English verb conjugation
MAY SHEATHE

Regular verb: sheathe - sheathed - sheathed

Affirmation

Simple form	V-ing form
I may sheathe you may sheathe he may sheathe we may sheathe you may sheathe they may sheathe	I may be sheathing you may be sheathing he may be sheathing we may be sheathing you may be sheathing they may be sheathing
Perfect	V-ing perfect
I may have sheathed you may have sheathed he may have sheathed we may have sheathed you may have sheathed they may have sheathed	I may have been sheathing you may have been sheathing he may have been sheathing we may have been sheathing you may have been sheathing they may have been sheathing

Negation

Simple form	V-ing form
I mayn't sheathe you mayn't sheathe he mayn't sheathe we mayn't sheathe you mayn't sheathe they mayn't sheathe	I mayn't be sheathing you mayn't be sheathing he mayn't be sheathing we mayn't be sheathing you mayn't be sheathing they mayn't be sheathing
Perfect	V-ing perfect
I mayn't have sheathed you mayn't have sheathed he mayn't have sheathed we mayn't have sheathed you mayn't have sheathed they mayn't have sheathed	I mayn't have been sheathing you mayn't have been sheathing he mayn't have been sheathing we mayn't have been sheathing you mayn't have been sheathing they mayn't have been sheathing

Interrogative form

Simple form	V-ing form
may I sheathe? may you sheathe? may he sheathe? may we sheathe? may you sheathe? may they sheathe?	may I be sheathing? may you be sheathing? may he be sheathing? may we be sheathing? may you be sheathing? may they be sheathing?
Perfect	V-ing perfect
may I have sheathed? may you have sheathed? may he have sheathed? may we have sheathed? may you have sheathed? may they have sheathed?	may I have been sheathing? may you have been sheathing? may he have been sheathing? may we have been sheathing? may you have been sheathing? may they have been sheathing?

Interro-negative form

Simple form	V-ing form
mayn't I sheathe? mayn't you sheathe? mayn't he sheathe? mayn't we sheathe? mayn't you sheathe? mayn't they sheathe?	mayn't I be sheathing? mayn't you be sheathing? mayn't he be sheathing? mayn't we be sheathing? mayn't you be sheathing? mayn't they be sheathing?
Perfect	V-ing perfect
mayn't I have sheathed? mayn't you have sheathed? mayn't he have sheathed? mayn't we have sheathed? mayn't you have sheathed? mayn't they have sheathed?	mayn't I have been sheathing? mayn't you have been sheathing? mayn't he have been sheathing? mayn't we have been sheathing? mayn't you have been sheathing? mayn't they have been sheathing?