English verb conjugation
MAY FELL

Regular verb: fell - felled - felled

Affirmation

Simple form	V-ing form
I may fell you may fell he may fell we may fell you may fell they may fell	I may be felling you may be felling he may be felling we may be felling you may be felling they may be felling
Perfect	V-ing perfect
I may have felled you may have felled he may have felled we may have felled you may have felled they may have felled	I may have been felling you may have been felling he may have been felling we may have been felling you may have been felling they may have been felling

Negation

Simple form	V-ing form
I mayn't fell you mayn't fell he mayn't fell we mayn't fell you mayn't fell they mayn't fell	I mayn't be felling you mayn't be felling he mayn't be felling we mayn't be felling you mayn't be felling they mayn't be felling
Perfect	V-ing perfect
I mayn't have felled you mayn't have felled he mayn't have felled we mayn't have felled you mayn't have felled they mayn't have felled	I mayn't have been felling you mayn't have been felling he mayn't have been felling we mayn't have been felling you mayn't have been felling they mayn't have been felling

Interrogative form

Simple form	V-ing form
may I fell? may you fell? may he fell? may we fell? may you fell? may they fell?	may I be felling? may you be felling? may he be felling? may we be felling? may you be felling? may they be felling?
Perfect	V-ing perfect
may I have felled? may you have felled? may he have felled? may we have felled? may you have felled? may they have felled?	may I have been felling? may you have been felling? may he have been felling? may we have been felling? may you have been felling? may they have been felling?

Interro-negative form

Simple form	V-ing form
mayn't I fell? mayn't you fell? mayn't he fell? mayn't we fell? mayn't you fell? mayn't they fell?	mayn't I be felling? mayn't you be felling? mayn't he be felling? mayn't we be felling? mayn't you be felling? mayn't they be felling?
Perfect	V-ing perfect
mayn't I have felled? mayn't you have felled? mayn't he have felled? mayn't we have felled? mayn't you have felled? mayn't they have felled?	mayn't I have been felling? mayn't you have been felling? mayn't he have been felling? mayn't we have been felling? mayn't you have been felling? mayn't they have been felling?