4/
1.have you eaten Japanese food?
2.have you parents climbed a mountain ?
3.have you tried parachuting?
4.has you team won the League ?
5.have you visited the USA?
6.have you swum in the Mediterranean?
5\
1.yes,i have eaten jananese food
2.no,my parents have never climbed a mountain
3.yes,i have tried parachuting
4.no,my team has never won the league
5.no,i have never visited the USA
6.no,i have never swum in the Mediterranean
6/
1.have you ever tried rock climbing ?
2.i have never had a serious accident
3.has you mum ever visited Britain?
4.we have never run a marathon
5.have you ever felt frightened?