Revision 1. A: Did you like the movie "Star Wars?" B: I don't know. I _________ (see, never) seen that movie. 2. Sam _________ (arrive) in San Diego a week ago. 3. My best friend and I _________ (know) each other for over fifteen years. We still get together once a week. 4. Stinson is a fantastic writer. He _________ (write) ten very creative short stories in the last year. One day, he'll be as famous as Hemingway. 5. I _________ (have, not) this much fun since I _________ (be) a kid. 6. Things _________ (change) a great deal at Coltech, Inc. When we first _________ (start) working here three years ago, the company _________ (have, only) six employees. Since then, we _________ (expand) to include more than 2000 full-time workers. 7. I _________ (tell) him to stay on the path while he was hiking, but he _______ (wander) off into the forest and _______ (be) bitten by a snake. 8. Listen Donna, I don't care if you _________ (miss) the bus this morning. You _________ (be late to work too many times. You are fired! 9. Sam is from Colorado, which is hundreds of miles from the coast, so he _________ (see, never) the ocean. He should come with us to Miami. 10. How sad! George _________ (dream) of going to California before he died, but he didn't make it. He _________ (see, never) the ocean. 11. In the last hundred years, travelling _________ (become) much easier and very comfortable. In the 19th century, it _________ (take) two or three months to cross North America by covered wagon. The trip _________ (be) very rough and often dangerous. Things _________ (change) a great deal in the last hundred and fifty years. Now you can fly from New York to Los Angeles in a matter of hours. 12. Jonny, I can't believe how much you ________ (change) since the last time I _________ (see) you. You ________ (grow) at least a foot! 13. This tree _________ (be) planted by the settlers who _________ (found) our city over four hundred years ago. 14. This mountain _________ (be, never) climbed by anyone. Several mountaineers _________ (try) to reach the top, but nobody _________ (succeed, ever). The climb is extremely difficult and many people _________ (die) trying to reach the summit. 15. I _________ (visit, never) Africa, but I _________ (travel) to South America several times. The last time I _________ (go) to South America, I _________ (visit) Brazil and Peru. I_________ (spend) two weeks in the Amazon, _________ (hike) for a week near Machu Picchu, and _________ (fly) over the Nazca Lines. 16. She _________ (be) in England for six months. 17. We ________ (live) in this house for five years and we're very happy here. 18. She ________ (study) very well at school. 19. ________ (you, ever, visit) Italy? 20. Thomas Edison ________ (invent) the light bulb. 21. How long ________ (have, you) this job? 22. I ________ ( smoke, never) a cigarette ever since. 23. Charlie Chaplin ________ (make) a lot of films. 24. When ________ (go, you, last) to the cinema? 25. It's the best car I________ (have, ever). 26. How many times ________ (be) married? 27. We ________ (not, have) lunch yet. 28. Since computers were first introduced to the public in the early 1980's, technology ________ (change) has changed a great deal. The first computers ________ (be) simple machines designed for basic tasks. They ________ (have, not) much memory and they ________ (be, not) very powerful. Early computers were often quite expensive and customers often ________ (pay) thousands of dollars for machines which actually ________ (do) very little. Most computers ________ (be) separate, individual machines used mostly as expensive typewriters or for playing games. Times ________ (change). Computers ________ (become) powerful machines with very practical applications. Programmers ________ (create) a large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today's games ________ (become) faster, more exciting interactive adventures. Many computer users ________ (get, also) on the Internet and ________ (begin) communicating with other computer users around the world. We ________ (start) to create international communities online. In short, the simple, individual machines of the past ________ (evolve) into an international World Wide Web of knowledge. 29. Peter ________ (play) football yesterday. 30. They ________ (clean) the car. It looks new again. 31. Last year we ________ (go) went to Italy. 32. John and Peggy ________ (read, just) the book. Now they can watch the film. 33. I ________ (meet) my friend two days ago. 34. We ________ (visit, never) another country before. 35. She ________ (buy) a new car in 2005. 36. I'm sorry, but I ________ (forgot) my homework. 37. It's obvious that you ________ (read, not) this report. 38. The girls ________ (eat, not) their lunch yet. 39. That's the best presentation I ________ (hear, ever). 1. A: Did you like the movie "Star Wars?" B: I don't know. I have never seen that movie. 2. Sam arrived in San Diego a week ago. 3. My best friend and I have known each other for over fifteen years. We still get together once a week. 4. Stinson is a fantastic writer. He has written ten very creative short stories in the last year. One day, he'll be as famous as Hemingway. 5. I haven't had this much fun since I was a kid. 6. Things have changed a great deal at Coltech, Inc. When we first started working here three years ago, the company only had six employees. Since then, we have expanded to include more than 2000 full-time workers. 7. I told him to stay on the path while he was hiking, but he wandered off into the forest and was bitten by a snake. 8. Listen Donna, I don't care if you) missed the bus this morning. You have been late to work too many times. You are fired! 9. Sam is from Colorado, which is hundreds of miles from the coast, so he has never seen the ocean. He should come with us to Miami. 10. How sad! George dreamt of going to California before he died, but he didn't make it. He never saw the ocean. 11. In the last hundred years, travelling has become much easier and very comfortable. In the 19th century, it took two or three months to cross North America by covered wagon. The trip was very rough and often dangerous. Things have changed a great deal in the last hundred and fifty years. Now you can fly from New York to Los Angeles in a matter of hours. 12. Jonny, I can't believe how much you have changed since the last time I saw you. You have grown at least a foot! 13. This tree was planted by the settlers who founded our city over four hundred years ago. 14. This mountain has never been climbed by anyone. Several mountaineers have tried to reach the top, but nobody has ever succeeded. The climb is extremely difficult and many people have died trying to reach the summit. 15. I have never visited Africa, but I have travelled to South America several times. The last time I went to South America, I visited Brazil and Peru. Ispent two weeks in the Amazon, hiked for a week near Machu Picchu, and flew over the Nazca Lines. 16. She has been in England for six months. 17. We have lived in this house for five years and we're very happy here. 18. She studied very well at school. 19. Have you ever visited Italy? 20. Thomas Edison invented the light bulb. 21. How long have you had this job? 22. I have never smoked a cigarette ever since. 23. Charlie Chaplin made a lot of films. 24. When did you last go to the cinema? 25. It's the best car I've ever had. 26. How many times have you been married? 27. We haven't had lunch yet. 28. Since computers were first introduced to the public in the early 1980's, technology has changed a great deal. The first computers were simple machines designed for basic tasks. They did not have much memory and they were not very powerful. Early computers were often quite expensive and customers often paid thousands of dollars for machines which actually did very little. Most computers were separate, individual machines used mostly as expensive typewriters or for playing games. Times have changed. Computers have become powerful machines with very practical applications. Programmers have created a large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today's games have become faster, more exciting interactive adventures. Many computer users have also got on the Internet and have begun communicating with other computer users around the world. We have started to create international communities online. In short, the simple, individual machines of the past have evolved into an international World Wide Web of knowledge. 29. Peter played football yesterday. 30. They have cleaned the car. It looks new again. 31. Last year we went to Italy. 32. John and Peggy have just read the book. Now they can watch the film. 33. I met my friend two days ago. 34. We have never visited another country before. 35. She bought a new car in 2005. 36. I'm sorry, but I have forgotten my homework. 37. It's obvious that you haven´t read this report. 38. The girls have not eaten their lunch yet. 39. That's the best presentation I've ever heard.