I must inventory you must inventory he must inventory we must inventory you must inventory they must inventory
V-ing form
I must be inventorying you must be inventorying he must be inventorying we must be inventorying you must be inventorying they must be inventorying
Perfect
I must have inventoried you must have inventoried he must have inventoried we must have inventoried you must have inventoried they must have inventoried
V-ing perfect
I must have been inventorying you must have been inventorying he must have been inventorying we must have been inventorying you must have been inventorying they must have been inventorying
Negation
Simple form
I must not inventory you must not inventory he must not inventory we must not inventory you must not inventory they must not inventory
V-ing form
I must not be inventorying you must not be inventorying he must not be inventorying we must not be inventorying you must not be inventorying they must not be inventorying
Perfect
I must not have inventoried you must not have inventoried he must not have inventoried we must not have inventoried you must not have inventoried they must not have inventoried
V-ing perfect
I must not have been inventorying you must not have been inventorying he must not have been inventorying we must not have been inventorying you must not have been inventorying they must not have been inventorying
Interrogative form
Simple form
must I inventory? must you inventory? must he inventory? must we inventory? must you inventory? must they inventory?
V-ing form
must I be inventorying? must you be inventorying? must he be inventorying? must we be inventorying? must you be inventorying? must they be inventorying?
Perfect
must I have inventoried? must you have inventoried? must he have inventoried? must we have inventoried? must you have inventoried? must they have inventoried?
V-ing perfect
must I have been inventorying? must you have been inventorying? must he have been inventorying? must we have been inventorying? must you have been inventorying? must they have been inventorying?
Interro-negative form
Simple form
must I not inventory? must you not inventory? must he not inventory? must we not inventory? must you not inventory? must they not inventory?
V-ing form
must I not be inventorying? must you not be inventorying? must he not be inventorying? must we not be inventorying? must you not be inventorying? must they not be inventorying?
Perfect
must I not have inventoried? must you not have inventoried? must he not have inventoried? must we not have inventoried? must you not have inventoried? must they not have inventoried?
V-ing perfect
must I not have been inventorying? must you not have been inventorying? must he not have been inventorying? must we not have been inventorying? must you not have been inventorying? must they not have been inventorying?