Теория:

Study some information about negative sentences and questions with 'will have to'.
 
Для построения отрицательного предложения в будущем времени с модальным глаголом 'will have to' необходимо использовать следующую структуру предложения:
subject \(+\) will not (won't) have to \(+\) Verb in the \(1\)st form (without 'to') \(+\) other parts of the sentence.
I will not (won't) have to travel abroad next time.
  
Для построения вопросительных предложений необходимо знать следующий порядок слов.
  
General question
Will \(+\) subject \(+\) have to \(+\) Verb in the \(1\)st form (without 'to') \(+\) other parts of the sentence?
Will Mary have to study French for work?
  
French.jpg
  
Special question
Question word (when, how, what...) \(+\) will \(+\) subject \(+\) have to \(+\) Verb in the \(1\)st form (without 'to') \(+\) other parts of the sentence?
 What will he have to buy for the party?
  
party.jpg
  
When will Steve have to start his work?
Источники:
https://www.brainscape.com/blog/2015/06/best-french-apps-for-learning-french/
https://yourstory.com/2015/07/party-hunterz/