1. was raining, came 2. was doing, started 3. was washing up 4. called, was reading
общий: Was she doing homework, when the film started?
разделительный: She was doing homework, when the film started, wasn't she?
вопрос к подлежащему: Who was doing homework, when the film started?
специальный вопрос: What was she doing, when the film started?
альтернативный: Was she doing homework, when the film started, or not?