English verb conjugation
MUST DEBUG

Regular verb: debug - debugged - debugged

Affirmation

Simple form	V-ing form
I must debug you must debug she must debug we must debug you must debug they must debug	I must be debugging you must be debugging she 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 she 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 she 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 must not debug you must not debug she must not debug we must not debug you must not debug they must not debug	I must not be debugging you must not be debugging she must not be debugging we must not be debugging you must not be debugging they must not be debugging
Perfect	V-ing perfect
I must not have debugged you must not have debugged she must not have debugged we must not have debugged you must not have debugged they must not have debugged	I must not have been debugging you must not have been debugging she must not have been debugging we must not have been debugging you must not have been debugging they must not have been debugging

Interrogative form

Simple form	V-ing form
must I debug? must you debug? must she debug? must we debug? must you debug? must they debug?	must I be debugging? must you be debugging? must she 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 she 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 she 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
must I not debug? must you not debug? must she not debug? must we not debug? must you not debug? must they not debug?	must I not be debugging? must you not be debugging? must she not be debugging? must we not be debugging? must you not be debugging? must they not be debugging?
Perfect	V-ing perfect
must I not have debugged? must you not have debugged? must she not have debugged? must we not have debugged? must you not have debugged? must they not have debugged?	must I not have been debugging? must you not have been debugging? must she not have been debugging? must we not have been debugging? must you not have been debugging? must they not have been debugging?