How To Use 'ago', 'since'

Author: Bob
Updated Date 29/08/2011 12:58:07
Number of views: 590

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How to use 'ago' and 'since' correctly?

Bob - 29/08/2011 14:38:07

Correct:

How long ago was it?

It was 3 days ago.

How long has it been since you saw him?

It has been 3 days.

When did this happen?

Three days ago.

Incorrect:

How long is it ago?

It is 3 days ago.

(we have to use past tense here)

How long was it ago ? (wrong position for 'ago')

It was 3 days ago. (correct answer)

How long has it been ago ? (we can't use ago with present perfect)

It has been days ago.