Past participle - irregular verbs

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Across
  1. 4. present tense: learn
  2. 5. present tense: speak
  3. 6. present tense:wear
  4. 9. present tense: ride
  5. 11. present tense: forget
Down
  1. 1. present tense: fall
  2. 2. present tense: know
  3. 3. present tense: choose
  4. 7. present tense: write
  5. 8. present tense: sing
  6. 10. present tense:do
  7. 12. present tense:read