Составьте 5 предложений с when и 5 предложений с while пожалуйста помогите!

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.