I must preadopt you must preadopt she must preadopt we must preadopt you must preadopt they must preadopt
V-ing form
I must be preadopting you must be preadopting she must be preadopting we must be preadopting you must be preadopting they must be preadopting
Perfect
I must have preadopted you must have preadopted she must have preadopted we must have preadopted you must have preadopted they must have preadopted
V-ing perfect
I must have been preadopting you must have been preadopting she must have been preadopting we must have been preadopting you must have been preadopting they must have been preadopting
Negation
Simple form
I must not preadopt you must not preadopt she must not preadopt we must not preadopt you must not preadopt they must not preadopt
V-ing form
I must not be preadopting you must not be preadopting she must not be preadopting we must not be preadopting you must not be preadopting they must not be preadopting
Perfect
I must not have preadopted you must not have preadopted she must not have preadopted we must not have preadopted you must not have preadopted they must not have preadopted
V-ing perfect
I must not have been preadopting you must not have been preadopting she must not have been preadopting we must not have been preadopting you must not have been preadopting they must not have been preadopting
Interrogative form
Simple form
must I preadopt? must you preadopt? must she preadopt? must we preadopt? must you preadopt? must they preadopt?
V-ing form
must I be preadopting? must you be preadopting? must she be preadopting? must we be preadopting? must you be preadopting? must they be preadopting?
Perfect
must I have preadopted? must you have preadopted? must she have preadopted? must we have preadopted? must you have preadopted? must they have preadopted?
V-ing perfect
must I have been preadopting? must you have been preadopting? must she have been preadopting? must we have been preadopting? must you have been preadopting? must they have been preadopting?
Interro-negative form
Simple form
must I not preadopt? must you not preadopt? must she not preadopt? must we not preadopt? must you not preadopt? must they not preadopt?
V-ing form
must I not be preadopting? must you not be preadopting? must she not be preadopting? must we not be preadopting? must you not be preadopting? must they not be preadopting?
Perfect
must I not have preadopted? must you not have preadopted? must she not have preadopted? must we not have preadopted? must you not have preadopted? must they not have preadopted?
V-ing perfect
must I not have been preadopting? must you not have been preadopting? must she not have been preadopting? must we not have been preadopting? must you not have been preadopting? must they not have been preadopting?