At Indicating precise / specific periods of time In Indicating long, indefinite periods of time The time: at o’clock Months: in January Holidays: at Christmas Seasons: in Spring - Autumn at Easter Years: in 1996 at the weekend Centuries: in the 21st century In the Expressions; On Indicating days, dates or Part of a particular day Days: on Monday on New Year’s Eve / Day Dates: on May the 6th on 21st of January Part of a particular day In the Expressions; at the moment - at present in a minute - in an hour on Saturday evenings at noon – at night – at midnight in a day – a week – a year on Monday mornings at dawn – at sunset in the morning / the evening on holidays - on a cold rainy day at lunchtime in the past – in the future on my birthday Exercises; use in / on / at to fill in the blank spaces Shakespeare was born …………… 1564 ……………… th 26 of April and died ………… 1616 I have an important job interview …………… 9am ……………… Monday morning The stars shine brightly …………… night …………… Summer Jack is not here …………… the moment He said he would be back …………… an hour The shops close ……………… midnight and open ………………… 10am ………………… the morning I don't usually work ………………… weekends so I don’t have to get up early as I …………… weekdays Many people visit their families ……………… 12 I hope the doctors will find a cure for cancer …………… the near future 13 Many people used to die from contagious diseases like Tuberculosis ……………… the past 14 Children be patient, supper will be ready …………… a few minutes 15 There are five candidates for the job ……………… present 16 Jenny has gone to stay with her parents She says, she will be back ……………… a week or two 17 Jane usually has a sandwich an apple ………………… lunchtime 18 Many people used to jump into the fountain Christmas and have lunch together ……………… ……………… New Year’s Eve ……………… 12 o’clock Christmas day ……………… Trafalgar Square Scientist think that Global warming will get worse ………………… the next century In England, people wish for snow …………………… December, specially ……………… Christmas 10 It is terrible to go to work early ………………… the morning ……………… a cold rainy day 11 The meeting is ……………… Tuesday ……………… nine o’clock ………………… the morning 19 My mother says that I was born ……………… Istanbul ……………… August the 26th ………………… o'clock ………………… the morning 20 We took the test ………………… the same time but he finished it ………………… an hour 21 Schools start ……………… September and ends ………………… June in Turkey 22 Isn’t the scenery beautiful here ……… sunset 5 Shakespeare was born IN 1564 ON 26th of April and died IN 1616 I have an important job interview AT 9am ON Monday morning The stars shine brightly AT night IN Summer Jack is not here AT the moment He said he would be back IN an hour The shops close AT midnight and open AT 10am IN the morning I don't usually work AT weekends so I don’t have to get up early as I ON weekdays Many people visit their families AT Christmas and have lunch together ON Christmas day Scientist think that Global warming will get worse IN the next century In England, people wish for snow IN December, specially AT Christmas 10 It is terrible to go to work early IN the morning ON a cold rainy day 11 The meeting is ON Tuesday AT nine o’clock IN the morning 12 I hope the doctors will find a cure for cancer IN the near future 13 Many people used to die from contagious diseases like Tuberculosis IN the past 14 Children be patient, supper will be ready IN a few minutes 15 There are five candidates for the job AT present 16 Jenny has gone to stay with her parents She says, she will be back IN a week or two 17 Jane usually has a sandwich an apple AT lunchtime 18 Many people used to jump into the fountain ON New Year’s Eve AT 12 o’clock AT Trafalgar Square 19 My mother says that I was born IN Istanbul ON August the 26th AT o'clock IN the morning 20 We took the test AT the same time but he finished it IN an hour 21 Schools start IN September and ends IN June in Turkey 22 Isn’t the scenery beautiful here AT sunset