What were you doing when he painted the house?
I was running when he painted the house.
Did they play video games yesterday?
No, they didn't play video games yesterday. In fact / Actually, they were playing the guitar.
Did we speak English yesterday?
No, we didn't speak English Yesterday. In fact / Actually, we were speaking French.
What were you doing when he had an accident?
I was traveling to London when he had an accident.
What was he doing when we broke the window?
He was taking a shower when we broke the window.
What was she doing when he knocked the door?
She was studying when he knocked the door.
Did you watch Youtube yesterday?
No, I didn't watch youtube yesterday. In fact / Actually, I was watching Netflix.
What was she doing when you went to the library?
She was cooking a chicken when I went to the library.
Did he listen to rock music last month?
No, we didn't listen to rock music last month. In fact / Actually, we were listening to pop music.
Did they read a comic last week?
No, they didn't read a comic last week. In fact / Actually, they were reading a book.