- Thread starter Takahero
- Start date

They both mean the same as a.

The difference between "a" and "every" is best demonstrated inHello.

what is the difference between "a" and "every"?

a.The bus comes once "an" hour.

b.The bus comes once "every" hours.

A: "I had five apples in that bowl, and you have eaten an apple." -> a = one

and

A: "I had five apples in that bowl, and you have eaten every apple." -> every apple = each apple/all apples

a.The bus comes once "an" hour. -> in one hour

b.The bus comes once "every" hour. -> each hour/during all hours

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This looks likeBut for a timetable, "once an hour" is understood to mean "at 2:10/2:25, 3:10/3:25...(etc)".