Posted by Lulu on Tuesday, October 13, 2009 at 10:42am.
"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.
Hy!
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?
thx
I don't know how much more detail you want!!
You can look up each term here, though, and you may find more ideas:
http://www.answers.com
Related Questions
English - Can sbody tell me the differences between travel and tourism? Thanks
English - Pls, if you know the answer, help me! Explain: At a time and by a time...
English - Hello! I need some help with my english homework. we have to compare ...
math - tell wether the event is ibest described as impossible, unlikley, likley ...
physics - how do i make a velocity vs. time graph? i have a graph of ...
math - I have a few question so I will number them off. Please answer them for ...
English - 1. In time, Mr. Fleming's son graduated from a top medical school ...
math - in what time a certain sum will become 3 1/4 time at 5%?
bio - are blood pressures have differences between genders?explain your answer...
maths - At a certain time of the day a post, 4m tall, casts a shadow of 1.8m. ...
For Further Reading
