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Hello everybody!

Can sbody tell me the differences between: at a certain time
and by a certain time?

Pls, i have to explain it to tho class tomorrow!

  • English -

    "at a certain time" = at one specific time, such as 1:00 p.m., October 13, 2009

    "by a certain time" = any time between now and some named time. Another way to say this is at or before 1:00 p.m., October 13, 2009.

  • English -

    i almost forgot it! i have to write 2 or 3 example sentences as well. can sbody explain me the meanings of these two a littlebit more detailed?


  • English -

    I don't know how much more detail you want!!

    You can look up each term here, though, and you may find more ideas:

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