Put the verbs in brackets into the Past Continuous (subject + was/were + Ving...).

Action in progress in the past:

1. At 8 p.m. yesterday, I was watching a new science fiction film.
2. The actors were starring in an amazing scene when I turned on the TV.
3. I was reading about the film's plot for two hours yesterday.
4. We were checking the sound was loud enough for the cinema room.

Interrupted Action:

1. I was watching a frightening film when the lights suddenly went out.
2. He was falling asleep halfway through the film when his phone rang.
3. We were discussing the exciting ending when the teacher entered the room.
4. She was crying because she was upset by the plot, but then the hero survived.

Actions at the same time:

1. While I was waiting for the science fiction movie, my friend was buying popcorn.
2. The main hero was running from a terrifying monster while the music was playing.
3. While we were looking for a "must-see" movie, our parents were making tea.
4. I was not listening to the boring dialogue while the aliens were landing on Earth.

Background:

1. It was a dark night; a frightening wind was blowing outside the cinema.
2. In the first scene, the sun was shining and the people were laughing.
3. Everyone in the hall was smiling because the movie was very amusing.
4. The birds were singing and the trees were shaking in the wind at the beginning of this amazing film.