I was writing your answer WHEN my mother called me to the lunch. eu estava escrevendo sua resposta QUANDO minha mãe me chamou para o almoço I was running WHEN I a fell. eu estava correndo QUANDO cai. I was taking a shower WHILE my brother put your clothes on. eu estava banhando ENQUANTO meu irmão se vestia. I was so sick WHILE my sister was so healthfull. eu estava tão doente ENQUANTO minha irmã estava tão sadia. I was driving WHEN I saw her. Eu dirigia QUANDO a vi.