Page 43 - Grammar for Great Writing B

3 Writing with the

Present Perfect

What Do You KnoW?

Discuss Look at the photo and read the caption. Discuss the questions.
1. Does your country have a drought problem? If so, how long has it been a problem?
2. Have you noticed any signs of global warming? If so, what are they?
FinD the errors This paragraph contains two errors with the present perfect. Find the
errors and correct them. Explain your corrections to a partner.

INTRODUCTORY PaRagRaPH

Global Warming

1 According to scientists who study global warming, the temperature of the earth
is rising, and it is humans who are causing this situation. In the last century, the
2
temperature of the planet has risen on average 1.53 degrees Fahrenheit. For the past
3
two decades, people debated this issue. Some people still refuse to believe that global
4
warming exists. Others accept that it exists and that it is an urgent problem, but they
5
do not agree on its causes or on the solutions. The fact is that the planet has become
6
warmer, and understanding the causes of global warming will help us to solve this
problem. This paper will examine three ways in which human beings have contribute
7
to global warming.

33

Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
032-043_18606_GGW_SB_B_U3.indd 33 12/14/16 2:53 PM