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