6. I said, "He has been reading a novel." 7. The teacher said to me, "He had been writing a book." 8. My friend said to me, "I had been playing hockey at that time." 9. Mohan said, "I had been solving a sum." 10. Sushma said, "I had been busy cooking." Exercise (3): Change the following sentences in present perfect and past perfect tense indirect form of speech: