English verb conjugation
MAY BOARD

Regular verb: board - boarded - boarded

Affirmation

Simple form	V-ing form
I may board you may board he may board we may board you may board they may board	I may be boarding you may be boarding he may be boarding we may be boarding you may be boarding they may be boarding
Perfect	V-ing perfect
I may have boarded you may have boarded he may have boarded we may have boarded you may have boarded they may have boarded	I may have been boarding you may have been boarding he may have been boarding we may have been boarding you may have been boarding they may have been boarding

Negation

Simple form	V-ing form
I mayn't board you mayn't board he mayn't board we mayn't board you mayn't board they mayn't board	I mayn't be boarding you mayn't be boarding he mayn't be boarding we mayn't be boarding you mayn't be boarding they mayn't be boarding
Perfect	V-ing perfect
I mayn't have boarded you mayn't have boarded he mayn't have boarded we mayn't have boarded you mayn't have boarded they mayn't have boarded	I mayn't have been boarding you mayn't have been boarding he mayn't have been boarding we mayn't have been boarding you mayn't have been boarding they mayn't have been boarding

Interrogative form

Simple form	V-ing form
may I board? may you board? may he board? may we board? may you board? may they board?	may I be boarding? may you be boarding? may he be boarding? may we be boarding? may you be boarding? may they be boarding?
Perfect	V-ing perfect
may I have boarded? may you have boarded? may he have boarded? may we have boarded? may you have boarded? may they have boarded?	may I have been boarding? may you have been boarding? may he have been boarding? may we have been boarding? may you have been boarding? may they have been boarding?

Interro-negative form

Simple form	V-ing form
mayn't I board? mayn't you board? mayn't he board? mayn't we board? mayn't you board? mayn't they board?	mayn't I be boarding? mayn't you be boarding? mayn't he be boarding? mayn't we be boarding? mayn't you be boarding? mayn't they be boarding?
Perfect	V-ing perfect
mayn't I have boarded? mayn't you have boarded? mayn't he have boarded? mayn't we have boarded? mayn't you have boarded? mayn't they have boarded?	mayn't I have been boarding? mayn't you have been boarding? mayn't he have been boarding? mayn't we have been boarding? mayn't you have been boarding? mayn't they have been boarding?