I may water you may water she may water we may water you may water they may water
V-ing form
I may be watering you may be watering she may be watering we may be watering you may be watering they may be watering
Perfect
I may have watered you may have watered she may have watered we may have watered you may have watered they may have watered
V-ing perfect
I may have been watering you may have been watering she may have been watering we may have been watering you may have been watering they may have been watering
Negation
Simple form
I may not water you may not water she may not water we may not water you may not water they may not water
V-ing form
I may not be watering you may not be watering she may not be watering we may not be watering you may not be watering they may not be watering
Perfect
I may not have watered you may not have watered she may not have watered we may not have watered you may not have watered they may not have watered
V-ing perfect
I may not have been watering you may not have been watering she may not have been watering we may not have been watering you may not have been watering they may not have been watering
Interrogative form
Simple form
may I water? may you water? may she water? may we water? may you water? may they water?
V-ing form
may I be watering? may you be watering? may she be watering? may we be watering? may you be watering? may they be watering?
Perfect
may I have watered? may you have watered? may she have watered? may we have watered? may you have watered? may they have watered?
V-ing perfect
may I have been watering? may you have been watering? may she have been watering? may we have been watering? may you have been watering? may they have been watering?
Interro-negative form
Simple form
may I not water? may you not water? may she not water? may we not water? may you not water? may they not water?
V-ing form
may I not be watering? may you not be watering? may she not be watering? may we not be watering? may you not be watering? may they not be watering?
Perfect
may I not have watered? may you not have watered? may she not have watered? may we not have watered? may you not have watered? may they not have watered?
V-ing perfect
may I not have been watering? may you not have been watering? may she not have been watering? may we not have been watering? may you not have been watering? may they not have been watering?