Page 103 - New Grammar with a Smile 7
P. 103

Study this table to understand the forms of active voice and passive voice
                 in tenses.


                       Tense                      Subject                Verb                  Object

                   Simple present     Active     Pratima       writes                       a letter.

                                      Passive    A letter      is written                   by Pratima.

                   Present            Active     Pratima       is writing                   a letter.
                   continuous
                                      Passive    A letter      is being written             by Pratima.


                   Present perfect    Active     Pratima       has written                  a letter.

                                      Passive    A letter      has been written             by Pratima.

                   Simple past        Active     Pratima       wrote                        a letter.

                                      Passive    A letter      was written                  by Pratima.

                   Past               Active     Pratima       was writing                  a letter.
                   continuous
                                      Passive    A letter      was being written            by Pratima.

                   Past perfect       Active     Pratima       had written                  a letter.


                                      Passive    A letter      had been written             by Pratima.

                   Simple future      Active     Pratima       will write                   a letter.
                   (will)
                                      Passive    A letter      will be written              by Pratima.

                   Simple future      Active     Pratima       is going to write            a letter.
                   (going to)
                                      Passive    A letter      is going to be written       by Pratima.

                   Future perfect     Active     Pratima       will have written            a letter.

                                      Passive    A letter      will have been written       by Pratima.




                 Now, read these examples to understand how assertive, negative and
                 interrogative sentences are changed into the passive voice.

                 ♦   Changing an assertive sentence into the passive

                    y   I write a diary. (active)
                      A diary is written by me. (passive)

                    y   I help you. (active)
                      You are helped by me. (passive)



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