I may trip you may trip he may trip we may trip you may trip they may trip
V-ing form
I may be tripping you may be tripping he may be tripping we may be tripping you may be tripping they may be tripping
Perfect
I may have tripped you may have tripped he 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 he 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 he 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 he 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 he 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 he 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 he trip? may we trip? may you trip? may they trip?
V-ing form
may I be tripping? may you be tripping? may he be tripping? may we be tripping? may you be tripping? may they be tripping?
Perfect
may I have tripped? may you have tripped? may he 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 he 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 he 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 he 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 he 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 he have been tripping? mayn't we have been tripping? mayn't you have been tripping? mayn't they have been tripping?