1. Grammar in Context Unit 9

2. P 283 Ex 2 1. go - gone 2. see - seen 3. look - looked 4. study - studied 5. bring - brought 6. take - taken 7. say - said 8. be - been 9. find - found 10. leave - left

3. 11. live - lived 12. know - known 13. like - liked 14. fall – fallen 15. feel - felt 16. come - come 17. break - broken 18. wear - worn 19. choose - chosen 20. drive - driven

4. 21. write - written 22. put - put 23. begin - begun 24. want - wanted 25. get - gotten 26. fly - flown 27. sit - sat 28. drink - drunk 29. grow - grown 30. give - given

5. P 284 Ex 3 1. I’ve learned a lot about computers. 2. We’ve read the story about Google. 3. Larry’s known Sergey since they were at Stanford University. 4. They haven’t known each other since they were children. 5. It’s been easy for me to learn about computers. 6. You’ve used the Internet many times. 7. Larry and Sergey haven’t finished their degrees.

6. P 285 Ex 4 1. The teacher has already given a test on Lesson 8. The teacher has given a test on Lesson 8 already. 2. We have never heard of Page and Brin. 3. They have always been interested in search technology. 4. You have probably used Google. 5. Brin hasn’t even finished his degree. 6. Brin and Page have already become millionaires. Brin and Page have become millionaires already.

7. P 286 Ex 5 1. Which ones have you used? 2. Why haven’t they finished their degrees? 3. How much money have they made? 4. How long has Sergey been in the U.S.?

8. 5. How many people have they hired to work for Google? 6. How many times have you used the computer lab this semester? 7. Why have the memory and speed of computers increased? 8. How have computers become a part of our daily lives?

9. P 290 Ex 12 1. Have you always taught English? 2. Have you always worked at this college? 3. Have you always thought about grammar? 4. Has English always been easy for you? 5. Has your last name always been Whan-McCarthy? 6. Have you always been interested in languages? 7. Have you always lived in this city?

10. P 291 Ex 13 A: Have you been in the U.S. for long? B: No, I haven’t. A: How long have you been in the U.S.? B: I’ve been here for about a year. A: Where do you come from? B: Burundi. A: Burundi? I have never heard of it. Where is it? B: It’s a small country in Central Africa.

11. A: Do you have a map? Can you show me where it is? B: Let’s go on the Internet. We can do a search. A: Did you learn to use a computer in your country? B: No. When I came here, a volunteer at my church gave me her old computer. Before, I didn’t know anything about computers. I’ve learned a lot about computers since I came here. A: Oh, now I see Burundi. It’s very small. It’s near Congo. B: Yes, it is.

12. A: Why did you come to the U.S.? B: My country has had political problems for many years. It wasn’t safe to live there. My family left in 1995. A: So, you’ve been here since 1995? B: No. First, we lived in a refugee camp in Zambia. A: I have never heard of Zambia either. Can we search for it on the Internet? B: Here it is.

13. A: You speak English very well. Is English the language of Burundi? B: No. Kirundi is the official language. Also French. I’ve spoken French since I was a small child. Where are you from? A: I’m from North Dakota. B: I’ve never heard of North Dakota. Is it in the U.S.? A: Yes, it is. Let’s search for an American map on the Internet. Here it is. Winter in North Dakota is very cold. It’s cold here too.

14. B: I don’t know how people live in a cold climate. I have never lived in a cold climate before. I’ve always lived near the Equator. A: Don’t worry. You’ll be ok. You just need warm clothes for the winter. B: I have a class now. I’ve got to go. A: I’ve learned so much about your country in such a short time. B: It’s easy to learn things fast using a computer and a search engine.

15. P 292/293 Ex 14 A: Do you like to surf the Internet? B: Of course, I do. I’ve had my Internet connection since 1999, and I love it. A couple of months ago, I bought a new computer with lots of memory and speed. And last month I changed to a better provider. Now I can surf much faster. A: What kind of things do you search for? B: Lots of things. I’ve always wanted to learn about the stock market, and with the Web, I can start to learn. Last week, I made my first investment in the stock market.

