I may improvise you may improvise she may improvise we may improvise you may improvise they may improvise
V-ing form
I may be improvising you may be improvising she may be improvising we may be improvising you may be improvising they may be improvising
Perfect
I may have improvised you may have improvised she may have improvised we may have improvised you may have improvised they may have improvised
V-ing perfect
I may have been improvising you may have been improvising she may have been improvising we may have been improvising you may have been improvising they may have been improvising
Negation
Simple form
I may not improvise you may not improvise she may not improvise we may not improvise you may not improvise they may not improvise
V-ing form
I may not be improvising you may not be improvising she may not be improvising we may not be improvising you may not be improvising they may not be improvising
Perfect
I may not have improvised you may not have improvised she may not have improvised we may not have improvised you may not have improvised they may not have improvised
V-ing perfect
I may not have been improvising you may not have been improvising she may not have been improvising we may not have been improvising you may not have been improvising they may not have been improvising
Interrogative form
Simple form
may I improvise? may you improvise? may she improvise? may we improvise? may you improvise? may they improvise?
V-ing form
may I be improvising? may you be improvising? may she be improvising? may we be improvising? may you be improvising? may they be improvising?
Perfect
may I have improvised? may you have improvised? may she have improvised? may we have improvised? may you have improvised? may they have improvised?
V-ing perfect
may I have been improvising? may you have been improvising? may she have been improvising? may we have been improvising? may you have been improvising? may they have been improvising?
Interro-negative form
Simple form
may I not improvise? may you not improvise? may she not improvise? may we not improvise? may you not improvise? may they not improvise?
V-ing form
may I not be improvising? may you not be improvising? may she not be improvising? may we not be improvising? may you not be improvising? may they not be improvising?
Perfect
may I not have improvised? may you not have improvised? may she not have improvised? may we not have improvised? may you not have improvised? may they not have improvised?
V-ing perfect
may I not have been improvising? may you not have been improvising? may she not have been improvising? may we not have been improvising? may you not have been improvising? may they not have been improvising?