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may / might / could                                  Present Simple Passive
                                                                                      AFFIRMATIVE
                 •  We use may, might and could to express possibility
                  in the present or future. Might expresses slight                 I      am
                  possibility.                                                 He/She/It  is    called/given
                  We may/might/could go to the Summer Festival next          We/You/They are
                  weekend.
                                                                                       NEGATIVE
                                     NOTE                                        I       am not
                                                                             He/She/It    isn’t  called/given
                      We use may not / might not to express lack
                      of possibility in the present or future.             We/You/They    aren’t
                      Henry may not / might not be able to join us.
                                                                                       QUESTIONS
                                                                            Am          I
                                                                             Is      he/she/it   called/given?
                  must / can’t                                              Are    we/you/they

                 Must and can’t express a logical deduction and refer
                 to the present.                                       Past Simple Passive
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                 •  We use must to express a positive deduction.                      AFFIRMATIVE
                  John has been working all day. He must be tired.
                                                                             I/He/She/It  was
                 •  We use can’t to express a negative deduction.           We/You/They   were   called/given
                  Sue can’t be at home. I saw her at the bus stop  ive
                  minutes ago.                                                         NEGATIVE

                                                                            I/He/She/It  wasn’t   called/given
                Module 6                                                   We/You/They   weren’t

                  Passive Voice                                                        QUESTIONS

                 Use                                                        Was     I/he/she/it  called/given?
                 We use the Passive Voice to emphasise the action rather    Were   we/you/they
                 than who or what is responsible for it.
                 Formation
                 The Passive Voice is formed with the verb be in the   Present Perfect Simple Passive
                 appropriate form and the past participle of the main verb.           AFFIRMATIVE
                                                                          I/You/We/They have been  called/given
                                     NOTE                                   He/She/It    has been

                  The person who causes or carries out the action is                   NEGATIVE
                  called an agent and is preceded by the preposition by.
                  We usually omit the agent:                            I/You/We/They  haven’t been  called/given
                  • when the action interests us more than the agent.     He/She/It     hasn’t been
                  • when we don’t know the agent.
                  • when it is easy to  igure out who the agent is.                    QUESTIONS
                   My  iles were deleted.                                Have   I/you/we/they
                   (by someone who we do not know)                        Has     he/she/it   been called/given?
                    BMW cars are made in Germany. (by factory workers)

                                                                     Future will Passive
                   ACTIVE VOICE    SUBJECT    VERB     OBJECT
                                     Vicky           wrote        a letter.           AFFIRMATIVE
                                                                            I/He/She/It
                                                                           We/You/They    will be called/given
                   PASSIVE VOICE   SUBJECT    VERB     AGENT
                                    A letter     was written    by Vicky.              NEGATIVE

                                                                            I/He/She/It
                                                                           We/You/They   won’t be called/given

                                                                                       QUESTIONS

                                                                                  I/he/she/it
                                                                           Will                be called/given?
                                                                                 we/you/they
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