1. Unit 1
Big Changes
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2. Next Main Page Previous Grammar Simple Present Tense
Use the simple present tense for facts or things that are true in general.
The euro is the official currency of the European Union.
The digital generation includes today’s teenagers.
My parents don’t read newspapers online.
Does Portugal belong to the European Union?
Simple Present versus Present Progressive
Use the simple present to talk about habits or routines.
Use the present progressive for actions occurring now or for a temporary situation.
The temperatures change with the seasons of the year. (habit or routine)
The temperatures in the poles are changing drastically. (happening now)
PERMANENT TEMPORARY
John lives in Quebec, but he is studying in France this year.
Note: Some verbs are not often used in the progressive form:
believe, forget, hear, know, like, love, need, prefer, remember, see, understand, want.
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3. Next Main Page Previous Simple Past versus Present Perfect
Use the simple past to talk about events that began and ended in the past.
The Russians launched the first artificial satellite in 1957.
Use the present perfect to talk about an indefinite time in the past.
Many countries have launched satellites into space.
Also use the present perfect to talk about events that began in the past and continue
into the present The United States has launched many astronauts into space since 1969.
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4. Next Main Page Previous Answers 1. is living / ‘s living 2. is boiling
3. do not understand / don’t understand
4. Does it snow
5. goes
6. do you think
7. is increasing
8. do not remember / don’t remember
9. does not use / doesn’t use
1 0. is not working / ’s not working / isn’t working
B. Complete the with the correct forms of the verbs. Use the appropriate tense.
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5. Next Main Page Previous 1. are not working / aren’t working 2. is
3. live
4. help
5. meet
6. was
7. arrived
8. got
10. is
9. have
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6. Next Main Page Previous 11. have not seen / haven’t seen
12. are swimming / ’re swimming
13. am wearing / ’m wearing
14. applied
15. knew
16. was
17. wanted
18. like
19. miss
20. feel
C. Ask Fernando, from exercise B, about his
life in Britain. Work with a partner. Make up
questions and answers.
A: Have you been to Bath?
B: Yes, I have.
A: When were you there?
B: I was there a month ago.
A: Did you see the Roman baths?
B: Yes, I did.
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