Косвенная речь. 1) the teacher said to the pupils " take care not to fall behind". 2) " you look beautiful today" said mother. 3) " when did you see paul" asks mr. lewis. 4) nelly asked vicky " did you read this book? ".

1) The teacher advised the pupils to take care in order not to fall behind.
2) My mother complimented me on my looks that day.
3) Mr. Lewis asked them when they had seen Paul.
4) Nelly asked Vicky if she had read that book.