Page 176 - Grammar for Great Writing B

ACTIVITY 6 Common Error 12.3

Underline the verb forms that correctly complete the paragraphs.

1. One of the first places modern yoga (saw / was seen) in the West was at the
World’s Fair in the 1890s. It (was performed / performed) by an Indian named
Swami Vivekananda. The Swami also (gave / was given) a speech. In his speech, he
(was talked / talked) about world religions and a universal religion. Swami Vivekananda’s
presence at the World’s Fair (was / was been) the beginning of the popularity of yoga in

the United States.

2. Bacteria and other organisms (can be found / can find) living on every surface
in the world. One way biologists (are studied / study) bacteria is by using controlled
conditions. They take a sample and (are grown / grow) it in the laboratory. However,

some types of bacteria are actually invisible, so they (cannot be grown / cannot grow)
by biologists in controlled conditions. For this reason, it has been very difficult for
biologists to study these types of bacteria. However, recently a new method of DNA
sequencing (has been successfully used / has successfully used) to study this invisible

bacteria. Scientists (hope / are hoped) that this new method of studying invisible
bacteria will continue to reveal very useful information.

3. The Pacific Garbage Patch is a mass of plastic garbage that (has collected /
has been collected) together in the middle of the Pacific Ocean as an island of garbage.

It is a very big island. In fact, it (is estimated / estimated) to be the same size as the
United States. How was this “garbage island” (form / formed)? First, garbage (threw /
was thrown) into streams, rivers, and oceans. Then the garbage (picked up / was picked
up) by ocean currents and brought to this area. Many people (have tried / have been
tried) to figure out how to fix this problem, but so far there are no good solutions.

4. A new study (shows / is shown) that participating in sports activities while
studying at a college or university (can improve / can be improved) your grades. This
study (done / was done) in Spain. The grades of 3,671 students (were collected /
collected) over a period of approximately seven years. The students who (were participated /

participated) in sports achieved GPAs that were an average of nine points higher than
the students who (were not participated / did not participate) in sports.

166 Unit 12 Using Passive Voice

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Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
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