English verb conjugation
MUST FLICKER

Regular verb: flicker - flickered - flickered

Affirmation

Simple form	V-ing form
I must flicker you must flicker she must flicker we must flicker you must flicker they must flicker	I must be flickering you must be flickering she must be flickering we must be flickering you must be flickering they must be flickering
Perfect	V-ing perfect
I must have flickered you must have flickered she must have flickered we must have flickered you must have flickered they must have flickered	I must have been flickering you must have been flickering she must have been flickering we must have been flickering you must have been flickering they must have been flickering

Negation

Simple form	V-ing form
I must not flicker you must not flicker she must not flicker we must not flicker you must not flicker they must not flicker	I must not be flickering you must not be flickering she must not be flickering we must not be flickering you must not be flickering they must not be flickering
Perfect	V-ing perfect
I must not have flickered you must not have flickered she must not have flickered we must not have flickered you must not have flickered they must not have flickered	I must not have been flickering you must not have been flickering she must not have been flickering we must not have been flickering you must not have been flickering they must not have been flickering

Interrogative form

Simple form	V-ing form
must I flicker? must you flicker? must she flicker? must we flicker? must you flicker? must they flicker?	must I be flickering? must you be flickering? must she be flickering? must we be flickering? must you be flickering? must they be flickering?
Perfect	V-ing perfect
must I have flickered? must you have flickered? must she have flickered? must we have flickered? must you have flickered? must they have flickered?	must I have been flickering? must you have been flickering? must she have been flickering? must we have been flickering? must you have been flickering? must they have been flickering?

Interro-negative form

Simple form	V-ing form
must I not flicker? must you not flicker? must she not flicker? must we not flicker? must you not flicker? must they not flicker?	must I not be flickering? must you not be flickering? must she not be flickering? must we not be flickering? must you not be flickering? must they not be flickering?
Perfect	V-ing perfect
must I not have flickered? must you not have flickered? must she not have flickered? must we not have flickered? must you not have flickered? must they not have flickered?	must I not have been flickering? must you not have been flickering? must she not have been flickering? must we not have been flickering? must you not have been flickering? must they not have been flickering?