has improved since

USAGE SUMMARY

The phrase "has improved since" is correct and usable in written English.
You can use it to indicate that something has shown progress or enhancement from a specific point in time up to the present. Example: "The team's performance has improved since the new training program was implemented."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

Nothing has improved since.

The Guardian

Kansas has improved since then.

The New York Times

Kaun's play has improved since her arrival.

The New York Times - Sports

But radiation therapy has improved since then.

The New York Times - Health

His condition has improved since then.

The New York Times

Service, she said, has improved since then.

The New York Times

Thankfully, competition has improved since then.

The Guardian - Sport

And he has improved since then.

The Guardian - Sport

The technology has improved since days of vascular yore.

The Guardian - Lifestyle

Neither the corner nor the Koolhaas has improved since then.

The New York Times

"His quality of life has improved since Day 1".

The New York Times

Expert writing Tips

Best practice

When using "has improved since", ensure you clearly specify the point in time or event from which the improvement is measured to provide context.

Common error

Avoid using "has improved since" without a specific reference point. Instead of saying "The product has improved since", provide context: "The product "has improved since" the last update".

Linguistic Context

The phrase "has improved since" functions as a verb phrase indicating a change or progression from a previous state. It asserts that something is now in a better condition compared to a specified past time. As Ludwig AI explains, it is perfectly correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

57%

Science

21%

Formal & Business

7%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "has improved since" is a grammatically sound and frequently used expression to indicate positive changes from a past reference point. As Ludwig AI indicates, it is correct and easily understood. It's versatile, appearing in news, science, and business contexts. When using "has improved since", ensure a specific timeframe is included to avoid ambiguity. Some alternatives include "has gotten better since" and "has progressed since". Be aware of a tendency for people to use it without a solid reference point. Remember that "has improved since" is most effective when the context makes the time of improvement very clear.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has gotten better since

Uses a more informal verb ("gotten") to convey the same meaning of improvement.

has progressed since

Emphasizes forward movement and development.

has advanced since

Highlights the concept of moving forward to a better state.

has evolved since

Suggests a gradual process of development and change.

has flourished since

Implies a thriving or successful improvement.

has ameliorated since

Uses a more formal term ("ameliorated") to describe the improvement.

has turned around since

Indicates a significant change from a negative situation to a positive one.

has reformed since

Implies a structured or systemic improvement.

has corrected itself since

Implies self-correction, auto adjustment or fixing something without external intervention.

has restored since

Suggests an improvement through a process of rebuilding, or reinstating to a better situation.

FAQs

How to use "has improved since" in a sentence?

Use "has improved since" to indicate that something is better now than it was at a specific time in the past. For example, "Her health "has improved since" she started treatment".

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

You can use alternatives like "has gotten better since", "has progressed since", or "has advanced since" depending on the context.

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

"Has improved since" is the grammatically correct form, using the present perfect tense to indicate an ongoing state resulting from a past change. "Improved since" is missing the auxiliary verb "has" and is grammatically incorrect in most contexts.

What's the difference between "has improved since" and "improved after"?

"Has improved since" indicates improvement starting from a specific point and continuing to the present. "Improved after" simply states that an improvement occurred following an event, without necessarily implying a sustained state. For example, "The service "has improved since" the new management took over" versus "The service improved after the staff received additional training".