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 may not calve you may not calve he may not calve we may not calve you may not calve they may not calve	I may not be calving you may not be calving he may not be calving we may not be calving you may not be calving they may not be calving
Perfect	V-ing perfect
I may not have calved you may not have calved he may not have calved we may not have calved you may not have calved they may not have calved	I may not have been calving you may not have been calving he may not have been calving we may not have been calving you may not have been calving they may not 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
may I not calve? may you not calve? may he not calve? may we not calve? may you not calve? may they not calve?	may I not be calving? may you not be calving? may he not be calving? may we not be calving? may you not be calving? may they not be calving?
Perfect	V-ing perfect
may I not have calved? may you not have calved? may he not have calved? may we not have calved? may you not have calved? may they not have calved?	may I not have been calving? may you not have been calving? may he not have been calving? may we not have been calving? may you not have been calving? may they not have been calving?