English verb conjugation
MUST PLUCK

Regular verb: pluck - plucked - plucked

Affirmation

Simple form	V-ing form
I must pluck you must pluck he must pluck we must pluck you must pluck they must pluck	I must be plucking you must be plucking he must be plucking we must be plucking you must be plucking they must be plucking
Perfect	V-ing perfect
I must have plucked you must have plucked he must have plucked we must have plucked you must have plucked they must have plucked	I must have been plucking you must have been plucking he must have been plucking we must have been plucking you must have been plucking they must have been plucking

Negation

Simple form	V-ing form
I must not pluck you must not pluck he must not pluck we must not pluck you must not pluck they must not pluck	I must not be plucking you must not be plucking he must not be plucking we must not be plucking you must not be plucking they must not be plucking
Perfect	V-ing perfect
I must not have plucked you must not have plucked he must not have plucked we must not have plucked you must not have plucked they must not have plucked	I must not have been plucking you must not have been plucking he must not have been plucking we must not have been plucking you must not have been plucking they must not have been plucking

Interrogative form

Simple form	V-ing form
must I pluck? must you pluck? must he pluck? must we pluck? must you pluck? must they pluck?	must I be plucking? must you be plucking? must he be plucking? must we be plucking? must you be plucking? must they be plucking?
Perfect	V-ing perfect
must I have plucked? must you have plucked? must he have plucked? must we have plucked? must you have plucked? must they have plucked?	must I have been plucking? must you have been plucking? must he have been plucking? must we have been plucking? must you have been plucking? must they have been plucking?

Interro-negative form

Simple form	V-ing form
must I not pluck? must you not pluck? must he not pluck? must we not pluck? must you not pluck? must they not pluck?	must I not be plucking? must you not be plucking? must he not be plucking? must we not be plucking? must you not be plucking? must they not be plucking?
Perfect	V-ing perfect
must I not have plucked? must you not have plucked? must he not have plucked? must we not have plucked? must you not have plucked? must they not have plucked?	must I not have been plucking? must you not have been plucking? must he not have been plucking? must we not have been plucking? must you not have been plucking? must they not have been plucking?