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