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
is previously assigned
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is previously assigned" is not correct in standard written English.
It should be "was previously assigned" or "has been previously assigned" depending on the context. Example: "The task is to complete the project that was previously assigned to you."
⚠ May contain grammatical issues
Science
News & Media
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
1 human-written examples
In other words, the Stream-greedy chooses solution 1, the Beam-greedy takes solution 2, while the Stream-independent goes for solution 3. In order to simplify the analysis for the MU-Basic scheme, we assume that a slot is previously assigned to either the ECFB training part or the data transmission.
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
All of these mycobacteriophages have been previously assigned to clusters through whole genome analysis [ 7, 11] and cluster assignment is available at http://phagesdb.org.
Science
Although they were previously assigned to a few, they wanted to handle that one as well".
News & Media
Some sitters have now been identified; various portraits (including the one of the bailiff, who had been previously assigned to the "Judge and Attorney" portfolio) have been reassigned.
News & Media
In addition, many ornithologists place chats of the genus Granatellus, which were previously assigned to Parulidae, in the family Cardinalidae.
Encyclopedias
Dioceses increasingly need to pay people market rates to get jobs done that were previously assigned to clergy and members of religious orders.
News & Media
"Daily cleaning will be the responsibility of almost 1,000 station cleaners who were previously assigned to the operating groups," Mr. Prendergast wrote in an internal memo, which was obtained by Off the Rails.
News & Media
A Pontiac native with decades of experience in municipal finance, he was previously assigned to rehabilitate the finances of two other Michigan cities — Ecorse in the 1986 and Hamtramck in 2000.
News & Media
The target organic acids have been previously assigned as significant biomarker in human body odor and human waste odor.
The nurse rerostering problem occurs when one or more nurses cannot work in shifts that were previously assigned to her or them.
The enhanced sub-bandgap absorption at wavelengths greater than 600 nm has been previously assigned to reduced Ta5+, which is presumably present at the surface of the Ta3N5 [62].
Expert writing Tips
Best practice
When referring to past assignments, use "was previously assigned" or "has been previously assigned" to ensure grammatical accuracy.
Common error
Avoid using "is previously assigned" as it incorrectly mixes present and past tenses. Always use the appropriate past tense form: either "was" or "has been".
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is previously assigned" attempts to describe an action that occurred before the present moment. However, as pointed out by Ludwig AI, the combination of the present tense verb "is" with "previously" creates a grammatical error. Correct alternatives such as "was previously assigned" or "has been previously assigned" should be used instead.
Frequent in
Science
50%
News & Media
37%
Wiki
13%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is previously assigned" is grammatically incorrect because it mixes present and past tenses. Ludwig AI suggests that the correct forms are "was previously assigned" or "has been previously assigned", depending on whether the action is simply in the past or has ongoing relevance to the present. While examples exist across various domains like Science, News & Media, and Wiki, Ludwig's analysis indicates that using the correct tense is crucial for clarity and accuracy. Using correct alternatives will enhance the quality and credibility of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was previously assigned
Changes the verb "is" to "was" to indicate past tense, aligning with standard English grammar.
has been previously assigned
Uses the present perfect construction "has been" to indicate a past action with present relevance, improving grammatical correctness.
had been assigned before
Emphasizes the completion of the assignment prior to another point in time.
was allocated earlier
Replaces "assigned" with "allocated" and "previously" with "earlier" for a more concise expression.
is already allocated
Uses "already allocated" to indicate a present state resulting from a past assignment.
is pre-assigned
Simplifies the phrase using the prefix "pre-" to denote previous assignment.
is designated beforehand
Substitutes "assigned" with "designated" and "previously" with "beforehand" to convey a similar meaning with different vocabulary.
is formerly assigned
Uses "formerly" in place of "previously" to indicate a past assignment that is no longer current.
is already designated
Uses “already designated” to indicate that something has been selected ahead of time.
is tentatively assigned
Uses “tentatively assigned” to convey an assignment that is provisional or subject to change.
FAQs
Why is "is previously assigned" considered grammatically incorrect?
The phrase "is previously assigned" combines the present tense verb "is" with the adverb "previously," which indicates a past action. Using "was previously assigned" or "has been previously assigned" corrects this tense inconsistency.
What are some alternatives to "is previously assigned"?
Alternatives include "was previously assigned", "has been previously assigned", or "was allocated earlier", depending on the specific context.
How do I choose between "was previously assigned" and "has been previously assigned"?
"Was previously assigned" indicates a completed action in the past, while "has been previously assigned" connects a past action to the present, implying that the assignment's effects are still relevant.
In what contexts might I use "was previously assigned" instead of "is previously assigned"?
Use "was previously assigned" when discussing past events, such as describing a task that someone completed or a role someone held in the past. The original phrase "is previously assigned" is grammatically incorrect in such contexts.
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
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested