I may preannounce you may preannounce he may preannounce we may preannounce you may preannounce they may preannounce
V-ing form
I may be preannouncing you may be preannouncing he may be preannouncing we may be preannouncing you may be preannouncing they may be preannouncing
Perfect
I may have preannounced you may have preannounced he may have preannounced we may have preannounced you may have preannounced they may have preannounced
V-ing perfect
I may have been preannouncing you may have been preannouncing he may have been preannouncing we may have been preannouncing you may have been preannouncing they may have been preannouncing
Negation
Simple form
I may not preannounce you may not preannounce he may not preannounce we may not preannounce you may not preannounce they may not preannounce
V-ing form
I may not be preannouncing you may not be preannouncing he may not be preannouncing we may not be preannouncing you may not be preannouncing they may not be preannouncing
Perfect
I may not have preannounced you may not have preannounced he may not have preannounced we may not have preannounced you may not have preannounced they may not have preannounced
V-ing perfect
I may not have been preannouncing you may not have been preannouncing he may not have been preannouncing we may not have been preannouncing you may not have been preannouncing they may not have been preannouncing
Interrogative form
Simple form
may I preannounce? may you preannounce? may he preannounce? may we preannounce? may you preannounce? may they preannounce?
V-ing form
may I be preannouncing? may you be preannouncing? may he be preannouncing? may we be preannouncing? may you be preannouncing? may they be preannouncing?
Perfect
may I have preannounced? may you have preannounced? may he have preannounced? may we have preannounced? may you have preannounced? may they have preannounced?
V-ing perfect
may I have been preannouncing? may you have been preannouncing? may he have been preannouncing? may we have been preannouncing? may you have been preannouncing? may they have been preannouncing?
Interro-negative form
Simple form
may I not preannounce? may you not preannounce? may he not preannounce? may we not preannounce? may you not preannounce? may they not preannounce?
V-ing form
may I not be preannouncing? may you not be preannouncing? may he not be preannouncing? may we not be preannouncing? may you not be preannouncing? may they not be preannouncing?
Perfect
may I not have preannounced? may you not have preannounced? may he not have preannounced? may we not have preannounced? may you not have preannounced? may they not have preannounced?
V-ing perfect
may I not have been preannouncing? may you not have been preannouncing? may he not have been preannouncing? may we not have been preannouncing? may you not have been preannouncing? may they not have been preannouncing?