Q:

I said to my father, "I want to build a raft which can hold four people ."

• 1
  I told my father that that I am wanting to build a raft which could hold four people.
• 2
  I told my father that I wanted to build a raft which could hold four people.
• 3
  I told my father that I am wanting to build a raft which could hold four people.
• 4
  I told my father that that I wanted to build a raft which could hold four people.