1. lost / has been

2. was seeping / waited

3. was

4. haven't lived

5. 

6. are preparing

7. stayed / rode

8. works

9. wrote

10. built

1.He lost his job last month and since then he has been out of work

2. I was seeping a car accident while I waited for you on this corner yesterday

3. Mr Jone have been principal of our school since last year

4. haven't lived

5. I will never forget what you have just told me

6. They are preparing the Christmas dinner at the moment

7. When I last stayed in Cairo, I rode to the Pyramids in a camel that my friend had borrowed the day before

8. George has been working at the university so far

9. I see that Tom wrote his composition

10. This í the house that Jack built 3 years ago