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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 that long
Grammar usage guide and real-world examplesUSAGE SUMMARY
"for that long" is correct and usable in written English.
You can use it when referring to a specific duration of time. For example: She hadn't seen him for that long; he had been away on a business trip for six months.
✓ Grammatically correct
News & Media
Academia
Alternative expressions(19)
for such a long time
for that duration
during that period
for that extensive period
during that length of time
for that prolonged period
throughout that time
for that distant
for that rigid
for that acquisition
for that lang
for that length
for that enduring
for that greater
for that long term
for that longevity
for that purchase
for that price
for that sale
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
59 human-written examples
(They probably wouldn't play for that long).
News & Media
It was that good, for that long.
News & Media
I couldn't stay focused for that long".
News & Media
I can't stand him for that long".
News & Media
I stay underwater for that long, too.
News & Media
He didn't try for that long.
News & Media
And they haven't been around for that long.
Academia
I don't want to leave my family for that long'".
News & Media
Nobody deserves to be in prison for that long".
News & Media
(Not even NBC would tape delay it for that long).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Will he reunite with Arnold for that long-awaited sequel to Twins?
News & Media
Expert writing Tips
Best practice
Use "for that long" to refer back to a previously mentioned period of time to avoid repetition and maintain clarity in your writing. For example, "The meeting was scheduled for an hour, but it didn't last "for that long"."
Common error
Avoid using "for that long" without a clear prior reference to the duration you're discussing. Ensure the reader knows what specific period you're referring to; otherwise, the phrase becomes vague and confusing.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for that long" functions as an adverbial phrase modifying a verb or clause, indicating the duration of an action or state. Ludwig AI confirms this is correct and usable in written English.
Frequent in
News & Media
78%
Academia
10%
Wiki
3%
Less common in
Science
3%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "for that long" functions as an adverbial phrase to specify a duration, and it is deemed grammatically correct by Ludwig AI. It is very common in the English language, particularly in news and media, as well as academic contexts. When using this phrase, ensure there is a clear reference to the duration being discussed to avoid ambiguity. Consider alternatives like "for such a long time" or "during that period" for stylistic variation. Keep in mind, it is important to ensure correct usage and to not overuse it.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for such a long time
Emphasizes the extended duration using "such", adding a degree of surprise or incredulity.
for that duration
Replaces "long" with the more formal "duration", focusing on a specific period.
for that extensive period
Uses "extensive period" to highlight the length of time.
during that length of time
Emphasizes the temporal dimension with "length of time."
for that prolonged period
Replaces "long" with "prolonged", suggesting an unexpectedly extended duration.
throughout that time
Shifts the focus to the continuous aspect of the duration.
for the entirety of that time
Highlights that the action or state lasted the complete duration.
over that extended time frame
Emphasizes a broader perspective on the duration, using "time frame".
for that significant length
Substitutes "long" with "significant length", emphasizing importance rather than just duration.
for that considerable time span
Uses "considerable time span" to stress the substantial nature of the duration.
FAQs
How can I use "for that long" in a sentence?
Use "for that long" to refer to a specific duration of time that has already been mentioned or is understood in the context. For example, "I didn't think I could concentrate "for that long", but the presentation was surprisingly engaging."
What are some alternatives to saying "for that long"?
You can use phrases like "for such a long time", "for that duration", or "during that period" to convey a similar meaning while varying your language.
Is it grammatically correct to say "for that long"?
Yes, it is grammatically correct. The phrase is a common and acceptable way to refer to a specific duration of time, as long as the context makes the reference clear.
What's the difference between "for that long" and "for so long"?
"For that long" refers to a specific duration that's already been mentioned, while "for so long" indicates a duration that is perceived as surprisingly long or excessive in the given context.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested