English verb conjugation
MAY DULL

Regular verb: dull - dulled - dulled

Affirmation

Simple form	V-ing form
I may dull you may dull she may dull we may dull you may dull they may dull	I may be dulling you may be dulling she may be dulling we may be dulling you may be dulling they may be dulling
Perfect	V-ing perfect
I may have dulled you may have dulled she may have dulled we may have dulled you may have dulled they may have dulled	I may have been dulling you may have been dulling she may have been dulling we may have been dulling you may have been dulling they may have been dulling

Negation

Simple form	V-ing form
I may not dull you may not dull she may not dull we may not dull you may not dull they may not dull	I may not be dulling you may not be dulling she may not be dulling we may not be dulling you may not be dulling they may not be dulling
Perfect	V-ing perfect
I may not have dulled you may not have dulled she may not have dulled we may not have dulled you may not have dulled they may not have dulled	I may not have been dulling you may not have been dulling she may not have been dulling we may not have been dulling you may not have been dulling they may not have been dulling

Interrogative form

Simple form	V-ing form
may I dull? may you dull? may she dull? may we dull? may you dull? may they dull?	may I be dulling? may you be dulling? may she be dulling? may we be dulling? may you be dulling? may they be dulling?
Perfect	V-ing perfect
may I have dulled? may you have dulled? may she have dulled? may we have dulled? may you have dulled? may they have dulled?	may I have been dulling? may you have been dulling? may she have been dulling? may we have been dulling? may you have been dulling? may they have been dulling?

Interro-negative form

Simple form	V-ing form
may I not dull? may you not dull? may she not dull? may we not dull? may you not dull? may they not dull?	may I not be dulling? may you not be dulling? may she not be dulling? may we not be dulling? may you not be dulling? may they not be dulling?
Perfect	V-ing perfect
may I not have dulled? may you not have dulled? may she not have dulled? may we not have dulled? may you not have dulled? may they not have dulled?	may I not have been dulling? may you not have been dulling? may she not have been dulling? may we not have been dulling? may you not have been dulling? may they not have been dulling?