Unit 1 Big Changes Main Page Previous Next

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. Main Page Previous Next

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. Main Page Previous Next

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 email with the correct forms of the verbs. Use the appropriate tense. Main Page Previous Next

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 Answers Main Page Previous Next

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. Main Page Previous Next