Through the centuries, the conventions of drama have been altered in many different ways. These conventions are the setting, plot, characters and staging. The main factor which has been a dominant force during the changes of conventions has been the society. The society present during the time in which a play was written had a direct influence on the plot and characters. This is because drama is defined as a representation of life. Four plays which have been selected from Greek, Elizabethan, Restoration and Modern times can be analysed to show and represent the changes of drama. These plays are “Oedipus the King”, “Macbeth”,