I must preadapt you must preadapt he must preadapt we must preadapt you must preadapt they must preadapt
V-ing form
I must be preadapting you must be preadapting he must be preadapting we must be preadapting you must be preadapting they must be preadapting
Perfect
I must have preadapted you must have preadapted he must have preadapted we must have preadapted you must have preadapted they must have preadapted
V-ing perfect
I must have been preadapting you must have been preadapting he must have been preadapting we must have been preadapting you must have been preadapting they must have been preadapting
Negation
Simple form
I must not preadapt you must not preadapt he must not preadapt we must not preadapt you must not preadapt they must not preadapt
V-ing form
I must not be preadapting you must not be preadapting he must not be preadapting we must not be preadapting you must not be preadapting they must not be preadapting
Perfect
I must not have preadapted you must not have preadapted he must not have preadapted we must not have preadapted you must not have preadapted they must not have preadapted
V-ing perfect
I must not have been preadapting you must not have been preadapting he must not have been preadapting we must not have been preadapting you must not have been preadapting they must not have been preadapting
Interrogative form
Simple form
must I preadapt? must you preadapt? must he preadapt? must we preadapt? must you preadapt? must they preadapt?
V-ing form
must I be preadapting? must you be preadapting? must he be preadapting? must we be preadapting? must you be preadapting? must they be preadapting?
Perfect
must I have preadapted? must you have preadapted? must he have preadapted? must we have preadapted? must you have preadapted? must they have preadapted?
V-ing perfect
must I have been preadapting? must you have been preadapting? must he have been preadapting? must we have been preadapting? must you have been preadapting? must they have been preadapting?
Interro-negative form
Simple form
must I not preadapt? must you not preadapt? must he not preadapt? must we not preadapt? must you not preadapt? must they not preadapt?
V-ing form
must I not be preadapting? must you not be preadapting? must he not be preadapting? must we not be preadapting? must you not be preadapting? must they not be preadapting?
Perfect
must I not have preadapted? must you not have preadapted? must he not have preadapted? must we not have preadapted? must you not have preadapted? must they not have preadapted?
V-ing perfect
must I not have been preadapting? must you not have been preadapting? must he not have been preadapting? must we not have been preadapting? must you not have been preadapting? must they not have been preadapting?