Ответ:

Объяснение:вот

1-3 Present Perfect. 4. Present Continuous, 5 Pr. Perfect, 6 Pr Perfect. 7 Present Perfect Continuous, 8 Pr. Continuous - Pr. Perfect, 9 Pr. Perfect, 10-11 Present Perfect Continuous, 12 Pr. Simple (?) - Pr. Perfect, 13 Pr. Perfect, 14 Pr. Perfect Cont. 15 Present Simple- Pr. Perfect, 16 Pr. Continuous - Pr. Perfect, 17 Pr. Continuous-Pr. Perfect Continuous, 18 Pr. Perfect Cont. 19 Pr. Perfect Cont, 20 Pr Perfect Continuous