--- While When  it started to rain I was working in the garden.

His friends came  --- While When  he was doing engbook.

--- While When  students were reading teacher went out from classroom.

Szymek was talking with mother  --- While When  wall fell down.

Did brother hit him  --- While When  he was playing coumpter games?

 Were they outside  --- While When  the match started?

--- While When  Wojtek died I was in the shopping centre.

Father puked  --- While When  he was flying by plane with his family.