bonjour pouvez-vous m’aider a faire cet exercice svp merci d’avance

a- They didn’t like visiting haunted castles.
b- Was he looking for the culprit ?
c- Did the détective find some clues ?
d- The blackmailer wasn’t sending letters to everyone.
e- Miss Marple didn’t do her duty.
f- Did Agatha Raisin hold the suspect ?