1. walk => walking
2. was => is
3. telling and listening => being told and listened
4. in a farm => on a farm
5. is => were/ was
6. was getting => got
7. a few => a little
8. wore => was worn
9. saw => has seen
10. by the TV => on the TV
11. since => for
12. can => could
13. although => because/ as/ since/ for
14. since => for
15. was opening => opened
16. be having => have
17. can go => could go
18. an enjoying day => an enjoyable day
19. five-speeds => five-speed
20. we => us
21. a few => a little
