Extra exercises

  1. https://agendaweb.org/exercises/verbs/past-simple/affirmative-negative-questions-3
     
  2. https://www.perfect-english-grammar.com/past-simple-exercise-7.html
     
  3. https://agendaweb.org/exercises/verbs/past-simple/affirmative-negative-questions-2
     
  4. https://www.montsemorales.com/gramatica/PastSimpAffRegSw2-4.htm