4: 1. began
2. brought
3.Did you pay
4. went
5. bought
6. did not walk
7. did you call
8. made
9. did not do
10. visited
11. went
12. Did you move
13. flew
14. spent
15. did you see
5: 1. came
2. has just broken
3. bought
4. arrived
5. have already cleaned
6. Did you visit
7. Did you buy
8. Have you ever seen
9. broke
10. have just met
11. lost
12. has already started
13. has not arrived yet
14. have never traveled
15. did not finish
