English verb conjugation
MUST BET

Irregular verb: bet - bet - bet

Affirmation

Simple form	V-ing form
I must bet you must bet he must bet we must bet you must bet they must bet	I must be betting you must be betting he must be betting we must be betting you must be betting they must be betting
Perfect	V-ing perfect
I must have bet you must have bet he must have bet we must have bet you must have bet they must have bet	I must have been betting you must have been betting he must have been betting we must have been betting you must have been betting they must have been betting

Negation

Simple form	V-ing form
I mustn't bet you mustn't bet he mustn't bet we mustn't bet you mustn't bet they mustn't bet	I mustn't be betting you mustn't be betting he mustn't be betting we mustn't be betting you mustn't be betting they mustn't be betting
Perfect	V-ing perfect
I mustn't have bet you mustn't have bet he mustn't have bet we mustn't have bet you mustn't have bet they mustn't have bet	I mustn't have been betting you mustn't have been betting he mustn't have been betting we mustn't have been betting you mustn't have been betting they mustn't have been betting

Interrogative form

Simple form	V-ing form
must I bet? must you bet? must he bet? must we bet? must you bet? must they bet?	must I be betting? must you be betting? must he be betting? must we be betting? must you be betting? must they be betting?
Perfect	V-ing perfect
must I have bet? must you have bet? must he have bet? must we have bet? must you have bet? must they have bet?	must I have been betting? must you have been betting? must he have been betting? must we have been betting? must you have been betting? must they have been betting?

Interro-negative form

Simple form	V-ing form
mustn't I bet? mustn't you bet? mustn't he bet? mustn't we bet? mustn't you bet? mustn't they bet?	mustn't I be betting? mustn't you be betting? mustn't he be betting? mustn't we be betting? mustn't you be betting? mustn't they be betting?
Perfect	V-ing perfect
mustn't I have bet? mustn't you have bet? mustn't he have bet? mustn't we have bet? mustn't you have bet? mustn't they have bet?	mustn't I have been betting? mustn't you have been betting? mustn't he have been betting? mustn't we have been betting? mustn't you have been betting? mustn't they have been betting?