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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
how long it lasts
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "how long it lasts" is correct and can be used in written English.
You can use it to ask a question like: "I wonder how long it lasts". You can also use it in a more general sense to refer to the duration of something, like: "I can't believe how long it lasts for".
✓ Grammatically correct
News & Media
Academia
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
Its critical characteristics — how long it lasts, how frequently it returns — fluctuate, but eventually drought ends.
News & Media
Time will tell how long it lasts.
News & Media
We'll see how long it lasts".
News & Media
Sinusitis is classified by how long it lasts.
Academia
A sunscreen's SPF doesn't correlate to how long it lasts.
News & Media
Not even princes or princesses can make it happen, or control how long it lasts.
News & Media
We'll kick it off in February 2016, and see how long it lasts!
It is not known how long it lasts, Dr. Young said.
News & Media
"The long-term impact on the economy will depend on how long it lasts.
News & Media
How overpowering it is, how long it lasts, how much you suffer because of it".
News & Media
Much will depend on how long it lasts and whether it damages the economy.
News & Media
Expert writing Tips
Best practice
When discussing the lifespan or durability of a product, use "how long it lasts" to inform consumers about its value and longevity. For example, 'Consider the warranty to understand how long it lasts under normal use.'
Common error
Avoid using "how long it lasts" when referring to a fixed deadline or a specific appointment. Instead, use phrases like "how long it takes" or "the duration of" to maintain clarity and precision.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "how long it lasts" functions as a relative clause, often used as an embedded question or within a declarative statement to inquire about or specify the duration of something. As supported by Ludwig, it's a grammatically sound and common construction.
Frequent in
News & Media
55%
Academia
20%
Science
15%
Less common in
Wiki
5%
Encyclopedias
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "how long it lasts" is a grammatically correct and very common phrase used to inquire about the duration of something. As Ludwig AI confirms, it’s suitable for a broad range of contexts, especially within news, academic, and scientific domains. The phrase functions as a relative clause, often embedded within questions or statements. While perfectly acceptable, you can use alternatives like "how long it continues" or "what is its duration" to add variety to your writing. Remember to consider the context; avoid using it for fixed deadlines, where "how long it takes" might be more appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
how long it continues
Replaces "lasts" with "continues", emphasizing the ongoing nature of the duration.
how long it stays
Emphasizes the persistence or remaining of something over a period.
how long it remains
Similar to "how long it stays", highlighting the act of remaining in a particular state or place.
how long it takes
Shifts the focus to the time required for something to complete, rather than its duration.
how long it lingers
Suggests a gradual fading or continuation, often used for intangible things like feelings or memories.
how long it persists
Emphasizes the continued existence or occurrence despite potential obstacles.
how long it extends
Focuses on the length of reach or scope over a period.
how long it survives
Highlights the ability of something to persist or live through a period.
what its duration is
Transforms the question into a statement about finding the length of something.
for what duration it will be
Focuses on predicting or planning the amount of time something is expected to last.
FAQs
What can I say instead of "how long it lasts"?
You can use alternatives like "how long it continues", "how long it takes", or "what is its duration" depending on the context.
Is "how long it lasts" grammatically correct?
Yes, "how long it lasts" is grammatically correct and commonly used in both spoken and written English to inquire about the duration of something. According to Ludwig, this phrase is perfectly acceptable.
How do I use "how long it lasts" in a sentence?
You can use "how long it lasts" in a sentence to ask about the duration of an event, the lifespan of an object, or the persistence of a condition. For example, "I wonder how long the effect of the medicine lasts."
What's the difference between "how long it lasts" and "how long does it last"?
"How long it lasts" is typically used in embedded questions or statements, while "how long does it last" is used for direct questions. For example, "I'm not sure how long it lasts" versus "How long does it last?"
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested