Verbs that indicate a manner of doing something

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Across
  1. 2. TO BE NECESSARY TO
  2. 5. WHAT WE CALL THIS TYPE OF VERBS
  3. 7. TO BE ABLE TO
Down
  1. 1. TO BE OBLIGED TO
  2. 3. TO BE SUPPOSED TO
  3. 4. TO INTEND TO
  4. 5. TO BE ALLOWED TO
  5. 6. USED TO SUGGEST IN A POLITE MANNER