Here are the correct answers for each sentence. The key is knowing which verbs are followed by "to + verb" (infinitive) and which are followed by "verb + ing" (gerund).
15. James denied
breaking the window.
*(Deny is always followed by -ing)*
16. They agreed
to come to our house.
*(Agree is always followed by to + verb)*
17. I want to give up
biting my nails.
*(Give up is a phrasal verb, and prepositions like 'up' are followed by -ing)*
18. He would like
to see Mr. Smith.
*(Would like is followed by to + verb)*
19. We can’t afford
to buy a new house.
*(Afford is followed by to + verb)*
20. They tried
to jump over the fence, but they couldn’t.
*(Try + to means you attempt something difficult. Try + ing means you experiment with a method. Since they failed, "to jump" fits best here.)*
21. The baby refused
to eat the puree.
*(Refuse is followed by to + verb)*
22. I miss
going to the park with my grandpa!
*(Miss is followed by -ing)*
23. Don’t you enjoy
playing tennis?
*(Enjoy is followed by -ing)*
24. She has decided
to sell her old car.
*(Decide is followed by to + verb)*
25. Have you finished
doing your homework?
*(Finish is followed by -ing)*
26. Where do you want
to go at the weekend?
*(Want is followed by to + verb)*
27. I don’t mind
travelling by train.
*(Mind is followed by -ing)*
28. Please remember
to bring your lunch to the trip.
*(Remember + to means don't forget to do a task in the future. Remember + ing means recalling a memory from the past. Since it's about lunch for a trip, it's a future task.)*
29. Please forgive my
breaking your glass.
*(Forgive is followed by -ing when talking about an action)*
30. I would prefer
to stay at home tonight.
*(Prefer is usually followed by to + verb when talking about a specific choice right now)*
Final Answer:
15. breaking
16. to come
17. biting
18. to see
19. to buy
20. to jump
21. to eat
22. going
23. playing
24. to sell
25. doing
26. to go
27. travelling
28. to bring
29. breaking
30. to stay
Parent Tip: Review the logic above to help your child master the concept of verb pattern worksheet.