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LEARN
10.6 Infinitives of Purpose
1. Use an infinitive to state a purpose I went to the store to buy some food.
or reason. (I went to the store because I wanted to buy some food.)
2. Be careful! Don’t use for + an ✓ She went online to find the information.
infinitive to state a purpose. ✗ She went online for to find the information.
3. We often use an infinitive in an A: Why are you taking this class?
incomplete sentence to answer B: To learn English.
questions with Why.
4. Remember: To is usually not I use my phone to talk to people, watch videos, and
repeated when there is more than surf the Internet.
one infinitive in the sentence.
4 Complete the sentences. Use infinitives of purpose.
1. The professor gave the assignment because he wanted to start a discussion about jobs.
The professor gave the assignment to start a discussion about jobs .
2. Yuri chose Dr. Katija because he wanted to show his interest in the ocean.
Yuri chose Dr. Katija .
3. The scientist studies the oceans because she wants to understand climate systems.
The scientist studies the oceans .
4. Dani went to the library because she wanted to do some research and finish her project.
Dani went to the library .
5. Because he wanted to get a good grade, Jack studied all night.
Jack studied all night.
6. Louise used the Internet because she wanted to find some answers to her questions.
Louise used the Internet .
7. Everyone worked hard on their assignments because they wanted to get good grades.
Everyone worked hard on their assignments .
8. Some students stayed after class because they wanted to ask the professor questions.
Some students stayed after class .
5 SPEAK. Work with a partner. Ask and answer why questions about the sentences in exercise 4.
A: Why did the professor give the assignment?
B: To start a discussion about jobs.
UNIT 10 LESSON 3 281
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