Gerund or infinitive

Verbs and prepositions followed by -ing or to + infinitive, and verbs that change meaning

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1. 1
   Multiple choice

   I enjoy in the mountains.

   to hikehikinghikehiked'Enjoy' is followed by the -ing form.
2. 2
   Multiple choice

   We decided a new car.

   buyingbuyto buybought'Decide' is followed by to + infinitive.
3. 3
   Multiple choice

   She's interested in photography.

   learningto learnlearnlearntAfter a preposition we use the -ing form.
4. 4
   Multiple choice

   Which sentence means that he doesn't smoke any more?

   He stopped to smoke.He stops to smoke.He stopped smoking.'Stop + -ing' means to end an activity; 'stop + to' gives the reason for stopping.
5. 5
   Fill the gap

   I'm looking forward to you next week.

   seeto seeseeingsawIn 'look forward to', 'to' is a preposition, so it is followed by -ing.
6. 6
   Fill the gap

   Would you like (join) us for dinner?

   Answer: to join'Would like' is followed by to + infinitive.
7. 7
   Fill the gap

   He avoided (answer) the question.

   Answer: answering'Avoid' is followed by the -ing form.
8. 8
   Fill the gap

   Don't forget the door when you leave.

   lockingto locklocklocked'Forget to do' is about something you need to do in the future.
9. 9
   Fill the gap

   I remember (visit) this museum when I was a child.

   Answer: visitingAlso accepted: having visited'Remember + -ing' is about a memory of something in the past.
10. 10
    True / false

    This sentence is correct: 'I can't afford going on holiday this year.'

    Answer: False'Afford' is followed by to + infinitive: 'I can't afford to go.'
11. 11
    Discussion question

    What do you enjoy doing at the weekend, and what would you like to try in the future?

    Sample answer: I enjoy cooking and going for long walks. In the future I'd like to try climbing, but I'm afraid of falling.
12. 12
    Discussion question

    Is there anything you regret not doing when you were younger?

    Sample answer: I regret not learning to play the piano. My parents wanted me to take lessons, but I refused to practise.