Q:

Vissu said, "We passed by a beautiful lake when we went on a trip to Goa."

• 1
  Vissu said that they passed by a beautiful lake when they had gone on a trip to Goa.
• 2
  Vissu said that they has passed by a beautiful lake when they went on a to Goa.
• 3
  Vissu said that they had passed by a beautiful lake when they had gone a trip to Goa
• 4
  Vissu said they passed by a beautiful lake when they went on a trip to Goa.