Irregular Verbs

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Across
  1. 2. Feel sure (infinitive)
  2. 3. To start to happen (past)
  3. 4. To cause something to separate suddenly (past)
  4. 5. Tie or fasten something tightly (participle)
  5. 6. Mate and then produce offspring (past)
Down
  1. 1. Use the teeth to cut into or through something (participle)
  2. 2. To cause to curve (participle)
  3. 3. Move creating an air current
  4. 4. Offer a certain price for something, especially at an auction (participle)
  5. 5. Lose blood from the body as a result of injury or illness (past)