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