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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 not obtained yet
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not obtained yet" is not correct in standard written English.
The correct form would be "has not yet obtained." Example: "She has not yet obtained the necessary permits for the project."
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
Alternative expressions(20)
has not been resolved
is unavailable
is not assembled
is still lingering
has not yet been available
is under consideration
is devoid of
is on hold
is not available yet
has yet to be updated
remains unupdated
is without
cannot be found
has not yet been supplied
is not yet verified
has not yet resigned
is still determining
is unrecoverable
has not yet elicited
has not arrived
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
Participants were asked if they had obtained information about cancer from any source (had obtained/ had not obtained, yet).
Science
If your loved one has not obtained these documents yet, help him or her to create them.
Wiki
At present, the time span for each period has not obtained a unified time yet.
As a matter of governance structure, it has the United Auto Worker union retirees as major shareholders of the new Chrysler, mixing up the UAW's incentives as employees looking for higher wages and as owners looking for more productivity, in a way that hasn't obtained media attention yet but which may prove to be clever.
News & Media
Yet we have not obtained what the Japanese system produces, the psychological conviction of job and income security.
News & Media
They've sent soil samples to a lab capable of extracting human DNA but haven't obtained results yet.
News & Media
The California bill -- which has passed both the State Senate and Assembly but has yet to be signed into law by Gov. Jerry Brown -- would mandate six hours of suicide prevention training for those who haven't obtained their licenses yet and those who are trying to renew their licenses.
News & Media
However, the exact proof of C2 continuity for the general SB-spline surfaces has not been obtained yet.
Science
Nevertheless, the global optimal solution to this problem has not been obtained yet since the solution method is not fully integrated.
On the other hand, as far as we know, the existence of blow-up solutions to (1.1) with (lambda_{1}>0), (lambda_{2}<0), (0< p_{1}<frac{4}{N}) and (p_{2}=1+frac{2+alpha }{N}) has not been obtained yet.
Science
The Hα CSI prediction is indicative of a helical structure in the N-terminal region comprising residues F2 F18 (Figure S5), although a well-defined three-dimensional structure of the peptide in TFE/H2O mixture has not been obtained yet, mainly due to the deficiency of enough unambiguous conformational restraints for the exact structural analysis.
Science
Expert writing Tips
Best practice
Always prioritize correct grammatical order. Use "has not yet obtained" instead of "has not obtained yet" for clarity and adherence to standard English.
Common error
Avoid placing "yet" at the end of the phrase when using "has not obtained". The correct placement is between "not" and "obtained": "has not yet obtained".
Source & Trust
82%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not obtained yet" is intended to function as a negative perfect verb phrase, indicating that an action of obtaining something has not been completed up to the present time. However, according to Ludwig AI, the standard and grammatically sound version is "has not yet obtained".
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, the phrase "has not obtained yet" is grammatically incorrect. The correct and widely accepted form is "has not yet obtained". As Ludwig AI confirms, the standard order is to place "yet" between "not" and "obtained". While the intended meaning is generally understandable (indicating something not acquired until now), using the correct phrasing enhances clarity and professionalism. Sticking to "has not yet obtained" or exploring synonyms like "has not yet acquired" ensures better communication and credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has not yet obtained
Reorders the words for correct English grammar and natural flow.
has not yet acquired
Substitutes "obtained" with "acquired", retaining the meaning while using correct grammar.
has not yet received
Replaces "obtained" with "received", providing a similar meaning and grammatical correctness.
has not obtained as of yet
Adds "as of yet" to specify the time frame, but "has not yet obtained" is more concise and preferred.
has not secured yet
Uses "secured" instead of "obtained", implying a more proactive effort to gain something.
has not finalized yet
Emphasizes the lack of completion or finalization in acquiring something.
is still lacking
Highlights the absence or deficiency of something that should be obtained.
remains unobtained
Uses a passive construction to indicate something has not been acquired.
has not come into possession yet
More formal alternative to "has not obtained yet", emphasizing ownership or control.
has yet to secure
Emphasizes the future action that needs to take place to obtain something.
FAQs
What is the correct word order, "has not obtained yet" or "has not yet obtained"?
The correct word order is "has not yet obtained". Placing "yet" after "obtained" is grammatically incorrect.
What does "has not yet obtained" mean?
It means that something has not been acquired or received up to the present time. It implies that there is an expectation or possibility of obtaining it in the future.
Are there synonyms for "has not yet obtained"?
Yes, you can use alternatives like "has not yet acquired", "has not yet received", or "remains unobtained".
How can I use "has not yet obtained" in a sentence?
You can use it like this: "The company has not yet obtained the necessary permits for the project".
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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
82%
Authority and reliability
1.8/5
Expert rating
Real-world application tested