I may preadopt you may preadopt he may preadopt we may preadopt you may preadopt they may preadopt
V-ing form
I may be preadopting you may be preadopting he may be preadopting we may be preadopting you may be preadopting they may be preadopting
Perfect
I may have preadopted you may have preadopted he may have preadopted we may have preadopted you may have preadopted they may have preadopted
V-ing perfect
I may have been preadopting you may have been preadopting he may have been preadopting we may have been preadopting you may have been preadopting they may have been preadopting
Negation
Simple form
I mayn't preadopt you mayn't preadopt he mayn't preadopt we mayn't preadopt you mayn't preadopt they mayn't preadopt
V-ing form
I mayn't be preadopting you mayn't be preadopting he mayn't be preadopting we mayn't be preadopting you mayn't be preadopting they mayn't be preadopting
Perfect
I mayn't have preadopted you mayn't have preadopted he mayn't have preadopted we mayn't have preadopted you mayn't have preadopted they mayn't have preadopted
V-ing perfect
I mayn't have been preadopting you mayn't have been preadopting he mayn't have been preadopting we mayn't have been preadopting you mayn't have been preadopting they mayn't have been preadopting
Interrogative form
Simple form
may I preadopt? may you preadopt? may he preadopt? may we preadopt? may you preadopt? may they preadopt?
V-ing form
may I be preadopting? may you be preadopting? may he be preadopting? may we be preadopting? may you be preadopting? may they be preadopting?
Perfect
may I have preadopted? may you have preadopted? may he have preadopted? may we have preadopted? may you have preadopted? may they have preadopted?
V-ing perfect
may I have been preadopting? may you have been preadopting? may he have been preadopting? may we have been preadopting? may you have been preadopting? may they have been preadopting?
Interro-negative form
Simple form
mayn't I preadopt? mayn't you preadopt? mayn't he preadopt? mayn't we preadopt? mayn't you preadopt? mayn't they preadopt?
V-ing form
mayn't I be preadopting? mayn't you be preadopting? mayn't he be preadopting? mayn't we be preadopting? mayn't you be preadopting? mayn't they be preadopting?
Perfect
mayn't I have preadopted? mayn't you have preadopted? mayn't he have preadopted? mayn't we have preadopted? mayn't you have preadopted? mayn't they have preadopted?
V-ing perfect
mayn't I have been preadopting? mayn't you have been preadopting? mayn't he have been preadopting? mayn't we have been preadopting? mayn't you have been preadopting? mayn't they have been preadopting?