English verb conjugation
MUST PUNCH

Regular verb: punch - punched - punched

Affirmation

Simple form	V-ing form
I must punch you must punch she must punch we must punch you must punch they must punch	I must be punching you must be punching she must be punching we must be punching you must be punching they must be punching
Perfect	V-ing perfect
I must have punched you must have punched she must have punched we must have punched you must have punched they must have punched	I must have been punching you must have been punching she must have been punching we must have been punching you must have been punching they must have been punching

Negation

Simple form	V-ing form
I must not punch you must not punch she must not punch we must not punch you must not punch they must not punch	I must not be punching you must not be punching she must not be punching we must not be punching you must not be punching they must not be punching
Perfect	V-ing perfect
I must not have punched you must not have punched she must not have punched we must not have punched you must not have punched they must not have punched	I must not have been punching you must not have been punching she must not have been punching we must not have been punching you must not have been punching they must not have been punching

Interrogative form

Simple form	V-ing form
must I punch? must you punch? must she punch? must we punch? must you punch? must they punch?	must I be punching? must you be punching? must she be punching? must we be punching? must you be punching? must they be punching?
Perfect	V-ing perfect
must I have punched? must you have punched? must she have punched? must we have punched? must you have punched? must they have punched?	must I have been punching? must you have been punching? must she have been punching? must we have been punching? must you have been punching? must they have been punching?

Interro-negative form

Simple form	V-ing form
must I not punch? must you not punch? must she not punch? must we not punch? must you not punch? must they not punch?	must I not be punching? must you not be punching? must she not be punching? must we not be punching? must you not be punching? must they not be punching?
Perfect	V-ing perfect
must I not have punched? must you not have punched? must she not have punched? must we not have punched? must you not have punched? must they not have punched?	must I not have been punching? must you not have been punching? must she not have been punching? must we not have been punching? must you not have been punching? must they not have been punching?