Past tense irregular verbs practice

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Across
  1. 3. do
  2. 4. write
  3. 5. come
  4. 6. give
  5. 7. eat
  6. 9. think
  7. 11. know
  8. 13. sing
Down
  1. 1. make
  2. 2. bring
  3. 4. are
  4. 8. take
  5. 10. has/have
  6. 12. is/am