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