I may trip you may trip she may trip we may trip you may trip they may trip
V-ing form
I may be tripping you may be tripping she may be tripping we may be tripping you may be tripping they may be tripping
Perfect
I may have tripped you may have tripped she may have tripped we may have tripped you may have tripped they may have tripped
V-ing perfect
I may have been tripping you may have been tripping she may have been tripping we may have been tripping you may have been tripping they may have been tripping
Negation
Simple form
I mayn't trip you mayn't trip she mayn't trip we mayn't trip you mayn't trip they mayn't trip
V-ing form
I mayn't be tripping you mayn't be tripping she mayn't be tripping we mayn't be tripping you mayn't be tripping they mayn't be tripping
Perfect
I mayn't have tripped you mayn't have tripped she mayn't have tripped we mayn't have tripped you mayn't have tripped they mayn't have tripped
V-ing perfect
I mayn't have been tripping you mayn't have been tripping she mayn't have been tripping we mayn't have been tripping you mayn't have been tripping they mayn't have been tripping
Interrogative form
Simple form
may I trip? may you trip? may she trip? may we trip? may you trip? may they trip?
V-ing form
may I be tripping? may you be tripping? may she be tripping? may we be tripping? may you be tripping? may they be tripping?
Perfect
may I have tripped? may you have tripped? may she have tripped? may we have tripped? may you have tripped? may they have tripped?
V-ing perfect
may I have been tripping? may you have been tripping? may she have been tripping? may we have been tripping? may you have been tripping? may they have been tripping?
Interro-negative form
Simple form
mayn't I trip? mayn't you trip? mayn't she trip? mayn't we trip? mayn't you trip? mayn't they trip?
V-ing form
mayn't I be tripping? mayn't you be tripping? mayn't she be tripping? mayn't we be tripping? mayn't you be tripping? mayn't they be tripping?
Perfect
mayn't I have tripped? mayn't you have tripped? mayn't she have tripped? mayn't we have tripped? mayn't you have tripped? mayn't they have tripped?
V-ing perfect
mayn't I have been tripping? mayn't you have been tripping? mayn't she have been tripping? mayn't we have been tripping? mayn't you have been tripping? mayn't they have been tripping?