English verb conjugation
MAY LAND

Regular verb: land - landed - landed

Affirmation

Simple form	V-ing form
I may land you may land he may land we may land you may land they may land	I may be landing you may be landing he may be landing we may be landing you may be landing they may be landing
Perfect	V-ing perfect
I may have landed you may have landed he may have landed we may have landed you may have landed they may have landed	I may have been landing you may have been landing he may have been landing we may have been landing you may have been landing they may have been landing

Negation

Simple form	V-ing form
I mayn't land you mayn't land he mayn't land we mayn't land you mayn't land they mayn't land	I mayn't be landing you mayn't be landing he mayn't be landing we mayn't be landing you mayn't be landing they mayn't be landing
Perfect	V-ing perfect
I mayn't have landed you mayn't have landed he mayn't have landed we mayn't have landed you mayn't have landed they mayn't have landed	I mayn't have been landing you mayn't have been landing he mayn't have been landing we mayn't have been landing you mayn't have been landing they mayn't have been landing

Interrogative form

Simple form	V-ing form
may I land? may you land? may he land? may we land? may you land? may they land?	may I be landing? may you be landing? may he be landing? may we be landing? may you be landing? may they be landing?
Perfect	V-ing perfect
may I have landed? may you have landed? may he have landed? may we have landed? may you have landed? may they have landed?	may I have been landing? may you have been landing? may he have been landing? may we have been landing? may you have been landing? may they have been landing?

Interro-negative form

Simple form	V-ing form
mayn't I land? mayn't you land? mayn't he land? mayn't we land? mayn't you land? mayn't they land?	mayn't I be landing? mayn't you be landing? mayn't he be landing? mayn't we be landing? mayn't you be landing? mayn't they be landing?
Perfect	V-ing perfect
mayn't I have landed? mayn't you have landed? mayn't he have landed? mayn't we have landed? mayn't you have landed? mayn't they have landed?	mayn't I have been landing? mayn't you have been landing? mayn't he have been landing? mayn't we have been landing? mayn't you have been landing? mayn't they have been landing?