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1Likes- 14-Sep-2011, 13:42 #1
Junior Member
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- May 2005
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Preposition of Time - I have to work at 9 o'clock.
- i have to work by 9 o'clock.
Could you tell me the difference between "BY" and "AT"?
What we mean when we use BY
and what we mean when we use AT.
- 14-Sep-2011, 14:12 #2
Senior Member
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Teacher Re: Preposition of Time Do you mean to say "I have to start work at/by 9 o'clock"?
- 14-Sep-2011, 16:54 #3
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Re: Preposition of Time We must arrive at 9. -- This means very close to 9 itself. Not 8:30. Not 8:45. Not 9:15. (8:55 is probably okay.)
We must arrive by 9. -- This means that 9 is the very latest you can be there. 8 is okay, 7 is okay, but 9:10 is NOT.I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.
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