infinitive helper verbs

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Across
  1. 1. I ought to help
  2. 5. don't flee
  3. 6. they are able to flee
  4. 8. he is able to flee
  5. 9. you all ought to work
  6. 10. you ought to capture
Down
  1. 2. we ought to attack
  2. 3. I am able to work
  3. 4. he doesn't wish to fight
  4. 7. don't fight