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