If he (leave) for london by train, he (get) there on wednesday. * if tom (work) hard, he (pass) his examinations. *
if i (have) free time, i (go) to the countryside with you. *
if there (be) stormy, children (stay) at home. *
if it (rain), my friends and i (listen) to music inside. *
if it (freeze), people (wear) warm clothing. *
if it (snow), many children ( ski). *​