English verb conjugation
MAY DULL

Regular verb: dull - dulled - dulled

Affirmation

Simple form	V-ing form
I may dull you may dull he may dull we may dull you may dull they may dull	I may be dulling you may be dulling he 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 he 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 he 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 mayn't dull you mayn't dull he mayn't dull we mayn't dull you mayn't dull they mayn't dull	I mayn't be dulling you mayn't be dulling he mayn't be dulling we mayn't be dulling you mayn't be dulling they mayn't be dulling
Perfect	V-ing perfect
I mayn't have dulled you mayn't have dulled he mayn't have dulled we mayn't have dulled you mayn't have dulled they mayn't have dulled	I mayn't have been dulling you mayn't have been dulling he mayn't have been dulling we mayn't have been dulling you mayn't have been dulling they mayn't have been dulling

Interrogative form

Simple form	V-ing form
may I dull? may you dull? may he dull? may we dull? may you dull? may they dull?	may I be dulling? may you be dulling? may he 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 he 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 he 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
mayn't I dull? mayn't you dull? mayn't he dull? mayn't we dull? mayn't you dull? mayn't they dull?	mayn't I be dulling? mayn't you be dulling? mayn't he be dulling? mayn't we be dulling? mayn't you be dulling? mayn't they be dulling?
Perfect	V-ing perfect
mayn't I have dulled? mayn't you have dulled? mayn't he have dulled? mayn't we have dulled? mayn't you have dulled? mayn't they have dulled?	mayn't I have been dulling? mayn't you have been dulling? mayn't he have been dulling? mayn't we have been dulling? mayn't you have been dulling? mayn't they have been dulling?