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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
has become invalid
Grammar usage guide and real-world examplesUSAGE SUMMARY
"has become invalid" is a correct, usable phrase in written English.
You can use this phrase when something has been declared void or is no longer valid. For example, "The warranty has become invalid due to lack of use."
✓ Grammatically correct
Academia
Formal & Business
News & Media
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Ms Atkins abruptly left the board of HealthSouth because it became clear that the unrolling scandal there meant that her Directors' and Officers' (D&O) liability insurance had become invalid.
News & Media
If one or more local constraints are violated, the global top-k set ({mathcal {T}}) may have become invalid.
Science
The United States had the sovereign power to purchase adjacent territory, and the objection to its incorporation, p339 if ever valid, had become invalid because of the Treaty of 1803.
Academia
This pause prevents the congestion window from reacting to congestion losses or the number of dropped packets with a set of parameters which have become invalid on vertical handover.
However, in technically unsuccessful90Y radioembolization, we feel that retrospective tumor dose quantification by 90Y PET may be routinely indicated because the intended tumor doses by predictive dosimetry may have become invalid.
Science
Vanda lives in one — but she's now a mother who is unable to raise her toddler, and she has become an invalid even as her addiction is being treated with methadone.
News & Media
Vanda lives in one but she's now a mother who is unable to raise her toddler, and she has become an invalid even as her addiction is being treated with methadone.
News & Media
According to Harper there has been a "sea change", in that culture has become an increasingly invalid excuse for failures to uphold human rights.
News & Media
Mr. Daley started by reading a well-crafted opening to a 1981 Chicago Tribune series, "City on the Brink," by an estimable reporter, R. C. Longworth: "The City of Chicago has become an economic invalid.
News & Media
That much at least seems true from the creased, crumpled face of Lionel, who for too many years has performed the part of the dutiful son, faithfully caring for the invalid father who has become as much his warden as his ward.
News & Media
The aircraft has become a wide-bodied hostel, with children scrambling through the aisles, weary and invalid passengers sprawled across seats, and a constant murmur of bad memories.
News & Media
Expert writing Tips
Best practice
When using "has become invalid", ensure the context clearly indicates what specific conditions or events led to the invalidation. Be precise to avoid ambiguity.
Common error
Avoid using "has become invalid" with plural subjects. The correct form for plural subjects is "have become invalid". For instance, say "The tickets have become invalid" instead of "The tickets has become invalid".
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has become invalid" functions as a stative verb phrase, indicating a state of being or a condition that has changed over time. Ludwig AI tells us that the phrase is grammatically correct, which can be used to describe the status of some element.
Frequent in
Science
0%
News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, "has become invalid" is a grammatically sound phrase used to describe the state of something that was once valid but is no longer so. According to Ludwig AI, the phrase is perfectly correct. Although there aren't examples in the given data, the phrase is applicable across various formal and informal contexts, with similar phrases like "is no longer valid" and "has been nullified" serving as useful alternatives. When using this phrase, be sure to maintain subject-verb agreement and clearly indicate the reasons for invalidation to avoid ambiguity. As the frequency is classified as missing, it may be less frequently used in common parlance but remains a valuable expression in formal communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is no longer valid
Replaces "has become" with "is", simplifying the tense while retaining the meaning.
has been invalidated
Similar to "has been nullified", but specifically focuses on the act of invalidation.
is now void
Substitutes "invalid" with "void", which conveys a similar sense of ineffectiveness.
has been nullified
Uses the more formal term "nullified" instead of "invalid", implying a formal cancellation.
is now ineffective
Focuses on the lack of effectiveness or the inability to produce a desired result.
is no longer in effect
Rephrases the concept to focus on the lack of effect or enforceability.
is no longer applicable
Emphasizes that something no longer applies to a specific situation or context.
has lapsed
Suggests that something has expired or timed out, becoming invalid due to the passage of time.
has become defunct
Indicates that something is no longer functional or operational.
is out of order
A more informal way to say something is not functioning as intended or is not valid.
FAQs
How can I use "has become invalid" in a sentence?
You can use "has become invalid" to describe something that was once valid but is no longer so. For instance, "The warranty "has become invalid" due to misuse of the product".
What are some alternatives to "has become invalid"?
Some alternatives include "is no longer valid", "is now void", or "has been nullified", depending on the context.
Is it correct to say "has became invalid"?
No, the correct form is "has become invalid". "Became" is the simple past tense, while "become" is the past participle needed after "has".
What's the difference between "has become invalid" and "is invalid"?
"Has become invalid" implies a change in state, indicating something was once valid but is no longer so. "Is invalid" simply states the current state of being invalid, without implying a change.
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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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested