English verb conjugation
MUST WREAK

Regular verb: wreak - wreaked - wreaked

Affirmation

Simple form	V-ing form
I must wreak you must wreak he must wreak we must wreak you must wreak they must wreak	I must be wreaking you must be wreaking he must be wreaking we must be wreaking you must be wreaking they must be wreaking
Perfect	V-ing perfect
I must have wreaked you must have wreaked he must have wreaked we must have wreaked you must have wreaked they must have wreaked	I must have been wreaking you must have been wreaking he must have been wreaking we must have been wreaking you must have been wreaking they must have been wreaking

Negation

Simple form	V-ing form
I must not wreak you must not wreak he must not wreak we must not wreak you must not wreak they must not wreak	I must not be wreaking you must not be wreaking he must not be wreaking we must not be wreaking you must not be wreaking they must not be wreaking
Perfect	V-ing perfect
I must not have wreaked you must not have wreaked he must not have wreaked we must not have wreaked you must not have wreaked they must not have wreaked	I must not have been wreaking you must not have been wreaking he must not have been wreaking we must not have been wreaking you must not have been wreaking they must not have been wreaking

Interrogative form

Simple form	V-ing form
must I wreak? must you wreak? must he wreak? must we wreak? must you wreak? must they wreak?	must I be wreaking? must you be wreaking? must he be wreaking? must we be wreaking? must you be wreaking? must they be wreaking?
Perfect	V-ing perfect
must I have wreaked? must you have wreaked? must he have wreaked? must we have wreaked? must you have wreaked? must they have wreaked?	must I have been wreaking? must you have been wreaking? must he have been wreaking? must we have been wreaking? must you have been wreaking? must they have been wreaking?

Interro-negative form

Simple form	V-ing form
must I not wreak? must you not wreak? must he not wreak? must we not wreak? must you not wreak? must they not wreak?	must I not be wreaking? must you not be wreaking? must he not be wreaking? must we not be wreaking? must you not be wreaking? must they not be wreaking?
Perfect	V-ing perfect
must I not have wreaked? must you not have wreaked? must he not have wreaked? must we not have wreaked? must you not have wreaked? must they not have wreaked?	must I not have been wreaking? must you not have been wreaking? must he not have been wreaking? must we not have been wreaking? must you not have been wreaking? must they not have been wreaking?