16. A: Do you ever buy products online? B: Sometimes I do. Last month, I found a great Website where I can download music for 99c. So far I’ve downloaded about a hundred songs, and I’ve made several CDs. My old computer didn’t have a CD burner, so I’m very happy with my new one. A: Did you sell your old computer? B: No. It was about eight years old. I just removed the hard drive and left the computer on top of the garbage dumpster. When I passed by a few hours later, it was gone. Someone took/had taken it.

17. A: Was your new computer expensive? B: Yes, but I got a good deal online. A: I’ve had my computer for three years, and it seems so old by comparison to today’s computers. But it’s too expensive to buy a new one every year. B: There’s a joke about computers: When is a computer old? A: I don’t know. When? B: As soon as you get it out of the box!

18. P 296 Ex 15 1. Interest in genealogy has been growing. 2. Cyndi has been working on her family history since 1992. 3. Cyndi has been lecturing all over the U.S. to genealogy groups. 4. The number of genealogy Web sites has been increasing. 5. How long has the U.S. Census been keeping records? 6. Have you been working on a family tree for your family? 7. People have been using the Internet to do family research since the 1990s. 8. My family hasn’t been living in the U.S. for many generations.

19. P 299 Ex 19 1. A: Are you working on your family history? B: Yes, I am. A: How long have you been working on your family history? B: I have been working on it for about ten years. 2. A: Is your sister surfing the Internet? B: Yes, she is. A: How long has she been surfing the Internet? B: Since she woke up this morning!

20. 3. A: Does your father live in the U.S.? B: Yes, he does. A: How long has he been living in the U.S.? B: He has been living in the U.S. since he was 25 years old. 4. A: Are you studying for the test now? B: Yes, I am. A: How long have you been studying for the test? B: For three hours.

21. 5. A: Is your teacher teaching you the present perfect lesson? B: Yes, he has. A: How long has he been teaching you this lesson? B: Since last week. 6. A: Are the students using the computers right now? B: Yes, they are. A: How long have they been using them? B: Since they started to write their compositions.

22. 7. A: Are you using the Internet? B: Yes, I am. A: How long have you been using it? B: I have been using it for two hours. 8. A: Do your grandparents live in the U.S.? B: Yes, they do. A: How long have they been living in the U.S.? B: Since they were born.

23. 9. A: Is she studying her family history? B: Yes, she is. A: How long has she been studying her family history? B: Since she was 25 years old.

24. P 303 Ex 21 1. How many letters have you written this month? 2. How many times have you eaten in a restaurant this month? 3. How many times have you gotten paid this month? 4. How many international calls have you made this month? 5. How many books have you bought this month? 6. How many times have you gone to the movies this month? 7. How many movies have you rented this month? 8. How many times have you cooked this month?

25. P 309 Ex 30 A: Your Spanish is a little different from my Spanish. Where are you from? B: I’m from Guatemala. A: How long have you been here? B: I have only been here for about six months. Where are you from? A: Miami. My family comes from Cuba. They left Cuba in 1962, after the revolution. I was born in the U.S. I’m starting to become interested in my family’s history. I have read several magazine articles about genealogy so far. It’s fascinating. Are you interested in your family’s history?

26. B: Of course I am. I have been interested in it for a long time. I have been working on a family tree for many years. A: When did you start? B: I started when I was 16 years old. Over the years, I have found a lot of interesting information about my family. Some of my ancestors were Mayans and some were from Spain and France. In fact, my great grandfather was a Spanish prince. A: How did you find all that information?

27. B: I used the Internet a lot. I have also gone to many libraries to get more information. A: Have you ever been to Spain or France to look at records there? B: Last summer, I went to Spain, and I found a lot of information while I was there. A: How many ancestors have you found so far? B: So far, I have found about 50, but I’m still looking. A: How can I get started? B: There’s a great Website called Cyndi’s List. I’ll give you the Web address, and you can get started there.