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