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