Grammar and Language Workbook

Unit 7, Prepositions, Conjunctions, and Interjections 151

Copyright © by Glencoe/McGraw-Hill

Grammar

Lesson 42

Prepositional Phrases

A prepositional phrase is a group of words that begins with a preposition and

ends with a noun or a pronoun called the object of the preposition.

The Adirondack Mountains are in northern New York.(New Yorkis the object

of the preposition in.)

I will mark the map for you.(Yo uis the object of the preposition for.)

Exercise 1 Draw a line under the prepositional phrase or phrases in each sentence.

People from countriesaround the worldvisit Yosemite each year.

1. Yosemite, in central California, is one of the best-known national parks.


2. It became a national park through the effortsof naturalist John Muir.


3. Yosemite National Park is known for its waterfalls, for its mountains and domes, and
   for its giant sequoia trees.


4. During the Ice Age, glaciers carved the Yosemite Valley.


5. Small side valleys, also formed by glaciers, have rivers at their bases.


6. These rivers spill over the sidesof the mountainsin spectacular waterfalls.


7. At 2,435 feet, Yosemite Falls is the highest waterfall in North America.


8. The water in Yosemite Creekspills over the edgein three falls.


9. Tw o of Yosemite’s natural wondersare called El Capitán and Half Dome.


10. El Capitán is the world’s largest piece of exposed granite.


11. Half Dome is a piece of granitethat looks like a gumdropcut in half.


12. The Sierra Nevadas are one huge piece of granite.


13. The park contains three separate groves of giant sequoia trees.


14. Among these groves, the Mariposa Grove of Big Treesis the most famous.


15. The largest tree in the park, the Grizzly Giant, is 3,800 years old.


16. According to historians, the name Yosemitemeans “grizzly bear.”