has deteriorated since

USAGE SUMMARY

The phrase "has deteriorated since" is correct and usable in written English.
It can be used to indicate that something has worsened or declined over a period of time starting from a specific point in the past. Example: "The condition of the building has deteriorated since the last inspection in 2020."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It has deteriorated since.

The New York Times

The whole relationship has deteriorated since August 2006.

The Economist

Abu Issa's health has deteriorated since his arrest.

The Guardian

The larger issue is the trust between Chevron and Richmond, which has deteriorated since the fire.

The New York Times

Many Baka say their health has deteriorated since being forced from the forest.

The Guardian

Lutsenko's health has deteriorated since his arrest in early 2010, according to his supporters and doctors.

The Guardian

My health has deteriorated since, and I now need help at home.

The Guardian

In Russia, where health status has deteriorated since the late 1960s, asthma is a growing medical and public health problem.

Chest

Venezuela was already a country with rampant crime when he came to power, but the situation has deteriorated since.

Independent

His relationship with the franchise has deteriorated since then and reached a point of no return in the last year.

The New York Times - Sports

The situation has deteriorated since a crackdown on protesters in Andijan in 2005, when government forces shot and killed hundreds.

The New York Times

Expert writing Tips

Best practice

When using "has deteriorated since", clearly specify the reference point in time to provide context and avoid ambiguity. For example, "The patient's health has deteriorated since the surgery".

Common error

Avoid using "has deteriorated since" with the present perfect continuous tense. The correct structure is present perfect simple, as it describes a completed change: "The relationship has deteriorated since the argument", not "The relationship has been deteriorating since the argument."

Linguistic Context

The phrase "has deteriorated since" functions as a temporal marker indicating a change or decline that began at a specific point in the past and continues to the present. Ludwig AI's examples illustrate its role in connecting a past event or time with a current state of decline.

Expression frequency: Very common

Frequent in

News & Media

75%

Science

15%

Formal & Business

5%

Less common in

Academia

3%

Encyclopedias

1%

Wiki

1%

Ludwig's WRAP-UP

In summary, "has deteriorated since" is a common phrase used to describe a decline or worsening condition from a past point to the present. Ludwig AI confirms its grammatical correctness and wide applicability. The phrase is most frequently found in news and media, followed by scientific contexts. When using the phrase, ensure the reference point in time is clear to avoid ambiguity. While "has been deteriorating since" is also acceptable, using "has deteriorated since" is often more concise. Alternatives include "has declined since" and "has worsened since".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has declined since

Replaces "deteriorated" with a more general term for decline.

has worsened since

Uses a stronger term, "worsened", to emphasize the negative change.

has degraded since

Implies a loss of quality or integrity.

has regressed since

Suggests a return to a previous, less developed state.

has fallen since

Emphasizes a drop or decrease in condition or quality.

has slipped since

Implies a gradual decline.

has decayed since

Suggests a gradual process of rotting or decomposition.

has crumbled since

Implies a breakdown or collapse.

has faded since

Suggests a loss of vibrancy or strength.

has waned since

Implies a gradual decrease in power or influence.

FAQs

What does "has deteriorated since" mean?

It means something has worsened or declined in quality, condition, or value from a specific point in the past until now.

What can I say instead of "has deteriorated since"?

You can use alternatives like "has declined since", "has worsened since", or "has degraded since" depending on the context.

Is it correct to say "has been deteriorating since"?

While grammatically acceptable, using the present perfect simple tense, "has deteriorated since", is often more concise and emphasizes the completed change. The continuous form, "has been deteriorating since", suggests a continuous process of decline.

Which is correct, "has deteriorated since" or "deteriorated since"?

"Has deteriorated since" is grammatically correct as it uses the present perfect tense, indicating a change that started in the past and continues to have relevance in the present. "Deteriorated since" is incomplete and requires an auxiliary verb.