Ответ:

III. Question Tags:

  1. John didn't collect the cans and newspapers, did he? (Negative statement, positive tag with the auxiliary verb 'did' from the past simple.)
  2. You like planting flowers, don't you? (Positive statement, negative tag with the auxiliary verb 'do' from the present simple.)
  3. Penguins are amazing animals, aren't they? (Positive statement, negative tag with the verb 'are' from the present simple.)
  4. She has made her one-off donation, hasn't she? (Positive statement with 'has' as an auxiliary verb, negative tag.)
  5. He built a nesting box, didn't he? (Positive statement in the past simple, negative tag with the auxiliary verb 'did'.)