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