2. The boys were at the gym last Friday. The boys weren't at the gym last Friday.

В данном задании необходимо написать отрицательное предложение на основе утвердительного.

1. The boys were at the gym last Friday.
   The boys weren't at the gym last Friday.

Проанализируем предложение:

The boys weren't at the gym last Friday.

1. 
   

   Подлежащее: The boys.

   
   


2. 
   

   Сказуемое: weren't.

   
   


3. 
   

   Обстоятельство места: at the gym.

   
   


4. 
   

   Обстоятельство времени: last Friday.

   
   

Перевод: Мальчики не были в спортзале в прошлую пятницу.

Ответ: The boys weren't at the gym last Friday.