Infinitive of purpose
Use to + base verb to explain the purpose of an action; An infinitive of purpose can answer a Why question; The infinitive does not change form after a present, future, or past action; because can give a full-clause reason.
1. Complete the sentence: I went to the bakery ___ some bread.
Multiple Choice20sAto buy✓Bfor buyCto boughtDbuying to💡 Use to + base verb to explain the purpose of going to the bakery.
2. An infinitive of purpose has the form to + base verb.
True / False20sTrue ✓False💡 Examples include to learn, to help, and to see.
3. We left home early _____ the first bus. (catch)
Fill the Gap20sAcceptedto catch💡 To catch explains why we left early.
4. A: Why is Luis taking an evening course? B: ___.
Multiple Choice20sATo learn English.✓BLearned English.CFor learn English.DTo learning English.💡 An infinitive of purpose can be a short answer to a Why question.
5. Match each action to its purpose.
Matching30sgo to the post office→to send a parcelopen the map→to find the roadcall the hotel→to book a roomturn on the radio→to hear the news💡 Each to-infinitive explains why the action is done.
6. Kim used her phone _____ a message to her brother. (send)
Fill the Gap20sAcceptedto send💡 To send states the purpose of using the phone.
7. Put the words in order to make a sentence with a purpose.
Put in Order30s- 1.She
- 2.went outside
- 3.to call
- 4.her friend.
💡 The to-infinitive follows the main action and explains its purpose.
8. Which sentence correctly explains the purpose of stopping?
Multiple Choice20sAThey stopped to take a photo.✓BThey stopped for take a photo.CThey stopped to took a photo.DThey stopped to taking a photo.💡 Use to followed by the base verb take.
9. "I went to the museum to visited the new exhibition" is correct.
True / False20sTrueFalse ✓💡 The verb after to stays in its base form, even when the main action is in the past.
10. Ella checked the timetable _____ the next train. (find)
Fill the Gap20sAcceptedto find💡 To find explains the purpose of checking the timetable.
11. A: Why did he turn on the lamp? B: ___.
Multiple Choice20sATo see the page.✓BBecause see the page.CTo saw the page.DFor seeing the page to.💡 A purpose answer can use to + base verb.
12. Match each Why question to the purpose answer.
Matching30sWhy are you going to the bank?→To get some cash.Why did Ana buy flour?→To make a cake.Why does Tim cycle?→To keep fit.Why are they saving money?→To travel next summer.💡 Each answer uses an infinitive to name the aim of the action.
13. I brought my camera _____ pictures of the mountains. (take)
Fill the Gap20sAcceptedto take💡 To take tells us why the speaker brought a camera.
14. The to-infinitive keeps the same form when the main action is in the past.
True / False20sTrue ✓False💡 For example, "She went out to buy milk," not "to bought milk."
15. Rewrite the purpose: "I use a map because I want to find my way."
Multiple Choice20sAI use a map to find my way.✓BI use a map to found my way.CI use a map for find my way.DI use to find a map my way.💡 The full purpose clause can become to + base verb.
16. Put the words in order to make a sentence about purpose.
Put in Order30s- 1.They saved
- 2.money
- 3.to go
- 4.on holiday.
💡 To go on holiday explains why they saved money.
17. We went to the information desk _____ for help. (ask)
Fill the Gap20sAcceptedto ask💡 To ask states the purpose of going to the desk.
18. Which sentence expresses a purpose?
Multiple Choice20sAShe sat down to rest.✓BShe sat down because she was tired.CShe sat down yesterday.DShe sat on a blue chair.💡 To rest names the aim of sitting down.
19. We can also answer a Why question with because followed by a full clause.
True / False20sTrue ✓False💡 For example: "Why did she leave?" "Because she was tired."
20. I listen to short podcasts _____ my English. (improve)
Fill the Gap20sAcceptedto improve💡 To improve explains the purpose of listening to the podcasts.