English verb conjugation
MAY BLACKBALL

Regular verb: blackball - blackballed - blackballed

Affirmation

Simple form	V-ing form
I may blackball you may blackball he may blackball we may blackball you may blackball they may blackball	I may be blackballing you may be blackballing he may be blackballing we may be blackballing you may be blackballing they may be blackballing
Perfect	V-ing perfect
I may have blackballed you may have blackballed he may have blackballed we may have blackballed you may have blackballed they may have blackballed	I may have been blackballing you may have been blackballing he may have been blackballing we may have been blackballing you may have been blackballing they may have been blackballing

Negation

Simple form	V-ing form
I may not blackball you may not blackball he may not blackball we may not blackball you may not blackball they may not blackball	I may not be blackballing you may not be blackballing he may not be blackballing we may not be blackballing you may not be blackballing they may not be blackballing
Perfect	V-ing perfect
I may not have blackballed you may not have blackballed he may not have blackballed we may not have blackballed you may not have blackballed they may not have blackballed	I may not have been blackballing you may not have been blackballing he may not have been blackballing we may not have been blackballing you may not have been blackballing they may not have been blackballing

Interrogative form

Simple form	V-ing form
may I blackball? may you blackball? may he blackball? may we blackball? may you blackball? may they blackball?	may I be blackballing? may you be blackballing? may he be blackballing? may we be blackballing? may you be blackballing? may they be blackballing?
Perfect	V-ing perfect
may I have blackballed? may you have blackballed? may he have blackballed? may we have blackballed? may you have blackballed? may they have blackballed?	may I have been blackballing? may you have been blackballing? may he have been blackballing? may we have been blackballing? may you have been blackballing? may they have been blackballing?

Interro-negative form

Simple form	V-ing form
may I not blackball? may you not blackball? may he not blackball? may we not blackball? may you not blackball? may they not blackball?	may I not be blackballing? may you not be blackballing? may he not be blackballing? may we not be blackballing? may you not be blackballing? may they not be blackballing?
Perfect	V-ing perfect
may I not have blackballed? may you not have blackballed? may he not have blackballed? may we not have blackballed? may you not have blackballed? may they not have blackballed?	may I not have been blackballing? may you not have been blackballing? may he not have been blackballing? may we not have been blackballing? may you not have been blackballing? may they not have been blackballing?