I may stroke you may stroke he may stroke we may stroke you may stroke they may stroke
V-ing form
I may be stroking you may be stroking he may be stroking we may be stroking you may be stroking they may be stroking
Perfect
I may have stroked you may have stroked he may have stroked we may have stroked you may have stroked they may have stroked
V-ing perfect
I may have been stroking you may have been stroking he may have been stroking we may have been stroking you may have been stroking they may have been stroking
Negation
Simple form
I may not stroke you may not stroke he may not stroke we may not stroke you may not stroke they may not stroke
V-ing form
I may not be stroking you may not be stroking he may not be stroking we may not be stroking you may not be stroking they may not be stroking
Perfect
I may not have stroked you may not have stroked he may not have stroked we may not have stroked you may not have stroked they may not have stroked
V-ing perfect
I may not have been stroking you may not have been stroking he may not have been stroking we may not have been stroking you may not have been stroking they may not have been stroking
Interrogative form
Simple form
may I stroke? may you stroke? may he stroke? may we stroke? may you stroke? may they stroke?
V-ing form
may I be stroking? may you be stroking? may he be stroking? may we be stroking? may you be stroking? may they be stroking?
Perfect
may I have stroked? may you have stroked? may he have stroked? may we have stroked? may you have stroked? may they have stroked?
V-ing perfect
may I have been stroking? may you have been stroking? may he have been stroking? may we have been stroking? may you have been stroking? may they have been stroking?
Interro-negative form
Simple form
may I not stroke? may you not stroke? may he not stroke? may we not stroke? may you not stroke? may they not stroke?
V-ing form
may I not be stroking? may you not be stroking? may he not be stroking? may we not be stroking? may you not be stroking? may they not be stroking?
Perfect
may I not have stroked? may you not have stroked? may he not have stroked? may we not have stroked? may you not have stroked? may they not have stroked?
V-ing perfect
may I not have been stroking? may you not have been stroking? may he not have been stroking? may we not have been stroking? may you not have been stroking? may they not have been stroking?