Complex sentence: In April 2009, MGM confirmed a third "SG-1" film that Brad Wright had first announced in May 2008.da Tapping confirmed her appearance in the third SG-1 film and the first "Atlantis" movie.
Split into simpler sentences: In April 2009, MGM confirmed a third "SG-1" film that Brad Wright had first announced in May 2008. Amanda Tapping confirmed her appearance in the third SG-1 film and the first "Atlantis" movie.