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