English verb conjugation
MUST FLECK

Regular verb: fleck - flecked - flecked

Affirmation

Simple form	V-ing form
I must fleck you must fleck he must fleck we must fleck you must fleck they must fleck	I must be flecking you must be flecking he must be flecking we must be flecking you must be flecking they must be flecking
Perfect	V-ing perfect
I must have flecked you must have flecked he must have flecked we must have flecked you must have flecked they must have flecked	I must have been flecking you must have been flecking he must have been flecking we must have been flecking you must have been flecking they must have been flecking

Negation

Simple form	V-ing form
I must not fleck you must not fleck he must not fleck we must not fleck you must not fleck they must not fleck	I must not be flecking you must not be flecking he must not be flecking we must not be flecking you must not be flecking they must not be flecking
Perfect	V-ing perfect
I must not have flecked you must not have flecked he must not have flecked we must not have flecked you must not have flecked they must not have flecked	I must not have been flecking you must not have been flecking he must not have been flecking we must not have been flecking you must not have been flecking they must not have been flecking

Interrogative form

Simple form	V-ing form
must I fleck? must you fleck? must he fleck? must we fleck? must you fleck? must they fleck?	must I be flecking? must you be flecking? must he be flecking? must we be flecking? must you be flecking? must they be flecking?
Perfect	V-ing perfect
must I have flecked? must you have flecked? must he have flecked? must we have flecked? must you have flecked? must they have flecked?	must I have been flecking? must you have been flecking? must he have been flecking? must we have been flecking? must you have been flecking? must they have been flecking?

Interro-negative form

Simple form	V-ing form
must I not fleck? must you not fleck? must he not fleck? must we not fleck? must you not fleck? must they not fleck?	must I not be flecking? must you not be flecking? must he not be flecking? must we not be flecking? must you not be flecking? must they not be flecking?
Perfect	V-ing perfect
must I not have flecked? must you not have flecked? must he not have flecked? must we not have flecked? must you not have flecked? must they not have flecked?	must I not have been flecking? must you not have been flecking? must he not have been flecking? must we not have been flecking? must you not have been flecking? must they not have been flecking?