English verb conjugation
MUST FOB

Regular verb: fob - fobbed - fobbed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mustn't fob you mustn't fob he mustn't fob we mustn't fob you mustn't fob they mustn't fob	I mustn't be fobbing you mustn't be fobbing he mustn't be fobbing we mustn't be fobbing you mustn't be fobbing they mustn't be fobbing
Perfect	V-ing perfect
I mustn't have fobbed you mustn't have fobbed he mustn't have fobbed we mustn't have fobbed you mustn't have fobbed they mustn't have fobbed	I mustn't have been fobbing you mustn't have been fobbing he mustn't have been fobbing we mustn't have been fobbing you mustn't have been fobbing they mustn't have been fobbing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mustn't I fob? mustn't you fob? mustn't he fob? mustn't we fob? mustn't you fob? mustn't they fob?	mustn't I be fobbing? mustn't you be fobbing? mustn't he be fobbing? mustn't we be fobbing? mustn't you be fobbing? mustn't they be fobbing?
Perfect	V-ing perfect
mustn't I have fobbed? mustn't you have fobbed? mustn't he have fobbed? mustn't we have fobbed? mustn't you have fobbed? mustn't they have fobbed?	mustn't I have been fobbing? mustn't you have been fobbing? mustn't he have been fobbing? mustn't we have been fobbing? mustn't you have been fobbing? mustn't they have been fobbing?