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
In past decades
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "In past decades" is correct and usable in written English.
It can be used to refer to a time period that is in the past but is not too distant in the past. For example, "In past decades, the use of technology in schools has increased rapidly."
✓ 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
34 human-written examples
In past decades they focused on working with African governments to defeat poachers.
News & Media
In past decades, this "double gearing" provided cheap capital that fueled the economy's rise.
News & Media
In past decades such weather might have spelled doom for the year's vintage.
News & Media
In past decades, the rival Examiner was sometimes seen as a more serious paper.
News & Media
In past decades, soft magnetic films have been applied in information storage technology and sensors.
Science
In past decades, the optimal control of distributed parameter system had received much attention in the academic field.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
Literature, for instance, has been irrevocably diminished in past decades.
News & Media
America has lobbied Europe repeatedly in past decades to be more welcoming to Turkey.
News & Media
Grenada and Belize sold citizenship widely and unwisely in past decades.
News & Media
"[They] aren't any stronger than similar claims made in past decades," Bloomberg reported him as saying.
News & Media
Attempts to banish irony have come and gone in past decades.
News & Media
Expert writing Tips
Best practice
When using "in past decades", ensure the context clearly indicates the specific timeframe you are referencing. Provide specific examples or data points when possible to strengthen your statement.
Common error
Avoid using "in past decades" when the context actually refers to the more distant past (e.g. centuries). Choose a more appropriate phrase like "in past centuries" or "historically" instead.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "In past decades" functions as an adverbial phrase modifying a verb or clause. According to Ludwig AI, it sets a temporal context, indicating when an action or state occurred.
Frequent in
Science
33%
News & Media
54%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "In past decades" is a grammatically sound and frequently used adverbial phrase that functions to establish a timeframe. As Ludwig AI confirms, it's widely used across various contexts, especially in news, media, and scientific writing. The phrase provides a temporal anchor, helping readers understand the context of changes or trends over the recent past. To ensure clarity, provide specific details or examples related to the timeframe.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
In recent decades
Replaces "past" with "recent", emphasizing the nearness of the timeframe.
In previous decades
Substitutes "past" with "previous", indicating an earlier period.
In former decades
Uses "former" instead of "past", suggesting a period that preceded the present.
In the last few decades
Adds "the last few" for a slightly more specific timeframe.
Over the past decades
Replaces "in" with "over", shifting the focus to a period of duration.
During the past decades
Similar to "over the past decades", emphasizing the time period during which something occurred.
For the past few decades
Highlights the duration of the time period.
In preceding decades
A more formal substitute for "in previous decades."
In the decades gone by
A more descriptive and slightly more literary way of saying "in past decades."
In years gone by
A more general timeframe that can include or exclude decades.
FAQs
How can I use "In past decades" in a sentence?
"In past decades" is typically used to set a timeframe for a trend or change. For example, "In past decades, renewable energy sources have become increasingly popular".
What are some alternatives to "In past decades"?
Alternatives include "in recent decades", "in previous decades", or "over the past decades". The best choice depends on the specific nuance you want to convey.
Is it more appropriate to say "In past decades" or "During past decades"?
"In past decades" is more common and natural-sounding. "During past decades" is grammatically correct, but less frequently used.
How does "In past decades" differ from "In the last decade"?
"In past decades" refers to a period encompassing multiple decades, while "In the last decade" refers specifically to the most recent ten-year period.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested