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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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ago

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "ago" is correct and usable in written English.
It is typically used to indicate a time in the past relative to the present moment. Example: "I visited Paris three years ago."

✓ Grammatically correct

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

"It's only what happened a couple of weeks ago or next week that matters.

Forbes ranks it as the second-largest private company in the country, after Cargill, and its consistent profitability has made David and Charles Koch—who, years ago, bought out two other brothers—among the richest men in America.

News & Media

The Economist

"A long time ago".

News & Media

The New York Times

That was three years ago".

News & Media

The New York Times

"That was 60 years ago".

News & Media

The New York Times

This is the stain on our soul that prime minister Keating so movingly evoked at Redfern 21 years ago.

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Human-verified similar examples from authoritative sources

Similar Expressions

11 human-written examples

What happened four months ago is forgotten, whether that's good, bad or indifferent.

"They gave me their word a year ago and now I want them to honour that.

"Five years ago I stood here and said we had made history here in Brighton," Lucas said to loud cheers inside the Brighton Centre conference venue.

News & Media

The Guardian

Pattinson had a rather different experience with Skins than he did with ITV1 family drama Wild at Heart, which was remade for the CW Network in the US – renamed Life Is Wild – four years ago.

News & Media

The Guardian

The sister of Troy Davis, the man whose execution a year ago amid substantial evidence that he was innocent sparked protests across the US and the world, has vowed to keep on fighting until the death penalty is ended "one state at a time".

News & Media

The Guardian
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Expert writing Tips

Best practice

When using "ago", ensure it clearly refers to a point in the past relative to the current time of reference. Avoid ambiguity by specifying the time period (e.g., "three years ago", not just "ago").

Common error

Avoid using "ago" with future tenses. "Ago" always refers to a completed time in the past. For example, it is incorrect to say "I will see him a week ago". Instead, say "I saw him a week ago".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

96%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The word "ago" functions as a postposition, indicating a duration of time prior to the present moment. This is supported by Ludwig's examples, which consistently show "ago" following a time period to specify when something occurred in the past. For instance, "ten years ago" or "a few weeks ago".

Expression frequency: Very common

Frequent in

News & Media

70%

Formal & Business

15%

Science

5%

Less common in

Encyclopedias

3%

Wiki

3%

Reference

4%

Ludwig's WRAP-UP

In summary, "ago" is a versatile postposition used to denote a time in the past relative to the present. As Ludwig AI confirms, its grammatical function is correct, and it sees very common usage across diverse contexts like News & Media and Formal writing. When using "ago", make sure to specify a clear time period, and avoid incorrect tense pairings. Alternatives like "in the past" or "previously" can offer variety, but "ago" remains a straightforward and effective choice for expressing past time frames.

FAQs

How do I use "ago" in a sentence?

Use "ago" after a period of time to indicate how far in the past something occurred. For example, "I graduated five years ago" or "The dinosaurs died out millions of years ago".

What can I say instead of "ago"?

You can use alternatives like "in the past", "previously", or "earlier" depending on the specific context.

Is it correct to say "a long time ago" or "long time ago"?

"A long time ago" is the correct and more common phrasing. The article "a" is needed for grammatical accuracy. Saying "long time ago" is grammatically incorrect and should be avoided.

What's the difference between "before" and "ago"?

"Before" is used to indicate a point in time relative to another point in time, while "ago" indicates a duration relative to the present. For example, "I had seen that movie before I read the book," but "I saw that movie five years ago".

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Authority and reliability

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Real-world application tested

Most frequent sentences: