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