Помогите срочно очень надо ))дам 20б))очень срочно номер 18

1swims ,come, swims 2 are , are , are skiing, have 3 was watching,was playing, came 4 is getting dark, 5 is speaking, is booking 6 received, was ringing 7 discussed 8 was playing 9 was going , saw 10 was reading 11 were having breakfast ,delivered 12 took part 13 are learning 14 will take 15 sat , was writing