English verb conjugation
MAY LICHEN

Regular verb: lichen - lichened - lichened

Affirmation

Simple form	V-ing form
I may lichen you may lichen he may lichen we may lichen you may lichen they may lichen	I may be lichening you may be lichening he may be lichening we may be lichening you may be lichening they may be lichening
Perfect	V-ing perfect
I may have lichened you may have lichened he may have lichened we may have lichened you may have lichened they may have lichened	I may have been lichening you may have been lichening he may have been lichening we may have been lichening you may have been lichening they may have been lichening

Negation

Simple form	V-ing form
I may not lichen you may not lichen he may not lichen we may not lichen you may not lichen they may not lichen	I may not be lichening you may not be lichening he may not be lichening we may not be lichening you may not be lichening they may not be lichening
Perfect	V-ing perfect
I may not have lichened you may not have lichened he may not have lichened we may not have lichened you may not have lichened they may not have lichened	I may not have been lichening you may not have been lichening he may not have been lichening we may not have been lichening you may not have been lichening they may not have been lichening

Interrogative form

Simple form	V-ing form
may I lichen? may you lichen? may he lichen? may we lichen? may you lichen? may they lichen?	may I be lichening? may you be lichening? may he be lichening? may we be lichening? may you be lichening? may they be lichening?
Perfect	V-ing perfect
may I have lichened? may you have lichened? may he have lichened? may we have lichened? may you have lichened? may they have lichened?	may I have been lichening? may you have been lichening? may he have been lichening? may we have been lichening? may you have been lichening? may they have been lichening?

Interro-negative form

Simple form	V-ing form
may I not lichen? may you not lichen? may he not lichen? may we not lichen? may you not lichen? may they not lichen?	may I not be lichening? may you not be lichening? may he not be lichening? may we not be lichening? may you not be lichening? may they not be lichening?
Perfect	V-ing perfect
may I not have lichened? may you not have lichened? may he not have lichened? may we not have lichened? may you not have lichened? may they not have lichened?	may I not have been lichening? may you not have been lichening? may he not have been lichening? may we not have been lichening? may you not have been lichening? may they not have been lichening?