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Unit 12.2 · B1 Grammar

Uses of the infinitive with to

to-infinitive for purpose; adjective + to-infinitive; It's + adjective + to-infinitive; verbs followed by to-infinitive; not to + infinitive; remember to and try to.

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  1. 1. I went to reception _____ a visitor's pass.

    Multiple Choice20s
    Ato collect✓
    Bfor collect
    Ccollecting to
    Dto collecting

    💡 A to-infinitive can explain the purpose of an action.

  2. 2. A verb that follows an adjective is often in the to-infinitive form, as in 'happy to help'.

    True / False20s
    True ✓
    False

    💡 Adjective + to-infinitive is a common pattern in this unit.

  3. 3. I am writing _____ whether the position is still available. (ask)

    Fill the Gap20s
    Accepted
    to ask

    💡 To ask gives the purpose of writing.

  4. 4. Which sentence gives a general evaluation with It's + adjective + infinitive?

    Multiple Choice20s
    AIt's useful to keep a copy of the receipt.✓
    BIt's useful keeping to a copy of the receipt.
    CIt's to useful keep a copy of the receipt.
    DIt useful to keeping a copy of the receipt.

    💡 The pattern is It's + adjective + to + bare infinitive.

  5. 5. Match each verb to the natural to-infinitive complement.

    Matching30s
    With the lease ending, we plan→to move offices next month
    Despite the delay, we managed→to finish before the deadline
    Before leaving, don't forget→to lock the storeroom
    During your visit, we'd like→to meet the project leader

    💡 These verbs and expressions are followed by to + bare infinitive.

  6. 6. The chair asked us _____ the speaker during the presentation. (not/interrupt)

    Fill the Gap20s
    Accepted
    not to interrupt

    💡 A negative infinitive places not before to: not to interrupt.

  7. 7. Put the chunks in order to explain the purpose of leaving early.

    Put in Order30s
    1. 1.We
    2. 2.left early
    3. 3.to avoid
    4. 4.the traffic
    5. 5.near the stadium.

    💡 To avoid introduces the purpose of the earlier action.

  8. 8. Choose the correct form after manage.

    Multiple Choice20s
    AWe managed to solve the problem.✓
    BWe managed solving the problem to.
    CWe managed solve to the problem.
    DWe managed to solving the problem.

    💡 Manage is followed by a to-infinitive.

  9. 9. The standard negative infinitive is to not + verb, for example 'to not arrive'.

    True / False20s
    True
    False ✓

    💡 This unit forms negative infinitives with not + to-infinitive.

  10. 10. Mina has decided _____ how to use the new design software. (learn)

    Fill the Gap20s
    Accepted
    to learn

    💡 Decide is followed by a to-infinitive.

  11. 11. Both clauses have the same subject. Which sentence uses an infinitive of purpose naturally?

    Multiple Choice20s
    ARavi called the hotel to confirm the booking.✓
    BRavi called the hotel for confirm the booking.
    CRavi called the hotel to confirming the booking.
    DRavi to called the hotel confirm the booking.

    💡 A to-infinitive can replace a because-clause when it states the subject's purpose.

  12. 12. Match each to-infinitive example to its function.

    Matching30s
    She called to confirm the time.→purpose of an action
    We are happy to help.→infinitive after an adjective
    It's useful to take notes.→general evaluation of an activity
    Remember to send the invoice.→an intended action that must not be forgotten

    💡 The to-infinitive can express purpose, follow an adjective, evaluate an activity, or follow a selected verb.

  13. 13. The technician came _____ the broken projector. (repair)

    Fill the Gap20s
    Accepted
    to repair

    💡 To repair explains why the technician came.

  14. 14. Try to + verb can mean make an effort to perform the action.

    True / False20s
    True ✓
    False

    💡 The reference uses try to for an effort to do something.

  15. 15. You have an appointment tomorrow. Which reminder uses the target pattern?

    Multiple Choice20s
    ARemember to bring your passport.✓
    BRemember bringing your passport tomorrow already.
    CRemember bring to your passport.
    DRemember to bringing your passport.

    💡 Remember to + bare infinitive means do not forget an intended action.

  16. 16. Reorder the chunks to make an evaluation about checking data.

    Put in Order30s
    1. 1.It's
    2. 2.important
    3. 3.to check
    4. 4.every figure
    5. 5.carefully.

    💡 The evaluation uses It's + adjective + to-infinitive.

  17. 17. The online instructions are easy _____. (follow)

    Fill the Gap20s
    Accepted
    to follow

    💡 An infinitive with to commonly follows an adjective such as easy.

  18. 18. Which verb is followed by a to-infinitive in the Unit 12.2 list?

    Multiple Choice20s
    Aagree✓
    Bavoid
    Cenjoy
    Dcan't stand

    💡 Agree takes to + bare infinitive; the other options take -ing forms.

  19. 19. After decide, the coursebook pattern uses an -ing form rather than a to-infinitive.

    True / False20s
    True
    False ✓

    💡 Decide belongs to the group of verbs followed by to + infinitive.

  20. 20. We held another meeting _____ the final problem. (solve)

    Fill the Gap20s
    Accepted
    to solve

    💡 To solve states the purpose of holding the meeting.