English verb conjugation
MUST DISCIPLINE

Regular verb: discipline - disciplined - disciplined

Affirmation

Simple form	V-ing form
I must discipline you must discipline he must discipline we must discipline you must discipline they must discipline	I must be disciplining you must be disciplining he must be disciplining we must be disciplining you must be disciplining they must be disciplining
Perfect	V-ing perfect
I must have disciplined you must have disciplined he must have disciplined we must have disciplined you must have disciplined they must have disciplined	I must have been disciplining you must have been disciplining he must have been disciplining we must have been disciplining you must have been disciplining they must have been disciplining

Negation

Simple form	V-ing form
I mustn't discipline you mustn't discipline he mustn't discipline we mustn't discipline you mustn't discipline they mustn't discipline	I mustn't be disciplining you mustn't be disciplining he mustn't be disciplining we mustn't be disciplining you mustn't be disciplining they mustn't be disciplining
Perfect	V-ing perfect
I mustn't have disciplined you mustn't have disciplined he mustn't have disciplined we mustn't have disciplined you mustn't have disciplined they mustn't have disciplined	I mustn't have been disciplining you mustn't have been disciplining he mustn't have been disciplining we mustn't have been disciplining you mustn't have been disciplining they mustn't have been disciplining

Interrogative form

Simple form	V-ing form
must I discipline? must you discipline? must he discipline? must we discipline? must you discipline? must they discipline?	must I be disciplining? must you be disciplining? must he be disciplining? must we be disciplining? must you be disciplining? must they be disciplining?
Perfect	V-ing perfect
must I have disciplined? must you have disciplined? must he have disciplined? must we have disciplined? must you have disciplined? must they have disciplined?	must I have been disciplining? must you have been disciplining? must he have been disciplining? must we have been disciplining? must you have been disciplining? must they have been disciplining?

Interro-negative form

Simple form	V-ing form
mustn't I discipline? mustn't you discipline? mustn't he discipline? mustn't we discipline? mustn't you discipline? mustn't they discipline?	mustn't I be disciplining? mustn't you be disciplining? mustn't he be disciplining? mustn't we be disciplining? mustn't you be disciplining? mustn't they be disciplining?
Perfect	V-ing perfect
mustn't I have disciplined? mustn't you have disciplined? mustn't he have disciplined? mustn't we have disciplined? mustn't you have disciplined? mustn't they have disciplined?	mustn't I have been disciplining? mustn't you have been disciplining? mustn't he have been disciplining? mustn't we have been disciplining? mustn't you have been disciplining? mustn't they have been disciplining?