English verb conjugation
MUST MISUSE

Regular verb: misuse - misused - misused

Affirmation

Simple form	V-ing form
I must misuse you must misuse he must misuse we must misuse you must misuse they must misuse	I must be misusing you must be misusing he must be misusing we must be misusing you must be misusing they must be misusing
Perfect	V-ing perfect
I must have misused you must have misused he must have misused we must have misused you must have misused they must have misused	I must have been misusing you must have been misusing he must have been misusing we must have been misusing you must have been misusing they must have been misusing

Negation

Simple form	V-ing form
I mustn't misuse you mustn't misuse he mustn't misuse we mustn't misuse you mustn't misuse they mustn't misuse	I mustn't be misusing you mustn't be misusing he mustn't be misusing we mustn't be misusing you mustn't be misusing they mustn't be misusing
Perfect	V-ing perfect
I mustn't have misused you mustn't have misused he mustn't have misused we mustn't have misused you mustn't have misused they mustn't have misused	I mustn't have been misusing you mustn't have been misusing he mustn't have been misusing we mustn't have been misusing you mustn't have been misusing they mustn't have been misusing

Interrogative form

Simple form	V-ing form
must I misuse? must you misuse? must he misuse? must we misuse? must you misuse? must they misuse?	must I be misusing? must you be misusing? must he be misusing? must we be misusing? must you be misusing? must they be misusing?
Perfect	V-ing perfect
must I have misused? must you have misused? must he have misused? must we have misused? must you have misused? must they have misused?	must I have been misusing? must you have been misusing? must he have been misusing? must we have been misusing? must you have been misusing? must they have been misusing?

Interro-negative form

Simple form	V-ing form
mustn't I misuse? mustn't you misuse? mustn't he misuse? mustn't we misuse? mustn't you misuse? mustn't they misuse?	mustn't I be misusing? mustn't you be misusing? mustn't he be misusing? mustn't we be misusing? mustn't you be misusing? mustn't they be misusing?
Perfect	V-ing perfect
mustn't I have misused? mustn't you have misused? mustn't he have misused? mustn't we have misused? mustn't you have misused? mustn't they have misused?	mustn't I have been misusing? mustn't you have been misusing? mustn't he have been misusing? mustn't we have been misusing? mustn't you have been misusing? mustn't they have been misusing?