Select the correct indirect form: He said, 'I used to play football when I was young.'

1. ক
   He said that he used to play football when he was young.
   
2. খ
   He said that he had used to play football when he was young.
   
3. গ
   He said that he would use to play football when he was young.
   
4. ঘ
   He said that he had been playing football when he was young.