Ответ:

Краткое пояснение: Нужно написать формы глаголов в прошедшем времени.
  1. smile - smiled, dance - danced, skate - skated
  2. stop - stopped, drop - dropped
  3. study - studied, carry - carried
  4. skip - skipped, love - loved, talk - talked
  5. wash - washed, stay - stayed, live - lived