2. On Tuesday I have to help my sister with her lessons, but I don't have to wash the dishes.

3. On Wednesday I have to do shopping, but I don't have to sweep the yard.

4. On Thuesday I have to help my mother in the kitcen, but I don't have to learn the rhymes.

5. On Friday I have to arrange a party, but I don't have to visit my aunt.

6. On Saturday I have to greet  my sister, but I don't have to write a letter.

7. On Sunday I have to go to the skating-rink, but  I don't have to walk my dog.