Work in pairs. Ask and answer questions about your last summer as in the example. Example: swim in the lake - Did you swim in the lake? - Yes, I did./No, I didn't.

Here are some questions and answers based on the provided statements:

1. Sally / roller-skate
   • Did Sally roller-skate last summer?
   • Yes, she did. / No, she didn't.
2. Mr. Barker / play tennis in the park
   • Did Mr. Barker play tennis in the park last summer?
   • Yes, he did. / No, he didn't.
3. John / visit his cousins in Scotland
   • Did John visit his cousins in Scotland last summer?
   • Yes, he did. / No, he didn't.
4. The Barkers / enjoy their picnics
   • Did the Barkers enjoy their picnics last summer?
   • Yes, they did. / No, they didn't.
5. Margaret Barker / cook picnic food
   • Did Margaret Barker cook picnic food last summer?
   • Yes, she did. / No, she didn't.
6. Chase / walk in the park a lot
   • Did Chase walk in the park a lot last summer?
   • Yes, he did. / No, he didn't.