Grammar and Language Workbook

infinitive phrase
.
To write with great clarity has been my goal for many years.
 Exercise 1
Underline each infinitive and infinitive phrase.
Jamal goes to the lab to study botany because he wants to know about the formation and
growth of plants.
1. If we pause to consider the smallest algae and the giant sequoia, we realize how important
plants are to our world.
2. Jamal is interested in plant structure and how plants are equipped to fight disease.
3. Kara’s interest seems to be the role of plants in the food chain.
4. She hopes to expand her knowledge of nutrition and agronomy.
5. Su Lin’s desire to enter the National Park Service often takes her to the woods to indulge her
interest in wild plants.
6. She asked me to notice the difference in the growth patterns of trees.
7. Maple trees, to name one example, do not usually grow in mountainous areas because they
cannot find enough room to place their roots.
8. Many pines, on the other hand, tend to thrive in the mountains, for they are anchored by a tap
root, a single, thick root that extends into the ground a distance equal to the height of the tree.
9. Willow trees may send roots several hundred feet to find water and will not flourish in arid
places.
Unit 3, Phrases
91
Copyright © by Glencoe/McGraw-Hill
Name ___________________________________________________ Class _________ Date ____________________
Grammar

---

10. Ancient people knew that many plants growing wild in the United States are good to eat.
11. They were forced to depend on nature to supply their food, and although we have learned to
control nature to a great extent, ultimately we are still dependent on it to produce our
[
food.