1. A: Did you like the movie "Star Wars?"
B: I don't know. I (see, never) have never seen that movie.

2. Sam (arrive) arrived in San Diego a week ago.

3. My best friend and I (know) have known each other for over fifteen years. We still get together once a week.

4. Stinson is a fantastic writer. He (write) has written ten very creative short stories in the last year. One day, he'll be as famous as Hemingway.

5. I (have, not) have not had this much fun since I (be) was a kid.

6. Things (change) have changed a great deal at Coltech, Inc. When we first (start) started working here three years ago, the company (have, only) six employees. Since then, we (expand) have expanded to include more than 2000 full-time workers.

7. I (tell) told him to stay on the path while he was hiking, but he (wander) wandered off into the forest and (be) was bitten by a snake.

8. Listen Donna, I don't care if you (miss) missed the bus this morning. You (be) 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 (see, never) has never seen the ocean. He should come with us to Miami.

10. How sad! George (dream) dreamed of going to California before he died, but he didn't make it. He (see, never) the ocean.

11. In the last hundred years, traveling (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.