Нужно перевести предложения в косвенную речь , все не считая 12,13,14,15

She said that Dave worked very hard.
She said that she was going to buy a new car.
She said that she had visited her grandma.
She said that she had never spoken to Jane.
She said that Joe was in the hospital.
She said that her sister had had a baby.
She caid that she couldn't go to the party.
She said that they would meet the next day.
She asked where Mike was.
She asked me how old I was.
She asked me if I knew the answer.