1. Berik said that he was wearing trainers that day. (Замена 'this day' на 'that day' при переходе в косвенную речь.)
2. She said that she would come the next day. (Замена 'I'll come tomorrow' на 'she would come the next day'. 'Will' меняется на 'would', 'tomorrow' на 'the next day'.)
3. She says that Ulan is happy. (Настоящее время в прямой речи остается настоящим, так как глагол 'says' в настоящем времени.)
4. They said that they were going to a fashion show the following week. (Замена 'We're going to a fashion show next week' на 'they were going to a fashion show the following week'. 'Are going' меняется на 'were going', 'next week' на 'the following week'.)
5. Dana said that she couldn't do it then. (Замена 'I can't do it now' на 'she couldn't do it then'. 'Can't' меняется на 'couldn't', 'now' на 'then'.)
Ответ:
1. Berik said that he was wearing trainers that day.
2. She said that she would come the next day.
3. She says that Ulan is happy.
4. They said that they were going to a fashion show the following week.