Quando você quiser falar sobre o comportamento habitual ou característica, você pode usar a vontade w ill .   A baby bird will  leave its nest when it is able to fly.  A dog will  wag its tail when it is happy.  A car will  not stop as well in the rain as it will on a sunny day.  Ice will  melt if the temperature rises.   Quando você quiser falar sobre o comportamento habitual ou característica no passado, você pode usar  would .   Before the invention of television, people would  listen to radio dramas for entertainment.  My grandfather would  always tell us stories of his life as a boy in Italy.  No matter what the occasion, my grandmother would  never drink alcohol.  When ever I needed help with my math homework, my mother would  help me.   Quando você era criança, quem ajudava com o seu dever de casa? Deixe uma mensagem aqui e deixe-me saber.