Unit Goals
In this unit, you will learn to:
- talk about explorers and exploration.
- talk about accomplishments and challenges.
- talk about air and space travel.
- understand the simple past and past progressive.
- use the present perfect
- use for and since with the present perfect.
LESSON A NEW FRONTIERS
Grammar In Context
Simple past vs past progressive
Examples Explanation
The satellite returned to earth in 1979. Use the simple past to talk about completed actions or
Our airplane left the airport at 3:30 p.m. states in the past.
Millions of people were watching their With the past progressive, we other use when + a time
televisions when the spacecraft returned clause in the simple past to express a specific past time.
to earth
Engineers were talking to Gagarin by Use while with the past progressive for two things in
radio while his spacecraft was orbiting progress at the same time in the past.
the earth.
LESSON B THE SPACE
Grammar In Context
The present perfect
Examples Explanation
Has the space agency decided to travel to Use has or have to ask a Yes/No question with the
Mars? present perfect.
Yes, they have. No, they haven't.
Have your ever flown in an airplane? Use ever in Yes/No questions with the present
perfect to ask about any time before now.
Why has the airplane turned around? Use the wh- word + has or have to ask a wh-
Where have you seen that man before? question with the present perfect.
LESSON C GOING PLACES
Grammar In Context
Simple past vs present perfect
Examples Explanation
We have walked a long very time morning. Use the present perfect to talk about a some period
Maybe we should stop and rest now. that began in the past and includes the present.
LESSON D ADVENTURE TRAVEL
Grammar In Context
Present perfect with for and since
Examples Explanation
They have been in business for 22 years. Use the present perfect with for + a length of time
Melissa has owned the restaurant for eight to talk about duration, or how long something has
months. been true.
We have known each other since 2004. Use the present perfect with since + a specific
He has learned a lot about tourism since past time to talk about when something began.
he bought the hotel.
LESSON E PRIVATE SPACE FLIGHT
EXERCISES
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Words to search:
PROGRESSIVE
FRONTIERS
SIMPLEPAST
THESPACE
PLACES
ADVENTURE
TRAVEL
EXPLORATION
CROSSWORD
http://worksheets.theteacherscorner.net/make-your-own/crossword/crossword.php
QUIZ
https://docs.google.com/forms/d/15XI7hdHqDTB4IFYCyeSvsq-sbRK2NM054tCUfB4c-PE/viewform
http://worksheets.theteacherscorner.net/make-your-own/crossword/crossword.php
QUIZ
https://docs.google.com/forms/d/15XI7hdHqDTB4IFYCyeSvsq-sbRK2NM054tCUfB4c-PE/viewform
QUESTIONARY
What is the simple past?
What is a progressive past?
What is the present perfect?
What is the space?
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ColorSchemer
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MovieMaker
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Drupal 7
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GreenShot
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Jing
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ScreenCast-O-Matic
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Lookator
Para usuarios de Android que necesiten checar donde se encuentran, pueden descargar esta app
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CamStudio
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Audacity
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