I must enumerate you must enumerate he must enumerate we must enumerate you must enumerate they must enumerate
V-ing form
I must be enumerating you must be enumerating he must be enumerating we must be enumerating you must be enumerating they must be enumerating
Perfect
I must have enumerated you must have enumerated he must have enumerated we must have enumerated you must have enumerated they must have enumerated
V-ing perfect
I must have been enumerating you must have been enumerating he must have been enumerating we must have been enumerating you must have been enumerating they must have been enumerating
Negation
Simple form
I must not enumerate you must not enumerate he must not enumerate we must not enumerate you must not enumerate they must not enumerate
V-ing form
I must not be enumerating you must not be enumerating he must not be enumerating we must not be enumerating you must not be enumerating they must not be enumerating
Perfect
I must not have enumerated you must not have enumerated he must not have enumerated we must not have enumerated you must not have enumerated they must not have enumerated
V-ing perfect
I must not have been enumerating you must not have been enumerating he must not have been enumerating we must not have been enumerating you must not have been enumerating they must not have been enumerating
Interrogative form
Simple form
must I enumerate? must you enumerate? must he enumerate? must we enumerate? must you enumerate? must they enumerate?
V-ing form
must I be enumerating? must you be enumerating? must he be enumerating? must we be enumerating? must you be enumerating? must they be enumerating?
Perfect
must I have enumerated? must you have enumerated? must he have enumerated? must we have enumerated? must you have enumerated? must they have enumerated?
V-ing perfect
must I have been enumerating? must you have been enumerating? must he have been enumerating? must we have been enumerating? must you have been enumerating? must they have been enumerating?
Interro-negative form
Simple form
must I not enumerate? must you not enumerate? must he not enumerate? must we not enumerate? must you not enumerate? must they not enumerate?
V-ing form
must I not be enumerating? must you not be enumerating? must he not be enumerating? must we not be enumerating? must you not be enumerating? must they not be enumerating?
Perfect
must I not have enumerated? must you not have enumerated? must he not have enumerated? must we not have enumerated? must you not have enumerated? must they not have enumerated?
V-ing perfect
must I not have been enumerating? must you not have been enumerating? must he not have been enumerating? must we not have been enumerating? must you not have been enumerating? must they not have been enumerating?