Переделайте предложения с прямой речью в косвенную, используя ask, tell, warn. Очень нужно! Буду благодарна!

The police officer told the witness that it was natural to feel nervous giving his/her evidence,to listen carefully to the questions and to answer clearly.The police officer warned the witness to tell the truth.Also,he warned not to discuss the case with other witnesses.He told the witness that he needed to look smart.He asked the witness to borrow a suit from somebody.