Теория:

Study some information about questions (general and special) in Past Continuous.
 
Для образования Past Continuous необходимо использовать вспомогательный глагол to be (варианты was, were) и основной глагол, к которому мы добавляем окончание -ing.
  
Для построения вопросительных предложений нужно использовать следующий порядок слов.
 
General question
To be (Was/Were) \(+\) subject \(+\) Ving \(+\) other parts of the sentence?
Was используем для первого и третьего лица единственного числа (I, he, she, it).
 
Were — в остальных случаях.
 
                               Was
       
 
I studying?    
                        
Were
     
you studying?
                                                         
  
Was
 
 
he, she, it  studying?
  
 
Were
 
we studying?
 
Were
 
you studying?
 
Were
 
they studying?
 
Special question
Question word (when, why, how, what...) \(+\) to be (was/were) \(+\) subject \(+\) Ving \(+\) other parts of the sentence?
  
Examples
 
What book was she reading the whole evening?
 
Were they talking on the phone from \(4\) to \(5\) pm yesterday?
  
phone.jpg
Источники:
https://www.themodernman.com/blog/what-to-talk-about-with-women-on-the-phone.html