Gerund or infinitive

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

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1. 1
   选择题

   I enjoy in the mountains.

   to hikehikinghikehiked'Enjoy' is followed by the -ing form.
2. 2
   选择题

   We decided a new car.

   buyingbuyto buybought'Decide' is followed by to + infinitive.
3. 3
   选择题

   She's interested in photography.

   learningto learnlearnlearntAfter a preposition we use the -ing form.
4. 4
   选择题

   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
   填空

   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
   填空

   Would you like (join) us for dinner?

   答案: to join'Would like' is followed by to + infinitive.
7. 7
   填空

   He avoided (answer) the question.

   答案: answering'Avoid' is followed by the -ing form.
8. 8
   填空

   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
   填空

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

   答案: visiting同样正确: having visited'Remember + -ing' is about a memory of something in the past.
10. 10
    判断对错

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

    答案: 错误'Afford' is followed by to + infinitive: 'I can't afford to go.'
11. 11
    讨论题

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

    参考答案: 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
    讨论题

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

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