Question

change into indirect sentence my father said to me you must work hard​

Answer 1

Answer:

My father told me that I must work hard..

Hope it helps..

Answer 2

Answer:

Indirect Speech:My father said that " I had to work hard"

in the above sentence "Must"changes to "had to" as per grammar rules

You Can also keep it unchanged by keeping reporting verb in present tense

Indirect Speech:My father says that "I must work hard"