Ex.1
1. Have you ever seen a tiger at the zoo?
Yes, I have. / No, I haven't.
2. Has your teacher ever given you a lot of homework?
Yes, he/ she has. / No, he/ she hasn't.
3. Have you ever had a barbecue on the beach?
Yes, I have. / No, I haven't.
4. Has your friend ever played a video game at your house?
Yes, he/ she has. / No, he/ she hasn't.
5. Have you ever lost something expensive?
Yes, I have. / No, I haven't.
