English verb conjugation
MAY EXCAVATE

Regular verb: excavate - excavated - excavated

Affirmation

Simple form	V-ing form
I may excavate you may excavate he may excavate we may excavate you may excavate they may excavate	I may be excavating you may be excavating he may be excavating we may be excavating you may be excavating they may be excavating
Perfect	V-ing perfect
I may have excavated you may have excavated he may have excavated we may have excavated you may have excavated they may have excavated	I may have been excavating you may have been excavating he may have been excavating we may have been excavating you may have been excavating they may have been excavating

Negation

Simple form	V-ing form
I may not excavate you may not excavate he may not excavate we may not excavate you may not excavate they may not excavate	I may not be excavating you may not be excavating he may not be excavating we may not be excavating you may not be excavating they may not be excavating
Perfect	V-ing perfect
I may not have excavated you may not have excavated he may not have excavated we may not have excavated you may not have excavated they may not have excavated	I may not have been excavating you may not have been excavating he may not have been excavating we may not have been excavating you may not have been excavating they may not have been excavating

Interrogative form

Simple form	V-ing form
may I excavate? may you excavate? may he excavate? may we excavate? may you excavate? may they excavate?	may I be excavating? may you be excavating? may he be excavating? may we be excavating? may you be excavating? may they be excavating?
Perfect	V-ing perfect
may I have excavated? may you have excavated? may he have excavated? may we have excavated? may you have excavated? may they have excavated?	may I have been excavating? may you have been excavating? may he have been excavating? may we have been excavating? may you have been excavating? may they have been excavating?

Interro-negative form

Simple form	V-ing form
may I not excavate? may you not excavate? may he not excavate? may we not excavate? may you not excavate? may they not excavate?	may I not be excavating? may you not be excavating? may he not be excavating? may we not be excavating? may you not be excavating? may they not be excavating?
Perfect	V-ing perfect
may I not have excavated? may you not have excavated? may he not have excavated? may we not have excavated? may you not have excavated? may they not have excavated?	may I not have been excavating? may you not have been excavating? may he not have been excavating? may we not have been excavating? may you not have been excavating? may they not have been excavating?