English verb conjugation
MUST BEFOOL

Regular verb: befool - befooled - befooled

Affirmation

Simple form	V-ing form
I must befool you must befool she must befool we must befool you must befool they must befool	I must be befooling you must be befooling she must be befooling we must be befooling you must be befooling they must be befooling
Perfect	V-ing perfect
I must have befooled you must have befooled she must have befooled we must have befooled you must have befooled they must have befooled	I must have been befooling you must have been befooling she must have been befooling we must have been befooling you must have been befooling they must have been befooling

Negation

Simple form	V-ing form
I mustn't befool you mustn't befool she mustn't befool we mustn't befool you mustn't befool they mustn't befool	I mustn't be befooling you mustn't be befooling she mustn't be befooling we mustn't be befooling you mustn't be befooling they mustn't be befooling
Perfect	V-ing perfect
I mustn't have befooled you mustn't have befooled she mustn't have befooled we mustn't have befooled you mustn't have befooled they mustn't have befooled	I mustn't have been befooling you mustn't have been befooling she mustn't have been befooling we mustn't have been befooling you mustn't have been befooling they mustn't have been befooling

Interrogative form

Simple form	V-ing form
must I befool? must you befool? must she befool? must we befool? must you befool? must they befool?	must I be befooling? must you be befooling? must she be befooling? must we be befooling? must you be befooling? must they be befooling?
Perfect	V-ing perfect
must I have befooled? must you have befooled? must she have befooled? must we have befooled? must you have befooled? must they have befooled?	must I have been befooling? must you have been befooling? must she have been befooling? must we have been befooling? must you have been befooling? must they have been befooling?

Interro-negative form

Simple form	V-ing form
mustn't I befool? mustn't you befool? mustn't she befool? mustn't we befool? mustn't you befool? mustn't they befool?	mustn't I be befooling? mustn't you be befooling? mustn't she be befooling? mustn't we be befooling? mustn't you be befooling? mustn't they be befooling?
Perfect	V-ing perfect
mustn't I have befooled? mustn't you have befooled? mustn't she have befooled? mustn't we have befooled? mustn't you have befooled? mustn't they have befooled?	mustn't I have been befooling? mustn't you have been befooling? mustn't she have been befooling? mustn't we have been befooling? mustn't you have been befooling? mustn't they have been befooling?