1. Jack has lost his key 2. Mary has gone to Canada. 3. The Smiths have been to Italy. 4. Mr Trenton has been a car salesman since 1999. 5.They have done their shopping.6.I have always wanted to travel abroad. 7. The schoolchildren have planted ten trees today. 8. Jerry has just talked to his friend. 9. She has been to New York twice this year. 10.Ed Prior has won a lot of medals.11.Lucy has had a cold for two days. 12.We have traveled by boat today. 13.Liz has studied very much this semester. 14.Fred has been sick a lot in the past few years.