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.