must fob
Regular verb: fob - fobbed- fobbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fob
you must fob
he must fob
we must fob
you must fob
they must fob 	I must be fobbing
you must be fobbing
he must be fobbing
we must be fobbing
you must be fobbing
they must be fobbing	I must have fobbed
you must have fobbed
he must have fobbed
we must have fobbed
you must have fobbed
they must have fobbed	I must have been fobbing
you must have been fobbing
he must have been fobbing
we must have been fobbing
you must have been fobbing
they must have been fobbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not fob
you must not fob
he must not fob
we must not fob
you must not fob
they must not fob 	I must not be fobbing
you must not be fobbing
he must not be fobbing
we must not be fobbing
you must not be fobbing
they must not be fobbing	I must not have fobbed
you must not have fobbed
he must not have fobbed
we must not have fobbed
you must not have fobbed
they must not have fobbed	I must not have been fobbing
you must not have been fobbing
he must not have been fobbing
we must not have been fobbing
you must not have been fobbing
they must not have been fobbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fob?
must you fob?
must he fob?
must we fob?
must you fob?
must they fob? 	must I be fobbing?
must you be fobbing?
must he be fobbing?
must we be fobbing?
must you be fobbing?
must they be fobbing? 	must I have fobbed?
must you have fobbed?
must he have fobbed?
must we have fobbed?
must you have fobbed?
must they have fobbed? 	must I have been fobbing?
must you have been fobbing?
must he have been fobbing?
must we have been fobbing?
must you have been fobbing?
must they have been fobbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not fob?
must you not fob?
must he not fob?
must we not fob?
must you not fob?
must they not fob? 	must I not be fobbing?
must you not be fobbing?
must he not be fobbing?
must we not be fobbing?
must you not be fobbing?
must they not be fobbing? 	must I not have fobbed?
must you not have fobbed?
must he not have fobbed?
must we not have fobbed?
must you not have fobbed?
must they not have fobbed? 	must I not have been fobbing?
must you not have been fobbing?
must he not have been fobbing?
must we not have been fobbing?
must you not have been fobbing?
must they not have been fobbing?