I may thumb-index you may thumb-index he may thumb-index we may thumb-index you may thumb-index they may thumb-index
V-ing form
I may be thumb-indexing you may be thumb-indexing he may be thumb-indexing we may be thumb-indexing you may be thumb-indexing they may be thumb-indexing
Perfect
I may have thumb-indexed you may have thumb-indexed he may have thumb-indexed we may have thumb-indexed you may have thumb-indexed they may have thumb-indexed
V-ing perfect
I may have been thumb-indexing you may have been thumb-indexing he may have been thumb-indexing we may have been thumb-indexing you may have been thumb-indexing they may have been thumb-indexing
Negation
Simple form
I mayn't thumb-index you mayn't thumb-index he mayn't thumb-index we mayn't thumb-index you mayn't thumb-index they mayn't thumb-index
V-ing form
I mayn't be thumb-indexing you mayn't be thumb-indexing he mayn't be thumb-indexing we mayn't be thumb-indexing you mayn't be thumb-indexing they mayn't be thumb-indexing
Perfect
I mayn't have thumb-indexed you mayn't have thumb-indexed he mayn't have thumb-indexed we mayn't have thumb-indexed you mayn't have thumb-indexed they mayn't have thumb-indexed
V-ing perfect
I mayn't have been thumb-indexing you mayn't have been thumb-indexing he mayn't have been thumb-indexing we mayn't have been thumb-indexing you mayn't have been thumb-indexing they mayn't have been thumb-indexing
Interrogative form
Simple form
may I thumb-index? may you thumb-index? may he thumb-index? may we thumb-index? may you thumb-index? may they thumb-index?
V-ing form
may I be thumb-indexing? may you be thumb-indexing? may he be thumb-indexing? may we be thumb-indexing? may you be thumb-indexing? may they be thumb-indexing?
Perfect
may I have thumb-indexed? may you have thumb-indexed? may he have thumb-indexed? may we have thumb-indexed? may you have thumb-indexed? may they have thumb-indexed?
V-ing perfect
may I have been thumb-indexing? may you have been thumb-indexing? may he have been thumb-indexing? may we have been thumb-indexing? may you have been thumb-indexing? may they have been thumb-indexing?
Interro-negative form
Simple form
mayn't I thumb-index? mayn't you thumb-index? mayn't he thumb-index? mayn't we thumb-index? mayn't you thumb-index? mayn't they thumb-index?
V-ing form
mayn't I be thumb-indexing? mayn't you be thumb-indexing? mayn't he be thumb-indexing? mayn't we be thumb-indexing? mayn't you be thumb-indexing? mayn't they be thumb-indexing?
Perfect
mayn't I have thumb-indexed? mayn't you have thumb-indexed? mayn't he have thumb-indexed? mayn't we have thumb-indexed? mayn't you have thumb-indexed? mayn't they have thumb-indexed?
V-ing perfect
mayn't I have been thumb-indexing? mayn't you have been thumb-indexing? mayn't he have been thumb-indexing? mayn't we have been thumb-indexing? mayn't you have been thumb-indexing? mayn't they have been thumb-indexing?