English verb conjugation
MUST BEFOG

Regular verb: befog - befoged - befoged

Affirmation

Simple form	V-ing form
I must befog you must befog she must befog we must befog you must befog they must befog	I must be befoging you must be befoging she must be befoging we must be befoging you must be befoging they must be befoging
Perfect	V-ing perfect
I must have befoged you must have befoged she must have befoged we must have befoged you must have befoged they must have befoged	I must have been befoging you must have been befoging she must have been befoging we must have been befoging you must have been befoging they must have been befoging

Negation

Simple form	V-ing form
I mustn't befog you mustn't befog she mustn't befog we mustn't befog you mustn't befog they mustn't befog	I mustn't be befoging you mustn't be befoging she mustn't be befoging we mustn't be befoging you mustn't be befoging they mustn't be befoging
Perfect	V-ing perfect
I mustn't have befoged you mustn't have befoged she mustn't have befoged we mustn't have befoged you mustn't have befoged they mustn't have befoged	I mustn't have been befoging you mustn't have been befoging she mustn't have been befoging we mustn't have been befoging you mustn't have been befoging they mustn't have been befoging

Interrogative form

Simple form	V-ing form
must I befog? must you befog? must she befog? must we befog? must you befog? must they befog?	must I be befoging? must you be befoging? must she be befoging? must we be befoging? must you be befoging? must they be befoging?
Perfect	V-ing perfect
must I have befoged? must you have befoged? must she have befoged? must we have befoged? must you have befoged? must they have befoged?	must I have been befoging? must you have been befoging? must she have been befoging? must we have been befoging? must you have been befoging? must they have been befoging?

Interro-negative form

Simple form	V-ing form
mustn't I befog? mustn't you befog? mustn't she befog? mustn't we befog? mustn't you befog? mustn't they befog?	mustn't I be befoging? mustn't you be befoging? mustn't she be befoging? mustn't we be befoging? mustn't you be befoging? mustn't they be befoging?
Perfect	V-ing perfect
mustn't I have befoged? mustn't you have befoged? mustn't she have befoged? mustn't we have befoged? mustn't you have befoged? mustn't they have befoged?	mustn't I have been befoging? mustn't you have been befoging? mustn't she have been befoging? mustn't we have been befoging? mustn't you have been befoging? mustn't they have been befoging?