← Library
Unit 5.1 · B2 Grammar

Using verbs with -ing and infinitive

Choose verb + -ing, to-infinitive and object-infinitive patterns; Use make, let and help accurately; Distinguish meaning changes after remember, forget, regret and stop.

👀 Teacher Preview▶ Play
Teacher mode — correct answers are highlighted. Students never see this.

  1. 1. Which sentence uses the correct complement after enjoy?

    Multiple Choice20s
    AI enjoy working with an international team.✓
    BI enjoy to work with an international team.
    CI enjoy work with an international team.
    DI enjoy to working with an international team.

    💡 Enjoy is followed by an -ing form.

  2. 2. The verb agree is followed by a to-infinitive in 'They agreed to extend the deadline.'

    True / False20s
    True ✓
    False

    💡 Agree belongs to the verb + to-infinitive group.

  3. 3. The staff offered _____ overtime to finish the project.

    Fill the Gap20s
    Accepted
    to work

    💡 Offer is followed by a to-infinitive.

  4. 4. Which sentence correctly uses make in the active voice?

    Multiple Choice20s
    AThe delay made us reconsider the route.✓
    BThe delay made us to reconsider the route.
    CThe delay made us reconsidering the route.
    DThe delay made to us reconsider the route.

    💡 Make + object takes the base infinitive without to.

  5. 5. Match each first verb to a grammatical continuation.

    Matching30s
    can't stand→waiting in long queues
    refused→to sign the revised contract
    encouraged us→to present our findings
    let the interns→attend the workshop

    💡 The continuations use -ing, to-infinitive, object + to-infinitive and object + base verb.

  6. 6. Complete with the -ing form of meet: I don't remember _____ the new director before.

    Fill the Gap20s
    Accepted
    meeting

    💡 Remember + -ing refers to a memory of an earlier experience.

  7. 7. Put the chunks in order to describe a planned action.

    Put in Order30s
    1. 1.The company
    2. 2.plans
    3. 3.to launch
    4. 4.a mentoring scheme
    5. 5.next autumn.

    💡 Plan is followed by a to-infinitive.

  8. 8. Which sentence means the speaker has a memory of securing the door?

    Multiple Choice20s
    AI remember locking the door.✓
    BI remembered to lock the door later.
    CI remember to locking the door.
    DI remember lock the door.

    💡 Remember + -ing looks back at a memory of the completed action.

  9. 9. 'My manager let me to leave early' follows the standard let + object pattern.

    True / False20s
    True
    False ✓

    💡 Let + object takes the base verb without to.

  10. 10. Use submit: Please remember _____ the signed form before Friday.

    Fill the Gap20s
    Accepted
    to submit

    💡 Remember + to-infinitive means do not forget a required future action.

  11. 11. Which sentence formally introduces unwelcome information?

    Multiple Choice20s
    AWe regret to inform you that the event has been cancelled.✓
    BWe regret informing you now that we are about to cancel.
    CWe regret inform you that the event cancelled.
    DWe regret to informing you about cancellation.

    💡 Regret + to-infinitive is used formally for bad news about to be communicated.

  12. 12. Match each pattern to its correct example.

    Matching30s
    Verb + -ing→They suggested taking a later train.
    Verb + to-infinitive→They decided to take a later train.
    Verb + object + to-infinitive→They advised us to take a later train.
    Verb + object + base verb→They made us take a later train.

    💡 The examples contrast the four complement patterns from the reference.

  13. 13. Use work: The role involves _____ closely with local communities.

    Fill the Gap20s
    Accepted
    working

    💡 Involve is followed by an -ing form.

  14. 14. 'We stopped to get some fuel' means we interrupted our journey because getting fuel was our purpose.

    True / False20s
    True ✓
    False

    💡 Stop + to-infinitive explains why another activity was paused.

  15. 15. Which sentence means that Elena ended the activity of checking her phone?

    Multiple Choice20s
    AElena stopped checking her phone.✓
    BElena stopped to check her phone.
    CElena stopped check her phone.
    DElena was stopped to checking her phone.

    💡 Stop + -ing means cease the named activity.

  16. 16. Put the chunks in order to make an object + to-infinitive sentence.

    Put in Order30s
    1. 1.My tutor
    2. 2.encouraged
    3. 3.me
    4. 4.to apply
    5. 5.for the scholarship.

    💡 Encourage is followed by object + to-infinitive.

  17. 17. Use pay: The supervisor authorised us _____ the full amount.

    Fill the Gap20s
    Accepted
    to pay

    💡 Authorise takes an object followed by a to-infinitive.

  18. 18. Which sentence correctly uses let?

    Multiple Choice20s
    AThey won't let visitors enter without a pass.✓
    BThey won't let visitors to enter without a pass.
    CThey won't let visitors entering without a pass.
    DThey won't let to visitors enter without a pass.

    💡 Let + object is followed by the base infinitive.

  19. 19. Remember + -ing and remember + to-infinitive always have exactly the same meaning.

    True / False20s
    True
    False ✓

    💡 The complement changes the time viewpoint and meaning.

  20. 20. Use the -ing form of speak: I regret not _____ to her when I had the opportunity.

    Fill the Gap20s
    Accepted
    speaking

    💡 Regret + -ing expresses regret about a past action or omission.