must they be farrowing? 	must I have farrowed?
must you have farrowed?
must she 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 she have been farrowing?
must we have been farrowing?
must you have been farrowing?
must they have been farrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I farrow?
mustn't you farrow?
mustn't she 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 she 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 she 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 she have been farrowing?
mustn't we have been farrowing?
mustn't you have been farrowing?
mustn't they have been farrowing?