after (preposition); afterwards (adverb)

  • After is a preposition: it can be followed by a noun or an -ing form.
      We ate in a restaurant after the film.
      After seeing the film, we ate in a restaurant
  • After is not an adverb: we do not use it with the same meaning as afterwards, then or after that.
      We went to the cinema and afterwards (then/after that) we ate in a restaurant.

      (NOT : and after we ate in a restaurant.)