English verb conjugation
MAY CALVE

Regular verb: calve - calved - calved

Affirmation

Simple form	V-ing form
I may calve you may calve he may calve we may calve you may calve they may calve	I may be calving you may be calving he may be calving we may be calving you may be calving they may be calving
Perfect	V-ing perfect
I may have calved you may have calved he may have calved we may have calved you may have calved they may have calved	I may have been calving you may have been calving he may have been calving we may have been calving you may have been calving they may have been calving

Negation

Simple form	V-ing form
I mayn't calve you mayn't calve he mayn't calve we mayn't calve you mayn't calve they mayn't calve	I mayn't be calving you mayn't be calving he mayn't be calving we mayn't be calving you mayn't be calving they mayn't be calving
Perfect	V-ing perfect
I mayn't have calved you mayn't have calved he mayn't have calved we mayn't have calved you mayn't have calved they mayn't have calved	I mayn't have been calving you mayn't have been calving he mayn't have been calving we mayn't have been calving you mayn't have been calving they mayn't have been calving

Interrogative form

Simple form	V-ing form
may I calve? may you calve? may he calve? may we calve? may you calve? may they calve?	may I be calving? may you be calving? may he be calving? may we be calving? may you be calving? may they be calving?
Perfect	V-ing perfect
may I have calved? may you have calved? may he have calved? may we have calved? may you have calved? may they have calved?	may I have been calving? may you have been calving? may he have been calving? may we have been calving? may you have been calving? may they have been calving?

Interro-negative form

Simple form	V-ing form
mayn't I calve? mayn't you calve? mayn't he calve? mayn't we calve? mayn't you calve? mayn't they calve?	mayn't I be calving? mayn't you be calving? mayn't he be calving? mayn't we be calving? mayn't you be calving? mayn't they be calving?
Perfect	V-ing perfect
mayn't I have calved? mayn't you have calved? mayn't he have calved? mayn't we have calved? mayn't you have calved? mayn't they have calved?	mayn't I have been calving? mayn't you have been calving? mayn't he have been calving? mayn't we have been calving? mayn't you have been calving? mayn't they have been calving?