English verb conjugation
MUST DEBUG

Regular verb: debug - debugged - debugged

Affirmation

Simple form	V-ing form
I must debug you must debug he must debug we must debug you must debug they must debug	I must be debugging you must be debugging he must be debugging we must be debugging you must be debugging they must be debugging
Perfect	V-ing perfect
I must have debugged you must have debugged he must have debugged we must have debugged you must have debugged they must have debugged	I must have been debugging you must have been debugging he must have been debugging we must have been debugging you must have been debugging they must have been debugging

Negation

Simple form	V-ing form
I mustn't debug you mustn't debug he mustn't debug we mustn't debug you mustn't debug they mustn't debug	I mustn't be debugging you mustn't be debugging he mustn't be debugging we mustn't be debugging you mustn't be debugging they mustn't be debugging
Perfect	V-ing perfect
I mustn't have debugged you mustn't have debugged he mustn't have debugged we mustn't have debugged you mustn't have debugged they mustn't have debugged	I mustn't have been debugging you mustn't have been debugging he mustn't have been debugging we mustn't have been debugging you mustn't have been debugging they mustn't have been debugging

Interrogative form

Simple form	V-ing form
must I debug? must you debug? must he debug? must we debug? must you debug? must they debug?	must I be debugging? must you be debugging? must he be debugging? must we be debugging? must you be debugging? must they be debugging?
Perfect	V-ing perfect
must I have debugged? must you have debugged? must he have debugged? must we have debugged? must you have debugged? must they have debugged?	must I have been debugging? must you have been debugging? must he have been debugging? must we have been debugging? must you have been debugging? must they have been debugging?

Interro-negative form

Simple form	V-ing form
mustn't I debug? mustn't you debug? mustn't he debug? mustn't we debug? mustn't you debug? mustn't they debug?	mustn't I be debugging? mustn't you be debugging? mustn't he be debugging? mustn't we be debugging? mustn't you be debugging? mustn't they be debugging?
Perfect	V-ing perfect
mustn't I have debugged? mustn't you have debugged? mustn't he have debugged? mustn't we have debugged? mustn't you have debugged? mustn't they have debugged?	mustn't I have been debugging? mustn't you have been debugging? mustn't he have been debugging? mustn't we have been debugging? mustn't you have been debugging? mustn't they have been debugging?