Q:

She said to me, " I'm going shopping. Can I get you something? " 

• 1
  She said she was going shopping and asked if she could get me something.
• 2
  She said she is going shopping and asked if she could get me something.
• 3
  She said she was going shopping and said to me if I wanted something.
• 4
  She said she was going shopping and asked if I wanted something.