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