Bonjour,
Réponse :
1 you / go / school / on Saturdays?
→ Do you go to school on Saturdays? Yes, I do. No, I don't.
2 your mum / get home / at 4 p.m. / every day?
→ Does your mum get home at 4 p.m every day?
Yes, she does // No, she doesn't.
3 they / walk to school / on Tuesdays?
→ Do they walk to school on Tuesdays?
Yes, they do. // No, they don't.
4 he / start school / at 8.45?
→ Does he start school at 8.45?
Yes, he does. // No, he doesn't.
5 you / have / breakfast / every day?
→ Do you have breakfast every day?
Yes, I do. // No, I don't.
Explications :
Do/Does + sujet + base verbale ...?