Present Perfect

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Across
  1. 2. auxiliar for third person
  2. 4. transform in present perfect
  3. 5. transform in present perfect
  4. 7. present perfect auxiliar
  5. 8. termination of regular verbs
  6. 11. verb used in present perfect
Down
  1. 1. negative, third person
  2. 3. negative
  3. 5. transform in present perfect
  4. 6. contraction of negative form, third person
  5. 9. contraction of negative form
  6. 10. transform in present perfect