exercice d'anglais , pouvez-vous m'aider s'il vous plait ?

Sujet du devoir

bonjour j'ai du mal à faire cet exercice:

In a small village , a new policeman had to take a thief to prison in the city. he had to take him by train so the thief ant the policeman set along the road to the railway station. on their way they came to a baker's. the thief said that they had no food to eat in the train and he wanted to buy some bread. he told the policeman to wait outside the shop while he was getting some bread. the policeman was glad. he thought it was a good idea and said : " be quick! we haven't much time!". the thief went into the shop and the policeman waited in the street for a long time. but then he began to think about the train and at last he went into the shop.

- "where's the man who came in here to buy some bread?"
- "oh! he went out of the back door" said the baker.

Voici les questions :
Questions

1- quelle modalite indique la forme verbale " had to" dans la premiere et la deuxieme phrase ?

2- les deux " thought" et "said" ont un point commun. lequel?

3- repere dans le texte une phrase au style indirect.

4- réponds en anglais a la question suivante : whaat do you think of the characters of the story? justify.

Où j'en suis dans mon devoir

je ne suis pas sûr de ce que j'avance :

1-Je n'ai pas trouvé de réponse(s).
2-Les deux verbes thought et said sont irréguliers,tel et le point commun.
3-Je n'ai pas trouvé de réponse(s)...