Англійська мова 6 клас. Тема: модальні дієслова. Наve to. Допоможіть хто розбирається

Do you have to tidy your bedroom?
- Yes, I do. It's a mess.

Did he wash the car?
- He washed it yesterday.

Did they phone their cousins?
- Yes, they phoned them this morning.

Has she cleaned the floor?
- No, she hasn't cleaned it yet.

Are we going to school today?
- No, it's the school holidays.

Are you going to buy Tom a present?
- Yes, his birthday is tomorrow.