شرح حروف الجر at, in, on

Look at these examples:

• I have a meeting at 9am.
  
• The shop closes at midnight.
  
• Jane went home at lunchtime.
  
• In England, it often snows in December.
  
• Do you think we will go to Jupiter in the future?
  
• There should be a lot of progress in the next century.
  
• Do you work on Mondays?
  
• Her birthday is on 20 November.
  
• Where will you be on New Year's Day?
  

Notice the use of the preposition of time at in the following standard expressions:Example

Notice the use of the prepositions 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)
  
• He's coming back next Tuesday. (not on next Tuesday)
  
• I go home every Easter. (not at every Easter)
  
• We'll call you this evening. (not in this evening)
  

Prepositions of Place: at, in, on

In general, we use:

• at for a POINT
  
• in for an ENCLOSED SPACE
  
• on for a SURFACE
  

Look at these examples:

• Jane is waiting for you at the bus stop.
  
• The shop is at the end of the street.
  
• My plane stopped at Dubai and Hanoi and arrived in Bangkok two hours late.
  
• When will you arrive at the office?
  
• Do you work in an office?
  
• I have a meeting in New York.
  
• Do you live in Japan?
  
• Jupiter is in the Solar System.
  
• The author's name is on the cover of the book.
  
• There are no prices on this menu.
  
• You are standing on my foot.
  
• There was a "no smoking" sign on the wall.
  
• I live on the 7th floor at 21 Oxford Street in London.
  

Notice the use of the prepositions of place at, in and on in these standard expressions: