Irregular verbs

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Across
  1. 3. Past of begin
  2. 6. past of have
  3. 8. past of sleep
  4. 9. past of go
Down
  1. 1. past of eat
  2. 2. past of know
  3. 3. past of buy
  4. 4. past of get
  5. 5. Past of go
  6. 7. Past of do