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5.
2 My dad has never tried Mexican food.
3 My best friend has never played chess.
4 My brother has never seen a dolphin.
5 My parents have never climbed a mountain.
6 My friends and I have never flown in a helicopter.
7 My grandmother has never used a computer.

6.
2 Have you ever won a prize? No, I haven't.
3 Have you ever been to another country? No, I haven't.
4 Have you met a famous person? Yes, I have.
5 Have your parents ever taken you a theme park? No, I haven't.
6 Has your mum ever ridden a horse? Yes, she has.
7 Has your best friend ever sent you a postcard from another country? Yes, he has.
8 Have you ever stayed in a hotel? Yes, I have.

7.
2 No, I haven't.
3 I have never heard....
4 Have you ever seen....?
5 Yes, I have
6 Have you ever visited.....?
7 No, I haven't
8 I have never downloaded.....