My friend was watching his bike at 6 o'clock yesterday. сделать с 5 типами вопросов(общие,распростр. и т.п.)

My friend was washing his bike at 6 o'clock yesterday.

Общий: Was my friend washing his bike at 6 o'clock yesterday?

Специальный: What was my friend washing at 6 o'clock yesterday?

Вопрос к подлежащему: Who was washing his bike at 6 o'clock yesterday?

Альтернативный: Was my friend washing his bike or his car at 6 o'clock yesterday?

Разделительный: My friend was washing his bike at 6 o'clock yesterday, wasn't he?