1、,PREPOSITIONS OF TIME: AT, IN, ON,We use:,at for a PRECISE TIMEI have a meeting at 9am. The shop closes at midnight. Jane went home at lunchtime.,We use:,in for MONTHS, YEARS, CENTURIES and LONG PERIODS.In England, it often snows in December. Do you think we will go to Jupiter in the future? There s
2、hould be a lot of progress in the next century.,We use:,on for DAYS and DATESDo you work on Mondays? Her birthday is on 20 November. Where will you be on New Years Day?,Notice the use of the preposition of time at in the following standard expressions:,Prepositions of time,Notice the use of the prep
3、ositions of time in and on in these common expressions:,When we say last, next, every, this we do not also use at, in, on.,I went to London last June. (not in last June) Hes coming back next Tuesday. (not on next Tuesday) I go home every Easter. (not at every Easter) Well call you this evening. (not in this evening),Remember:,in for larger periods of time. on for small periods of time . at for precise periods of time .,
