1. Chapter1

2. Exercise 10,p5
Complete the sentences with your own words. 1. I’m in class right now. I arrived in class today and sat down at ____(time). Right now the time is ____. That means that I have been sitting in this seat for ___ minutes. 2. I had been sitting here for ____minutes before class started. 3. By the time class finishes at ___ , I will have been sitting here for ____ minutes.

3. Exercise 11,p6 2. Tom is at his desk. He ____ right now.
Complete the sentences with a form of study and any words in parentheses
2. Tom is at his desk. He ____ right now.
3. Tom had some homework to do, so he ______ last night.
4. Tom began studying at 7:00 last night. His friends came over around 7:30. Tom was still at his desk when they arrived. In other words, Tom ____last night when his friends came over.
2. is studying studied was studying

4. Cont.…ex. 11 5. Tom ________ tomorrow.
6. Tom is going to begin studying at 7:00 tomorrow. His friends are going to come over at 7:30. Tom _____when they arrive.
7. Tom is studying Chapter 2. He (already) ______ Chapter 1.
5. will study / is going to study 6. will be studying / is going to be studying 7. has already studied

5. Cont.…ex. 11
8. Last week Tom finished studying Chapter 1. This week he’s studying Chapter 2. He (already) ____Chapter 1 when he started Chapter Next week Tom will finish Chapters 4 and 5. Before Tom studies Chapter 5, he (already)____ Chapter Today Tom began studying at 8:00. Now it is 10:00. Tom ____ for two hours. 8. had already studied 9. will already have studied 10. has been studying

6. Cont.…ex. 11
11. Yesterday Tom began studying at 8:00. Tom’s friends came over at 10:00. Before his friends came, Tom ____ for two hours.
12. It’s 8:00. Tom’s roommate gets home at 10:00. By the time Tom’s roommate gets home, Tom ____for two hours.
11. had been studying will have been studying

7. Exercise 14,p9 1. Does Pedro walks to work every morning?
Correct the errors in these sentences.
1. Does Pedro walks to work every morning?
2. What you are talking about?
3. Did you finished your work?
1. Does Pedro walk to work every morning? 2. What are you talking about? 3. Did you finish your work?

8. Cont.….ex.14 4. My friend doesn’t liking her apartment.
5. Do you are working for this company?
6. What time your plane did it arrive?
4. My friend doesn’t like her apartment. 5. A re you working for this company? / D o you work for this company?
6. What time did your plane arrive?

9. Cont.….ex.14 7. How long have you are living in this city?
8. Ali won’t to be in class tomorrow.
7. How long have you been living in this city? / How long have you lived in this city?
8. Ali won’t be in class tomorrow.

10. Exercise 16, p. 10. Part II. Part I. controlled permitted planned
preferred
enjoying
happening
staying
answered
listened
offered
opened
putting
stopping
winning
dating
dining
grading

11. Exercise 17, p. 11. Part I 8. patting 9. lying 10. beginning
11. earning
12. flying
2. hiding
3. running
4. ruining
5. coming
6. writing
7. eating

12. Cont…ex.17, p. 11 Part II 9. dying, died 10. employing, 11. employed
12. burying, buried
13. admitting, admitted
14. visiting, visited
15. waiting, waited
2. planning, planned
3. raining, rained
4. taping, taped
5. tapping, tapped
6. entering, entered
7. preferring, preferred
8. translating, translated