Пожалуйста решите номер 6 а и б

a

2 has chosen 3 am packing 4 am leaving 5 has booked 6 have been waiting 7 have finished 8 have borrowed 9 am becoming  

b

1 present perfect (has chosen) 2 present perfect continuous (have been waiting) 3 present continuous (am packing) 4 present continuous (am becoming) 5 present continuous (am leaving)