I may lighten you may lighten he may lighten we may lighten you may lighten they may lighten
V-ing form
I may be lightening you may be lightening he may be lightening we may be lightening you may be lightening they may be lightening
Perfect
I may have lightened you may have lightened he may have lightened we may have lightened you may have lightened they may have lightened
V-ing perfect
I may have been lightening you may have been lightening he may have been lightening we may have been lightening you may have been lightening they may have been lightening
Negation
Simple form
I may not lighten you may not lighten he may not lighten we may not lighten you may not lighten they may not lighten
V-ing form
I may not be lightening you may not be lightening he may not be lightening we may not be lightening you may not be lightening they may not be lightening
Perfect
I may not have lightened you may not have lightened he may not have lightened we may not have lightened you may not have lightened they may not have lightened
V-ing perfect
I may not have been lightening you may not have been lightening he may not have been lightening we may not have been lightening you may not have been lightening they may not have been lightening
Interrogative form
Simple form
may I lighten? may you lighten? may he lighten? may we lighten? may you lighten? may they lighten?
V-ing form
may I be lightening? may you be lightening? may he be lightening? may we be lightening? may you be lightening? may they be lightening?
Perfect
may I have lightened? may you have lightened? may he have lightened? may we have lightened? may you have lightened? may they have lightened?
V-ing perfect
may I have been lightening? may you have been lightening? may he have been lightening? may we have been lightening? may you have been lightening? may they have been lightening?
Interro-negative form
Simple form
may I not lighten? may you not lighten? may he not lighten? may we not lighten? may you not lighten? may they not lighten?
V-ing form
may I not be lightening? may you not be lightening? may he not be lightening? may we not be lightening? may you not be lightening? may they not be lightening?
Perfect
may I not have lightened? may you not have lightened? may he not have lightened? may we not have lightened? may you not have lightened? may they not have lightened?
V-ing perfect
may I not have been lightening? may you not have been lightening? may he not have been lightening? may we not have been lightening? may you not have been lightening? may they not have been lightening?