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 may not grass you may not grass he may not grass we may not grass you may not grass they may not grass	I may not be grassing you may not be grassing he may not be grassing we may not be grassing you may not be grassing they may not be grassing
Perfect	V-ing perfect
I may not have grassed you may not have grassed he may not have grassed we may not have grassed you may not have grassed they may not have grassed	I may not have been grassing you may not have been grassing he may not have been grassing we may not have been grassing you may not have been grassing they may not 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
may I not grass? may you not grass? may he not grass? may we not grass? may you not grass? may they not grass?	may I not be grassing? may you not be grassing? may he not be grassing? may we not be grassing? may you not be grassing? may they not be grassing?
Perfect	V-ing perfect
may I not have grassed? may you not have grassed? may he not have grassed? may we not have grassed? may you not have grassed? may they not have grassed?	may I not have been grassing? may you not have been grassing? may he not have been grassing? may we not have been grassing? may you not have been grassing? may they not have been grassing?