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