PREPOSITIONS OF TIME - IN, ON, AT

1. IN
• MONTHS- They will come in August.
• YEARS- Next Olympic Games will take place in 2016
• SEASONS- We play outside in spring and in summer.
• PARTS OF THE DAY- in the morning, in the afternoon, in the evening BUT we say”at night”.
• EXPRESSING THE TIME BEFORE A PARTICULAR ACTION TAKES PLACE- We will finish in two minutes. / They will come in two weeks.

2. ON
• HOLYDAYS (specific days) – on Christmas day
• WEEKDAYS- on Monday, on Tuesday, on Wednesday, etc.
• ON SPECIFIC DAYS (regardless of the expression including the month and the year) – on Monday 15 January 2012. / on the 14^th of May.

3. AT
• SPECIFIC TIME OF THE DAY- at a quarter to three, at seven o’clock, etc.
• HOLYDAYS (in general) – at Easter, at Christmas
• FIXED TIME EXPRESSIONS- at the end of the week / at the same time / at that particular time / at the moment