Ответ:

Краткое пояснение:

Для утверждений в Simple Past используем прошедшую форму глагола. Для отрицаний — 'didn't' + инфинитив (кроме 'to be', где 'wasn't/weren't'). Для вопросов — 'Did' + подлежащее + инфинитив.

Пошаговое решение:

  1. They visited a farm two weeks ago.
  2. Jenny and Peggy did not help their brother.
  3. The children were not at home last weekend.
  4. When did you design this wonderful skirt?
  5. My mother did not crash into the van.
  6. Did you phone your aunt last week?

Ответ:
1. visited
2. did not help
3. were not
4. did, design
5. did not crash
6. Did, phone