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