Irregular verbs part1

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Across
  1. 2. simple past of build
  2. 3. simple past of be
  3. 4. simple past of begin
  4. 5. simple past of bring
  5. 6. simple past of burst
Down
  1. 1. simple past of blow
  2. 2. simple past of become
  3. 4. simple past of break
  4. 5. simple past of buy