I may prevalue you may prevalue he may prevalue we may prevalue you may prevalue they may prevalue
V-ing form
I may be prevaluing you may be prevaluing he may be prevaluing we may be prevaluing you may be prevaluing they may be prevaluing
Perfect
I may have prevalued you may have prevalued he may have prevalued we may have prevalued you may have prevalued they may have prevalued
V-ing perfect
I may have been prevaluing you may have been prevaluing he may have been prevaluing we may have been prevaluing you may have been prevaluing they may have been prevaluing
Negation
Simple form
I may not prevalue you may not prevalue he may not prevalue we may not prevalue you may not prevalue they may not prevalue
V-ing form
I may not be prevaluing you may not be prevaluing he may not be prevaluing we may not be prevaluing you may not be prevaluing they may not be prevaluing
Perfect
I may not have prevalued you may not have prevalued he may not have prevalued we may not have prevalued you may not have prevalued they may not have prevalued
V-ing perfect
I may not have been prevaluing you may not have been prevaluing he may not have been prevaluing we may not have been prevaluing you may not have been prevaluing they may not have been prevaluing
Interrogative form
Simple form
may I prevalue? may you prevalue? may he prevalue? may we prevalue? may you prevalue? may they prevalue?
V-ing form
may I be prevaluing? may you be prevaluing? may he be prevaluing? may we be prevaluing? may you be prevaluing? may they be prevaluing?
Perfect
may I have prevalued? may you have prevalued? may he have prevalued? may we have prevalued? may you have prevalued? may they have prevalued?
V-ing perfect
may I have been prevaluing? may you have been prevaluing? may he have been prevaluing? may we have been prevaluing? may you have been prevaluing? may they have been prevaluing?
Interro-negative form
Simple form
may I not prevalue? may you not prevalue? may he not prevalue? may we not prevalue? may you not prevalue? may they not prevalue?
V-ing form
may I not be prevaluing? may you not be prevaluing? may he not be prevaluing? may we not be prevaluing? may you not be prevaluing? may they not be prevaluing?
Perfect
may I not have prevalued? may you not have prevalued? may he not have prevalued? may we not have prevalued? may you not have prevalued? may they not have prevalued?
V-ing perfect
may I not have been prevaluing? may you not have been prevaluing? may he not have been prevaluing? may we not have been prevaluing? may you not have been prevaluing? may they not have been prevaluing?