English verb conjugation
MUST STRAFE

Regular verb: strafe - strafed - strafed

Affirmation

Simple form	V-ing form
I must strafe you must strafe she must strafe we must strafe you must strafe they must strafe	I must be strafing you must be strafing she must be strafing we must be strafing you must be strafing they must be strafing
Perfect	V-ing perfect
I must have strafed you must have strafed she must have strafed we must have strafed you must have strafed they must have strafed	I must have been strafing you must have been strafing she must have been strafing we must have been strafing you must have been strafing they must have been strafing

Negation

Simple form	V-ing form
I must not strafe you must not strafe she must not strafe we must not strafe you must not strafe they must not strafe	I must not be strafing you must not be strafing she must not be strafing we must not be strafing you must not be strafing they must not be strafing
Perfect	V-ing perfect
I must not have strafed you must not have strafed she must not have strafed we must not have strafed you must not have strafed they must not have strafed	I must not have been strafing you must not have been strafing she must not have been strafing we must not have been strafing you must not have been strafing they must not have been strafing

Interrogative form

Simple form	V-ing form
must I strafe? must you strafe? must she strafe? must we strafe? must you strafe? must they strafe?	must I be strafing? must you be strafing? must she be strafing? must we be strafing? must you be strafing? must they be strafing?
Perfect	V-ing perfect
must I have strafed? must you have strafed? must she have strafed? must we have strafed? must you have strafed? must they have strafed?	must I have been strafing? must you have been strafing? must she have been strafing? must we have been strafing? must you have been strafing? must they have been strafing?

Interro-negative form

Simple form	V-ing form
must I not strafe? must you not strafe? must she not strafe? must we not strafe? must you not strafe? must they not strafe?	must I not be strafing? must you not be strafing? must she not be strafing? must we not be strafing? must you not be strafing? must they not be strafing?
Perfect	V-ing perfect
must I not have strafed? must you not have strafed? must she not have strafed? must we not have strafed? must you not have strafed? must they not have strafed?	must I not have been strafing? must you not have been strafing? must she not have been strafing? must we not have been strafing? must you not have been strafing? must they not have been strafing?