Помогите составить 5 предложений с While и When. C временами Past Simple и Past Continuous в одном предложении.

While I was baking a cake, my cat was sleeping.

When I saw him, he was playing volleyball.

While they were sunbathing, I was swimming in the sea.

When he came into the classroom, the students were talking.

While he was riding a bike, I was walking in the park.

When the phone rang, I was having a shower.

While she was tidying up her room, her brother was doing the washing up.

When mother saw me, I was crossing the street.

While you were watching a movie, I was studying.

When he returned, we were waiting for him.