English verb conjugation
MAY GRASS

Regular verb: grass - grassed - grassed

Affirmation

Simple form	V-ing form
I may grass you may grass he may grass we may grass you may grass they may grass	I may be grassing you may be grassing he may be grassing we may be grassing you may be grassing they may be grassing
Perfect	V-ing perfect
I may have grassed you may have grassed he may have grassed we may have grassed you may have grassed they may have grassed	I may have been grassing you may have been grassing he may have been grassing we may have been grassing you may have been grassing they may have been grassing

Negation

Simple form	V-ing form
I mayn't grass you mayn't grass he mayn't grass we mayn't grass you mayn't grass they mayn't grass	I mayn't be grassing you mayn't be grassing he mayn't be grassing we mayn't be grassing you mayn't be grassing they mayn't be grassing
Perfect	V-ing perfect
I mayn't have grassed you mayn't have grassed he mayn't have grassed we mayn't have grassed you mayn't have grassed they mayn't have grassed	I mayn't have been grassing you mayn't have been grassing he mayn't have been grassing we mayn't have been grassing you mayn't have been grassing they mayn't have been grassing

Interrogative form

Simple form	V-ing form
may I grass? may you grass? may he grass? may we grass? may you grass? may they grass?	may I be grassing? may you be grassing? may he be grassing? may we be grassing? may you be grassing? may they be grassing?
Perfect	V-ing perfect
may I have grassed? may you have grassed? may he have grassed? may we have grassed? may you have grassed? may they have grassed?	may I have been grassing? may you have been grassing? may he have been grassing? may we have been grassing? may you have been grassing? may they have been grassing?

Interro-negative form

Simple form	V-ing form
mayn't I grass? mayn't you grass? mayn't he grass? mayn't we grass? mayn't you grass? mayn't they grass?	mayn't I be grassing? mayn't you be grassing? mayn't he be grassing? mayn't we be grassing? mayn't you be grassing? mayn't they be grassing?
Perfect	V-ing perfect
mayn't I have grassed? mayn't you have grassed? mayn't he have grassed? mayn't we have grassed? mayn't you have grassed? mayn't they have grassed?	mayn't I have been grassing? mayn't you have been grassing? mayn't he have been grassing? mayn't we have been grassing? mayn't you have been grassing? mayn't they have been grassing?