I may preformulate you may preformulate he may preformulate we may preformulate you may preformulate they may preformulate
V-ing form
I may be preformulating you may be preformulating he may be preformulating we may be preformulating you may be preformulating they may be preformulating
Perfect
I may have preformulated you may have preformulated he 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 he 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 he 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 he 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 he 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 he 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 he preformulate? may we preformulate? may you preformulate? may they preformulate?
V-ing form
may I be preformulating? may you be preformulating? may he be preformulating? may we be preformulating? may you be preformulating? may they be preformulating?
Perfect
may I have preformulated? may you have preformulated? may he 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 he 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 he 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 he 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 he 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 he not have been preformulating? may we not have been preformulating? may you not have been preformulating? may they not have been preformulating?