I may preformulate you may preformulate she may preformulate we may preformulate you may preformulate they may preformulate
V-ing form
I may be preformulating you may be preformulating she may be preformulating we may be preformulating you may be preformulating they may be preformulating
Perfect
I may have preformulated you may have preformulated she may have preformulated we may have preformulated you may have preformulated they may have preformulated
V-ing perfect
I may have been preformulating you may have been preformulating she may have been preformulating we may have been preformulating you may have been preformulating they may have been preformulating
Negation
Simple form
I may not preformulate you may not preformulate she may not preformulate we may not preformulate you may not preformulate they may not preformulate
V-ing form
I may not be preformulating you may not be preformulating she may not be preformulating we may not be preformulating you may not be preformulating they may not be preformulating
Perfect
I may not have preformulated you may not have preformulated she may not have preformulated we may not have preformulated you may not have preformulated they may not have preformulated
V-ing perfect
I may not have been preformulating you may not have been preformulating she may not have been preformulating we may not have been preformulating you may not have been preformulating they may not have been preformulating
Interrogative form
Simple form
may I preformulate? may you preformulate? may she preformulate? may we preformulate? may you preformulate? may they preformulate?
V-ing form
may I be preformulating? may you be preformulating? may she be preformulating? may we be preformulating? may you be preformulating? may they be preformulating?
Perfect
may I have preformulated? may you have preformulated? may she have preformulated? may we have preformulated? may you have preformulated? may they have preformulated?
V-ing perfect
may I have been preformulating? may you have been preformulating? may she have been preformulating? may we have been preformulating? may you have been preformulating? may they have been preformulating?
Interro-negative form
Simple form
may I not preformulate? may you not preformulate? may she not preformulate? may we not preformulate? may you not preformulate? may they not preformulate?
V-ing form
may I not be preformulating? may you not be preformulating? may she not be preformulating? may we not be preformulating? may you not be preformulating? may they not be preformulating?
Perfect
may I not have preformulated? may you not have preformulated? may she not have preformulated? may we not have preformulated? may you not have preformulated? may they not have preformulated?
V-ing perfect
may I not have been preformulating? may you not have been preformulating? may she not have been preformulating? may we not have been preformulating? may you not have been preformulating? may they not have been preformulating?