PREPOSITION OF TIME
     We use prepositions of time to say when something happens, happened or will happen. The most
        common ones are at, in and on.
               AT                                         IN                                      ON
the times: at 7 o’clock                  months: in March, in April, etc.       days: on Sunday, on Christmas’ day,
holidays: at Christmas                   seasons: in summer, in fall, etc.      on New Year’s day.
            at Easters                   years: in 2015, in 2010, etc.          dates: on June 10th
            at the weekend               centuries: in the 19th century         part of a particular day: on Sunday
in the expressions:                      in the expressions:                    afternoon.
 at the moment, at present,              in the morning, in the afternoon,      adjective + day: on a hot day
at dawn, at noon, at night,              in the evening, in an hour, in a
at midnight                              week, in a minute, in a few days, in
                                         a month, in a year.
            Fill in the gaps with at, on or in.                           Complete the sentences with in, on or at.
      1.    ………Christmas                                            1.    College starts ……9 o’clock ……the morning.
      2.    ………May                                                  2.    I usually go swimming …….Monday.
      3.    ………dawn                                                 3.    I get up …….quarter to nine this morning.
      4.    ………1984                                                 4.    Paul came round ……Saturday morning.
      5.    ………the weekend                                          5.    The children get presents ……. Christmas.
      6.    ………spring                                               6.    They don’t usually go out ……….night.
      7.    ………the 18th century                                     7.    They moved to London ……2005.
      8.    ………8 o’clock                                            8.    Her birthday is ……..24th July.
      9.    ………Saturday                                             9.    The plane leaves…..ten minutes.
      10.   ………the winter                                           10.   I usually work …….. the morning.
      11.   ………Monday evening                                       11.   The weather is nice here ……..the summer.
      12.   ………Christmas Day                                        12.   She always sees her …….. her birthday.
      13.   ………summer                                               13.   He likes getting up late ……..the weekend.
      14.   ………half past ten                                        14.   Carl was asleep……midnight.
      15.   ………June 6th                                             15.   Their family has lunch…….noon.
Put in, at or on.
      1.    I saw Mary ……. Thursday
      2.    The course begins …………8 March and ends……… October
      3.    I´ll be at home ………..Friday morning
      4.    Mr. Jones is busy …………the moment
      5.    Sarah got married…………2000
      6.    We arrived …………5 o’clock …….the morning
      7.    I don’t like going out ………night
      8.    See you ………a few weeks!
      9.    I was born ………….June 16th
      10.   ………….Wednesday morning Paula had an English lesson
      11.   When were you born? ………1999
      12.   Let’s meet……….5:00 and go to the cinema