ACTIVE VOICE AND PASSIVE VOICE  The change inform of verb according to either subject or object of the sentence is called voice. ( Transitive verbs  are used with a direct object  and Intransitive verbs  are used without a direct object. )  * A Transitive Verb has two voices - Active Voice and  Passive voice.  1. Active voice: when the verb is  according to the subject of sentence, It is called active voice.  Example:  He writes a letter.  I am reading a book.  The Verb ' writes ' and ' am reading ' are in the Active Voice  and ' He ' and  'I' are the 'doers' of  actions. A Verb is said to be in the Passive voice when the Subject of the Verb is acted upon.  2 . Passive voice: when the verb is according to the object of sentence, it is called passive voice.  Example:  A letter is written by him.  A book is being read by me.  The Verbs is ' written ' and 'is being  read ' are in the Passive Voice  and the Subjects of the Verbs (...