I may prevalue you may prevalue she may prevalue we may prevalue you may prevalue they may prevalue
V-ing form
I may be prevaluing you may be prevaluing she may be prevaluing we may be prevaluing you may be prevaluing they may be prevaluing
Perfect
I may have prevalued you may have prevalued she 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 she 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 she 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 she 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 she 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 she 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 she prevalue? may we prevalue? may you prevalue? may they prevalue?
V-ing form
may I be prevaluing? may you be prevaluing? may she be prevaluing? may we be prevaluing? may you be prevaluing? may they be prevaluing?
Perfect
may I have prevalued? may you have prevalued? may she 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 she 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 she 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 she 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 she 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 she not have been prevaluing? may we not have been prevaluing? may you not have been prevaluing? may they not have been prevaluing?