I must depreciate you must depreciate he must depreciate we must depreciate you must depreciate they must depreciate
V-ing form
I must be depreciating you must be depreciating he must be depreciating we must be depreciating you must be depreciating they must be depreciating
Perfect
I must have depreciated you must have depreciated he must have depreciated we must have depreciated you must have depreciated they must have depreciated
V-ing perfect
I must have been depreciating you must have been depreciating he must have been depreciating we must have been depreciating you must have been depreciating they must have been depreciating
Negation
Simple form
I must not depreciate you must not depreciate he must not depreciate we must not depreciate you must not depreciate they must not depreciate
V-ing form
I must not be depreciating you must not be depreciating he must not be depreciating we must not be depreciating you must not be depreciating they must not be depreciating
Perfect
I must not have depreciated you must not have depreciated he must not have depreciated we must not have depreciated you must not have depreciated they must not have depreciated
V-ing perfect
I must not have been depreciating you must not have been depreciating he must not have been depreciating we must not have been depreciating you must not have been depreciating they must not have been depreciating
Interrogative form
Simple form
must I depreciate? must you depreciate? must he depreciate? must we depreciate? must you depreciate? must they depreciate?
V-ing form
must I be depreciating? must you be depreciating? must he be depreciating? must we be depreciating? must you be depreciating? must they be depreciating?
Perfect
must I have depreciated? must you have depreciated? must he have depreciated? must we have depreciated? must you have depreciated? must they have depreciated?
V-ing perfect
must I have been depreciating? must you have been depreciating? must he have been depreciating? must we have been depreciating? must you have been depreciating? must they have been depreciating?
Interro-negative form
Simple form
must I not depreciate? must you not depreciate? must he not depreciate? must we not depreciate? must you not depreciate? must they not depreciate?
V-ing form
must I not be depreciating? must you not be depreciating? must he not be depreciating? must we not be depreciating? must you not be depreciating? must they not be depreciating?
Perfect
must I not have depreciated? must you not have depreciated? must he not have depreciated? must we not have depreciated? must you not have depreciated? must they not have depreciated?
V-ing perfect
must I not have been depreciating? must you not have been depreciating? must he not have been depreciating? must we not have been depreciating? must you not have been depreciating? must they not have been depreciating?