English verb conjugation
MAY BUY

Irregular verb: buy - bought - bought

Affirmation

Simple form	V-ing form
I may buy you may buy he may buy we may buy you may buy they may buy	I may be buying you may be buying he may be buying we may be buying you may be buying they may be buying
Perfect	V-ing perfect
I may have bought you may have bought he may have bought we may have bought you may have bought they may have bought	I may have been buying you may have been buying he may have been buying we may have been buying you may have been buying they may have been buying

Negation

Simple form	V-ing form
I may not buy you may not buy he may not buy we may not buy you may not buy they may not buy	I may not be buying you may not be buying he may not be buying we may not be buying you may not be buying they may not be buying
Perfect	V-ing perfect
I may not have bought you may not have bought he may not have bought we may not have bought you may not have bought they may not have bought	I may not have been buying you may not have been buying he may not have been buying we may not have been buying you may not have been buying they may not have been buying

Interrogative form

Simple form	V-ing form
may I buy? may you buy? may he buy? may we buy? may you buy? may they buy?	may I be buying? may you be buying? may he be buying? may we be buying? may you be buying? may they be buying?
Perfect	V-ing perfect
may I have bought? may you have bought? may he have bought? may we have bought? may you have bought? may they have bought?	may I have been buying? may you have been buying? may he have been buying? may we have been buying? may you have been buying? may they have been buying?

Interro-negative form

Simple form	V-ing form
may I not buy? may you not buy? may he not buy? may we not buy? may you not buy? may they not buy?	may I not be buying? may you not be buying? may he not be buying? may we not be buying? may you not be buying? may they not be buying?
Perfect	V-ing perfect
may I not have bought? may you not have bought? may he not have bought? may we not have bought? may you not have bought? may they not have bought?	may I not have been buying? may you not have been buying? may he not have been buying? may we not have been buying? may you not have been buying? may they not have been buying?