English verb conjugation
MAY CLUMP

Regular verb: clump - clumped - clumped

Affirmation

Simple form	V-ing form
I may clump you may clump he may clump we may clump you may clump they may clump	I may be clumping you may be clumping he may be clumping we may be clumping you may be clumping they may be clumping
Perfect	V-ing perfect
I may have clumped you may have clumped he may have clumped we may have clumped you may have clumped they may have clumped	I may have been clumping you may have been clumping he may have been clumping we may have been clumping you may have been clumping they may have been clumping

Negation

Simple form	V-ing form
I mayn't clump you mayn't clump he mayn't clump we mayn't clump you mayn't clump they mayn't clump	I mayn't be clumping you mayn't be clumping he mayn't be clumping we mayn't be clumping you mayn't be clumping they mayn't be clumping
Perfect	V-ing perfect
I mayn't have clumped you mayn't have clumped he mayn't have clumped we mayn't have clumped you mayn't have clumped they mayn't have clumped	I mayn't have been clumping you mayn't have been clumping he mayn't have been clumping we mayn't have been clumping you mayn't have been clumping they mayn't have been clumping

Interrogative form

Simple form	V-ing form
may I clump? may you clump? may he clump? may we clump? may you clump? may they clump?	may I be clumping? may you be clumping? may he be clumping? may we be clumping? may you be clumping? may they be clumping?
Perfect	V-ing perfect
may I have clumped? may you have clumped? may he have clumped? may we have clumped? may you have clumped? may they have clumped?	may I have been clumping? may you have been clumping? may he have been clumping? may we have been clumping? may you have been clumping? may they have been clumping?

Interro-negative form

Simple form	V-ing form
mayn't I clump? mayn't you clump? mayn't he clump? mayn't we clump? mayn't you clump? mayn't they clump?	mayn't I be clumping? mayn't you be clumping? mayn't he be clumping? mayn't we be clumping? mayn't you be clumping? mayn't they be clumping?
Perfect	V-ing perfect
mayn't I have clumped? mayn't you have clumped? mayn't he have clumped? mayn't we have clumped? mayn't you have clumped? mayn't they have clumped?	mayn't I have been clumping? mayn't you have been clumping? mayn't he have been clumping? mayn't we have been clumping? mayn't you have been clumping? mayn't they have been clumping?