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