Помогите прошу!!! Очень надобно!!!

1. Its the first time I have ever eaten octopus! 
2. Sandy has not seen his sister since she went to university. 
3. They have gone on holiday to Spain and wont be back until the end of the month. 
4. Poor Tracy! She has been writing that essay for hours now and she still hasnt finished! 
5. Have you ever met anyone famous? 
6. I have been trying to get in touch with Jenny all morning, but I cant find her anywhere.
7. I have not finished the book yet so I cant tell you what happens. 
8. Have you already decided where youre going this summer? 
9. We have lived here for the last six years. 
10. I have never heard such nonsense!