16. They began using that car five months ago That car has been used 17. It’s four weeks since we last visited our old school . We have NOT 20. No one has seen Tony since his 40th birthday . The last time tony was seen was on his 40th birthday . 21. They began using this machine in 2012. This machine 22. They haven’t fed their monkey for two days. They last 23. My uncle stopped drinking alcohol when he got married . My uncle has 24. I haven’t eaten this kind of food before . This is 25. How long has she been listening to classical music ? How long ago 26. It is two years since I last went to the university . I have 27. Jason has played the piano for ten years. Jason began 28. I last saw him two weeks ago. It’s 29.They haven’t played football for five years. The last time 30.Jack hasn’t seen his sister since she left for Japan. Jack last