Q:

I said to my friend, “Can I borrow your dictionary for one day?” 

• 1
  I asked my friend if I can borrow his dictionary for one day.
• 2
  I asked my friend that if I can borrow his dictionary for one day.
• 3
  I asked my friend if I could borrow his dictionary for one day.
• 4
  I asked my friend if I could borrow your dictionary for one day.