Past simple - keywords

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Across
  1. 3. verbs that use -ed in past simple
  2. 4. usually a doing word
  3. 6. one
Down
  1. 1. verbs that don't use -ed in past simple
  2. 2. more than one
  3. 5. usually a noun or pronoun that does the action and comes before the verb in a statement
  4. 7. a naming word