English verb conjugation
MUST WRECK

Regular verb: wreck - wrecked - wrecked

Affirmation

Simple form	V-ing form
I must wreck you must wreck he must wreck we must wreck you must wreck they must wreck	I must be wrecking you must be wrecking he must be wrecking we must be wrecking you must be wrecking they must be wrecking
Perfect	V-ing perfect
I must have wrecked you must have wrecked he must have wrecked we must have wrecked you must have wrecked they must have wrecked	I must have been wrecking you must have been wrecking he must have been wrecking we must have been wrecking you must have been wrecking they must have been wrecking

Negation

Simple form	V-ing form
I must not wreck you must not wreck he must not wreck we must not wreck you must not wreck they must not wreck	I must not be wrecking you must not be wrecking he must not be wrecking we must not be wrecking you must not be wrecking they must not be wrecking
Perfect	V-ing perfect
I must not have wrecked you must not have wrecked he must not have wrecked we must not have wrecked you must not have wrecked they must not have wrecked	I must not have been wrecking you must not have been wrecking he must not have been wrecking we must not have been wrecking you must not have been wrecking they must not have been wrecking

Interrogative form

Simple form	V-ing form
must I wreck? must you wreck? must he wreck? must we wreck? must you wreck? must they wreck?	must I be wrecking? must you be wrecking? must he be wrecking? must we be wrecking? must you be wrecking? must they be wrecking?
Perfect	V-ing perfect
must I have wrecked? must you have wrecked? must he have wrecked? must we have wrecked? must you have wrecked? must they have wrecked?	must I have been wrecking? must you have been wrecking? must he have been wrecking? must we have been wrecking? must you have been wrecking? must they have been wrecking?

Interro-negative form

Simple form	V-ing form
must I not wreck? must you not wreck? must he not wreck? must we not wreck? must you not wreck? must they not wreck?	must I not be wrecking? must you not be wrecking? must he not be wrecking? must we not be wrecking? must you not be wrecking? must they not be wrecking?
Perfect	V-ing perfect
must I not have wrecked? must you not have wrecked? must he not have wrecked? must we not have wrecked? must you not have wrecked? must they not have wrecked?	must I not have been wrecking? must you not have been wrecking? must he not have been wrecking? must we not have been wrecking? must you not have been wrecking? must they not have been wrecking?