English verb conjugation
MAY MUFF

Regular verb: muff - muffed - muffed

Affirmation

Simple form	V-ing form
I may muff you may muff he may muff we may muff you may muff they may muff	I may be muffing you may be muffing he may be muffing we may be muffing you may be muffing they may be muffing
Perfect	V-ing perfect
I may have muffed you may have muffed he may have muffed we may have muffed you may have muffed they may have muffed	I may have been muffing you may have been muffing he may have been muffing we may have been muffing you may have been muffing they may have been muffing

Negation

Simple form	V-ing form
I mayn't muff you mayn't muff he mayn't muff we mayn't muff you mayn't muff they mayn't muff	I mayn't be muffing you mayn't be muffing he mayn't be muffing we mayn't be muffing you mayn't be muffing they mayn't be muffing
Perfect	V-ing perfect
I mayn't have muffed you mayn't have muffed he mayn't have muffed we mayn't have muffed you mayn't have muffed they mayn't have muffed	I mayn't have been muffing you mayn't have been muffing he mayn't have been muffing we mayn't have been muffing you mayn't have been muffing they mayn't have been muffing

Interrogative form

Simple form	V-ing form
may I muff? may you muff? may he muff? may we muff? may you muff? may they muff?	may I be muffing? may you be muffing? may he be muffing? may we be muffing? may you be muffing? may they be muffing?
Perfect	V-ing perfect
may I have muffed? may you have muffed? may he have muffed? may we have muffed? may you have muffed? may they have muffed?	may I have been muffing? may you have been muffing? may he have been muffing? may we have been muffing? may you have been muffing? may they have been muffing?

Interro-negative form

Simple form	V-ing form
mayn't I muff? mayn't you muff? mayn't he muff? mayn't we muff? mayn't you muff? mayn't they muff?	mayn't I be muffing? mayn't you be muffing? mayn't he be muffing? mayn't we be muffing? mayn't you be muffing? mayn't they be muffing?
Perfect	V-ing perfect
mayn't I have muffed? mayn't you have muffed? mayn't he have muffed? mayn't we have muffed? mayn't you have muffed? mayn't they have muffed?	mayn't I have been muffing? mayn't you have been muffing? mayn't he have been muffing? mayn't we have been muffing? mayn't you have been muffing? mayn't they have been muffing?