Pls, if you know the answer, help me!

Question

Explain: At a time and by a time.....

with examples, and deffinition or explanation.

thank you

xoxo

Answer 1

At a time means that something is happening at a specific time.

At a time when everyone is angry, I try to be calm.

Children, please take only one piece of candy at a time.

People who worry about the future should take one day at a time.

The phrase by a time is not widely used. We might say, though,

By the time you read this the sun will have set.

Answer 2

http://www.jiskha.com/display.cgi?id=1255444968

http://www.jiskha.com/display.cgi?id=1255446064