English auxiliaries

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Across
  1. 1. It's the past form of HAVE, also used in perfect tenses.
  2. 3. Verbs in continuous tenses end with it.
  3. 6. It's the past form of ARE.
  4. 7. Used when working with actions.
Down
  1. 1. Used when speaking of perfect tenses and used to speak of previous experiences.
  2. 2. It's the past form of DO.
  3. 4. It's a type of conjugation that is used in continuous tenses (ing).
  4. 5. Used when working with descriptions and continuous tenses.
  5. 6. It's the past form of IS.