Помогите 8,9,10 упражнением

ex8 have you ever got lost 2Наve you forgot your words? 3.Have you ever climbed Mount Everest? 4.Have you ever falloff your ladder?5.Have you ever had a number one record? 6.Have you ever had an electric shock? ex9. 1.for 2.since 3.since 4.for 5.since 6.for ex10. 1.right - означает верно 2.Had you.... 3.right 4.right 5right 6.had graduated.. 7.right 8.died 9.right 10.had not seen 11.was