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
CEO of Professional Science Editing for Scientists @ prosciediting.com
had been ailing
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had been ailing" is correct and usable in written English.
It can be used to describe someone or something that has been suffering from a health issue or problem over a period of time in the past. Example: "The old man had been ailing for several months before he finally sought medical help."
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
30 human-written examples
Turner had been ailing and suffered from advanced emphysema.
News & Media
The ministry said Mr. Linh, who had been ailing for several years, had died of liver cancer.
News & Media
She had been ailing for several months, said George O'Brien, a friend, and died at New York Weill Cornell Center.
News & Media
Prince Saud had been ailing for years, but his clout, contacts, and credibility continued to make him one of the world's most powerful voices on international affairs.
News & Media
One of the children had been ailing with swollen glands when it arrived, and two or three quick doses of "les vitamines Puritan" had fixed him up.
News & Media
But that night Nadal stunned Federer, who had been ailing leading up to the tournament, dismantling him, 6-3, 6-3, in 69 minutes.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
Steinbrenner has been ailing and nearly reclusive.
News & Media
Narrator sees the local psychiatrist who has been ailing.
News & Media
The tourism industry here has been ailing and has laid off thousands of workers.
News & Media
The Thai situation seems different, now that the king, who is 82, has been ailing.
News & Media
He may have been ailing in body but was as sharp as ever in mind.
News & Media
Expert writing Tips
Best practice
When using "had been ailing", ensure the context clearly establishes the period of illness prior to a specific event or time. For example, "She had been ailing for months before the surgery."
Common error
Avoid using "had been ailing" when referring to a present or future condition. Instead, use "is ailing" or "will be ailing" respectively.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been ailing" functions as a past perfect continuous verb phrase, indicating a prolonged state of illness or poor health that occurred before a specific point in the past. Ludwig provides numerous examples where this phrase describes someone's condition prior to an event, like death or medical intervention.
Frequent in
News & Media
75%
Science
15%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "had been ailing" is a common and grammatically sound phrase used to describe a state of prolonged illness before a specific point in the past. According to Ludwig, this phrase appears frequently in news and media contexts to provide background information about someone's health. While various alternatives exist, such as "had been unwell" or "had been suffering", the key is to ensure the correct tense usage to maintain clarity. The Ludwig AI confirms that the phrase is correct and usable in written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
had been unwell
Replaces "ailing" with a more general term for not being in good health.
had been sick
A simpler, more common way to express illness.
had been in poor health
More formal and explicit about the state of health.
had been suffering
Emphasizes the experience of discomfort or distress due to illness.
had been declining
Focuses on the gradual deterioration of health or condition.
had been failing
Indicates a weakening state of health, often suggesting a terminal condition.
had been weakening
Focuses on the loss of strength or vitality over time.
had been under the weather
An idiomatic expression for feeling unwell.
had been indisposed
A more formal and somewhat euphemistic way of saying someone was unwell.
had been infirm
Implies weakness or feebleness, especially due to old age.
FAQs
What does "had been ailing" mean?
The phrase "had been ailing" describes a state of poor health or illness that existed for a period of time in the past before a specific event or point in time. It implies a continuous or repeated experience of sickness.
What are some alternatives to "had been ailing"?
You can use alternatives such as "had been unwell", "had been in poor health", or "had been suffering" depending on the context.
How do I use "had been ailing" in a sentence?
Use "had been ailing" to describe someone or something that experienced a period of ill health before a particular event. For example, "The patient had been ailing for several weeks before seeking medical attention."
Is it correct to say "has been ailing" instead of "had been ailing"?
While both are grammatically correct, "has been ailing" refers to a condition that started in the past and continues to the present. "Had been ailing" refers to a past condition that ended before another point in the past.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested