Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

an good

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an good" is not correct in written English.
It should be "a good" instead, as "good" begins with a consonant sound. Example: "She is a good friend who always supports me."

⚠ May contain grammatical issues

Human-verified examples from authoritative sources

Exact Expressions

35 human-written examples

We had some good opportunities ourselves an good have scored ourselves late on.

News & Media

Independent

The molecularly imprinted polymers (MIPs) showed an good affinity towards PYR with binding capacity (Qmax) of 18.33 mg/g.

As more and more underground car parks are built in the city, it is important to design an good fire protection system.

Most of us would find an good excuse to avoid sitting through a friend's wedding DVD, but this film of an Indian/French couple who marry in Pune, near Mumbai, manages to be both watchable and uplifting.

Electrochemical tests show a specific capacitance as high as 1737 F/g at 2.5 mandm2, and an good cycling stability demonstrated by a 87.3% capacitance retention after 2000 cycles at a current of 7.5 mA/cm2.

(C) relating to service by members an good standing of the bar of the highest court of one of the two or more States where the area involved is under the administration of the National Park Service, the United States Fish and Wildlife Service, or any other Federal agency that extends to two or more States.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

25 human-written examples

"A good guy and a good lawyer".

News & Media

The New York Times

A good festival augurs a good year.

News & Media

The New York Times

A good fight's a good fight.

"A good story is a good story".

A good employee deserves a good reference.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Always use the article "a" before words that begin with a consonant sound, and "an" before words that begin with a vowel sound. The correct phrase is "a good".

Common error

Avoid using "an" before words starting with consonant sounds. Using "an good" is a common error; remember to use "a good" instead.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

60%

Authority and reliability

1.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an good" is grammatically incorrect. The correct form is "a good". Ludwig AI confirms this is an error, indicating that "a" should be used before words starting with a consonant sound.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "an good" is grammatically incorrect. As Ludwig AI points out, the correct article to use before the word "good" is "a" because "good" begins with a consonant sound. Using "an good" indicates a grammatical error and should be avoided in both written and spoken English. Instead, use the correct phrase "a good" or consider alternatives like "a fine" or "an excellent" depending on the context to ensure grammatical accuracy.

FAQs

Why is "an good" grammatically incorrect?

The article "an" is used before words that begin with a vowel sound. Since "good" starts with a consonant sound (/g/), the correct article to use is "a". Therefore, the proper phrase is "a good".

What are some alternatives to the incorrect phrase "an good"?

The correct phrase is "a good". Depending on the context, you could also use alternatives such as "a fine" or "an excellent".

How do I remember when to use "a" versus "an"?

Use "a" before words that start with a consonant sound (e.g., a cat, a dog, a good book). Use "an" before words that start with a vowel sound (e.g., an apple, an egg, an excellent idea).

Is there ever a situation where "an" is used before the letter "h"?

Yes, "an" is used before words that begin with a silent "h", such as "an hour" or "an honest person". However, "good" does not have a silent "h", so the correct article is always "a good".

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

60%

Authority and reliability

1.5/5

Expert rating

Real-world application tested

Most frequent sentences: