English verb conjugation
MUST STEAL

Irregular verb: steal - stole - stolen

Affirmation

Simple form	V-ing form
I must steal you must steal he must steal we must steal you must steal they must steal	I must be stealing you must be stealing he must be stealing we must be stealing you must be stealing they must be stealing
Perfect	V-ing perfect
I must have stolen you must have stolen he must have stolen we must have stolen you must have stolen they must have stolen	I must have been stealing you must have been stealing he must have been stealing we must have been stealing you must have been stealing they must have been stealing

Negation

Simple form	V-ing form
I mustn't steal you mustn't steal he mustn't steal we mustn't steal you mustn't steal they mustn't steal	I mustn't be stealing you mustn't be stealing he mustn't be stealing we mustn't be stealing you mustn't be stealing they mustn't be stealing
Perfect	V-ing perfect
I mustn't have stolen you mustn't have stolen he mustn't have stolen we mustn't have stolen you mustn't have stolen they mustn't have stolen	I mustn't have been stealing you mustn't have been stealing he mustn't have been stealing we mustn't have been stealing you mustn't have been stealing they mustn't have been stealing

Interrogative form

Simple form	V-ing form
must I steal? must you steal? must he steal? must we steal? must you steal? must they steal?	must I be stealing? must you be stealing? must he be stealing? must we be stealing? must you be stealing? must they be stealing?
Perfect	V-ing perfect
must I have stolen? must you have stolen? must he have stolen? must we have stolen? must you have stolen? must they have stolen?	must I have been stealing? must you have been stealing? must he have been stealing? must we have been stealing? must you have been stealing? must they have been stealing?

Interro-negative form

Simple form	V-ing form
mustn't I steal? mustn't you steal? mustn't he steal? mustn't we steal? mustn't you steal? mustn't they steal?	mustn't I be stealing? mustn't you be stealing? mustn't he be stealing? mustn't we be stealing? mustn't you be stealing? mustn't they be stealing?
Perfect	V-ing perfect
mustn't I have stolen? mustn't you have stolen? mustn't he have stolen? mustn't we have stolen? mustn't you have stolen? mustn't they have stolen?	mustn't I have been stealing? mustn't you have been stealing? mustn't he have been stealing? mustn't we have been stealing? mustn't you have been stealing? mustn't they have been stealing?