09.10.2012:

Prepositions of Time

In, at, on and no preposition with time words:

Prepositions of time - here's a list of the time words that need 'on', 'in', 'at' and some that don't need any preposition. Be careful - many students of English use 'on' with months (it should be 'in'), or put a preposition before 'next' when we don't need one.

at	·                     times: at 8pm, at midnight, at 6:30 ·                     holiday periods: at Christmas, at Easter ·                     at night ·                     at the weekend ·                     at lunchtime, at dinnertime, at breakfast time
on	·                     days: on Monday, on my birthday, on Christmas Day ·                     days + morning / afternoon / evening / night: on Tuesday morning ·                     dates: on the 20th of June
in	·                     years: in 1992, in 2006 ·                     months: in December, in June ·                     decades: in the sixties, in the 1790s ·                     centuries: in the 19th century ·                     seasons: in winter, in summer ·                     in the morning, in the afternoon, in the evening
no prep	·                     next week, year, month etc ·                     last night, year etc ·                     this morning, month etc ·                     every day, night, years etc ·                     today, tomorrow, yesterday