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 mustn't wreck you mustn't wreck he mustn't wreck we mustn't wreck you mustn't wreck they mustn't wreck	I mustn't be wrecking you mustn't be wrecking he mustn't be wrecking we mustn't be wrecking you mustn't be wrecking they mustn't be wrecking
Perfect	V-ing perfect
I mustn't have wrecked you mustn't have wrecked he mustn't have wrecked we mustn't have wrecked you mustn't have wrecked they mustn't have wrecked	I mustn't have been wrecking you mustn't have been wrecking he mustn't have been wrecking we mustn't have been wrecking you mustn't have been wrecking they mustn't 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
mustn't I wreck? mustn't you wreck? mustn't he wreck? mustn't we wreck? mustn't you wreck? mustn't they wreck?	mustn't I be wrecking? mustn't you be wrecking? mustn't he be wrecking? mustn't we be wrecking? mustn't you be wrecking? mustn't they be wrecking?
Perfect	V-ing perfect
mustn't I have wrecked? mustn't you have wrecked? mustn't he have wrecked? mustn't we have wrecked? mustn't you have wrecked? mustn't they have wrecked?	mustn't I have been wrecking? mustn't you have been wrecking? mustn't he have been wrecking? mustn't we have been wrecking? mustn't you have been wrecking? mustn't they have been wrecking?