Помогите с временами в английском !
1.are 2.are 3.is 4.has 5.is working 6.has taken 7.hasn't many 8.tries 9.are eating 10.are standing 11.waiting 12.are 13.are getting 14.have 15.prefers 16.is 17.will begin 18.will fly(is going to fly) 19.has already received 20.is planning 21.departs