© 2016 National Geographic Learning, a part of Cengage Learning, ALL RIGHTS RESERVED. Communicative activities 213

1.1 Describing a graphStudent A

The graph below shows research into changing ideas about three items. Your partner has information about three other items (clothes dryers, microwaves and computers). Take turns to describe the missing trend lines and draw them on the graph. Use sentences with the perfect aspect.

Communicative activities

Student B

The graph below shows research into changing ideas about three items. Your partner has information about three other items (cars, air-conditioning and smartphones). Take turns to describe the missing trend lines and draw them on the graph. Use sentences with the perfect aspect.

1980

Car

Air conditioning

Do you think of this as a necessity? (% rating each item as a necessity)

Year

Smartphone

100%

90%

80%

70%

60%

50%

40%

30%

20%

10%

0%

1985 1990 1995 2000 2005 2010 2015 2020

Clothes dryer

Microwave

Computer

Do you think of this as a necessity? (% rating each item as a necessity)

Year

1980

100%

90%

80%

70%

60%

50%

40%

30%

20%

10%

0%

1985 1990 1995 2000 2005 2010 2015 2020

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214 Communicative activities © 2016 National Geographic Learning, a part of Cengage Learning, ALL RIGHTS RESERVED.

1.2 Pronunciation snap!

/w/ /r/ /j/know is wonder if personally I

no expert law against be a

go up are able maybe increase

You edit via Internet the inflow

overdo it regular exercise be able

too easy clear or amazingly after

no one there are negatively affects

to assume are often day is

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