1. (Здесь) подставляете слово в первой части предложения (сказал, попросил, ответил и пр)
2. Меняете во второй части предложения прямые местоимения на непрямые (I на me, he на him). Как в русском языке (он - его и пр)
3. Меняете время во второй части предложения на одно назад, т. е. Present Ind на Past Ind, Past Perf на Pr/Past Perf
1) A doctor asked Nick not to smoke
2) A policeman asked stranger to show him his documents
3) Robert said Ben he was not fond of music
4) Alison told Nancy she didn't play chess
5) Children asked a teacher in the kindergarden to tell them a fairy tale
6) Tom said granny that he had seen funny animals in the Zoo
7) A teacher reminded pupils not to forget to correct the mistakes
8) Jack said Bob they were busy and they would not go to the stadium
9) Mom said daughter she wanted to help her and asked not to marry
10) Sara told Ben that teachers of her college gave her good knowledges
11) Nora said Ann that her granny was knitting her a jacket
12) Dad asked son to cut his hair
13) Teacher asked pupils to clean the board
14) Teacher informed (told) pupils they would go for sightseeing soon