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
for two generations
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for two generations" is correct and usable in written English.
It can be used to indicate a time span or duration that covers two generations, often in discussions about family, history, or societal changes. Example: "The family business has been passed down for two generations, adapting to the changing market over the years."
✓ 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
60 human-written examples
The Obama campaign generated an outpouring of civic energy not witnessed in the United States for two generations.
News & Media
"Then nobody touched language for two generations.
News & Media
Farrakhan has been wielding major political influence for two generations.
News & Media
The Greatest Generation dominated politics for two generations.
News & Media
Latin has been getting abolished now for two generations".
News & Media
Western Europe was unified for two generations by a fear of the Soviet Union.
News & Media
The name alone meant royalty in Nassau County for two generations.
News & Media
But there's been no coherent anti-EU Conservative economic strategy for two generations.
News & Media
For two generations too many people have been belittling the things that made this country.
News & Media
His family has ruled the area, in central western Nigeria, for two generations.
News & Media
For two generations Britain has relied on the "special relationship," which is now defunct.
News & Media
Expert writing Tips
Best practice
When using "for two generations", ensure the context clearly defines what constitutes a generation in your specific field (e.g., a typical human lifespan, a breeding cycle in biology).
Common error
Avoid assuming a fixed length for a generation. While commonly estimated at 25-30 years for humans, this can vary significantly based on context and cultural norms. Always clarify the approximate timeframe if precision is needed.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for two generations" primarily functions as an adverbial phrase modifying a verb, indicating the duration or extent of an action or state. Ludwig AI provides numerous examples where this phrase is used to specify how long something has lasted or been in effect.
Frequent in
News & Media
51%
Science
38%
Formal & Business
4%
Less common in
Wiki
3%
Academia
2%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "for two generations" is a common and grammatically correct way to indicate a time span covering approximately 50-60 years. As Ludwig AI confirms, it appears frequently in news, scientific articles, and other contexts to provide temporal depth. While largely interchangeable with alternatives like "spanning two generations", it's crucial to consider the context to ensure accuracy, especially given the variable length of a generation. When writing, remember that precise timeframe is important when using the phrase "for two generations".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for the duration of two generations
Emphasizes the total extent of the period.
spanning two generations
Focuses on the act of covering a period encompassing two generations.
over a 60-year period
Replaces the generational term with a specific timeframe approximation.
across two generational cycles
Emphasizes the cyclical nature of generations and their passing.
lasting two generations
Highlights the duration or continuation throughout the period.
for approximately half a century
Provides an alternative timeframe using a different unit of measurement.
in a period of sixty years
Breaks down the generational timeframe into a specific number of years.
through two family lines
Highlights the familial aspect and the passing of time through lineages.
covering two life spans
Uses the concept of individual lifespans to represent the generational timeframe.
during a sixty-year stretch
Replaces 'generation' with a 'stretch' of a specific time frame.
FAQs
How can I use "for two generations" in a sentence?
You can use "for two generations" to describe a period of time that spans approximately 50-60 years, often in the context of family history, cultural shifts, or long-term trends. For example, "The family business has thrived "for two generations"."
What are some alternatives to saying "for two generations"?
Alternatives include phrases like "spanning two generations", "over a 60-year period", or "across two generational cycles", depending on the specific nuance you want to convey.
Is it more accurate to say "over two generations" or "for two generations"?
Both "over two generations" and "for two generations" are grammatically correct and generally interchangeable. The choice often depends on stylistic preference. "For two generations" emphasizes duration, while "over two generations" focuses on the passage of time.
How long is "two generations" in terms of years?
While a generation is typically estimated at around 25-30 years, "two generations" roughly equates to 50-60 years. However, the exact length can vary, so it's best to provide more specific context if precision is important.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested