in order to=with the purpose=intention of doing sth 的用法和在句中的位置

In order to do sth.,xxx.(do sth是目的,xxx是你的行为.）也可以 xxx in order to do sth.意思和上面一样.With the purpose of doing sth,xxx.(doing sth是目的,xxx是你的行为)With the intention of doing sth,xxx....