Ответ:

  1. Hilda seldom works on the computer.
  2. We usually take our dog for a walk three times a day.
  3. Every Sunday my Granny makes tasty cakes.
  4. Bob sometimes goes to bed at 12 o’clock.
  5. I always set the table for dinner.
  6. Her friend often watches video-films.
  7. Every day her children help her about the house.
  8. Alice never goes to the museum with her classmates.
  9. My brother and I usually clean our room on Saturday.
  10. Little Peggy likes to play computer games very much.

В Present Simple в 3-м лице единственного числа к глаголу обычно добавляется -s; после окончаний -s, -ch, -sh, -x, -o добавляется -es.