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 must not farrow
you must not farrow
she must not farrow
we must not farrow
you must not farrow
they must not farrow 	I must not be farrowing
you must not be farrowing
she must not be farrowing
we must not be farrowing
you must not be farrowing
they must not be farrowing	I must not have farrowed
you must not have farrowed
she must not have farrowed
we must not have farrowed
you must not have farrowed
they must not have farrowed	I must not have been farrowing
you must not have been farrowing
she must not have been farrowing
we must not have been farrowing
you must not have been farrowing
they must not 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 	
must I not farrow?
must you not farrow?
must she not farrow?
must we not farrow?
must you not farrow?
must they not farrow? 	must I not be farrowing?
must you not be farrowing?
must she not be farrowing?
must we not be farrowing?
must you not be farrowing?
must they not be farrowing? 	must I not have farrowed?
must you not have farrowed?
must she not have farrowed?
must we not have farrowed?
must you not have farrowed?
must they not have farrowed? 	must I not have been farrowing?
must you not have been farrowing?
must she not have been farrowing?
must we not have been farrowing?
must you not have been farrowing?
must they not have been farrowing?