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
should be kept as
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "should be kept as" is correct and usable in written English.
It can be used when indicating that something must remain in a particular state or form. Example: "The original document should be kept as a reference for future projects."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
As such, it should be kept as far away from politics as possible.
News & Media
The new thinking is that drinks should be kept as strong as possible.
News & Media
I've always believed that snakes and humans should be kept as far apart as possible.
News & Media
For the same reason, floors under and around desks should be kept as clear as possible.
News & Media
Moreover, to avoid stall and separation, angle of attack should be kept as less as possible.
Both R and d should be kept as small as possible.
Science
Because of radio throughput limitations, the introduced overhead should be kept as low as possible.
The total amount of blood withdrawn from a patient should be kept as low as possible.
Science
So the salinity level of water should be kept as low as possible.
To suppress it, the value of cross-correlation should be kept as small as possible [15].
To improve the BER, the SINR should be kept as high as possible at the demodulator.
Expert writing Tips
Best practice
When using "should be kept as", ensure that the context clearly defines what 'as' refers to. For instance, specify the desired state or condition to avoid ambiguity. Example: "The sample should be kept as dry as possible."
Common error
While generally acceptable, avoid using "should be kept as" excessively in informal writing. Consider more direct alternatives like "maintain" or "preserve" for brevity and clarity.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "should be kept as" functions as a modal verb phrase used to express a recommendation, suggestion, or requirement for maintaining something in a specific condition or state. As confirmed by Ludwig, it is considered correct and usable in written English.
Frequent in
Science
64%
News & Media
25%
Formal & Business
3%
Less common in
Wiki
3%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "should be kept as" is a versatile phrase used to recommend or require maintaining a specific state or condition. As Ludwig AI confirms, it is grammatically correct and sees frequent use in various contexts, particularly in science, news, and business communications. When employing this phrase, ensure that the context clearly defines the 'as' element to avoid ambiguity. Consider alternatives such as "ought to be maintained as" or "must be retained as" to vary your writing style and to add nuanced shades of meaning. Overall, "should be kept as" is a reliable choice for expressing necessary preservation or maintenance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
ought to be maintained as
Replaces "should" with "ought to", implying a slightly stronger sense of obligation or advisability and replaces kept with maintained.
needs to be preserved as
Emphasizes the necessity of preservation, changing "should" to "needs" and "kept" to "preserved", adding a sense of urgency.
must be retained as
Indicates a firm requirement for retention, substituting "should" with "must" and "kept" with "retained", conveying a more authoritative tone.
should remain in the form of
Specifies that something should not only be kept but also maintained in a particular form, adding clarity about the desired state.
is recommended to be held as
Suggests a recommendation rather than a strict requirement, softening the original phrase's tone by using "is recommended" and replacing kept with held.
is advised to be conserved as
Uses "is advised" to indicate a professional suggestion and replaces kept with conserved, focusing on careful management.
has to be upheld as
Indicates that something needs to be supported or defended using has to instead of should and kept with upheld.
should be sustained as
Suggests the necessity of continuation and support and replaces kept with sustained, focusing on the long term aspect.
is required to be conserved as
Replaces "should" with "is required" indicating a necessity, also changes "kept" with "conserved", focusing on the conservation aspect.
ought to remain unchanged as
This alternative emphasizes that something must not be modified in any way and that it must persist in the same condition. It replaces "should" with "ought to", implying a moral or logical imperative, and substitutes "kept" with "remain unchanged", underscoring the importance of preserving the original state or condition.
FAQs
How can I use "should be kept as" in a sentence?
The phrase "should be kept as" is used to recommend maintaining something in a specific condition. For example, "The data "should be kept as" confidential" means the data's confidentiality must be maintained.
What are some alternatives to "should be kept as"?
You can use alternatives like "ought to be maintained as", "needs to be preserved as", or "must be retained as" depending on the context and the level of emphasis you want to convey.
Is it correct to say "must be kept as" instead of "should be kept as"?
Both are grammatically correct, but "must be kept as" implies a stronger requirement than ""should be kept as"". The choice depends on whether you're stating a necessity or making a recommendation.
What's the difference between "should be kept as" and "should be regarded as"?
"Should be kept as" suggests maintaining a current state or condition. "Should be regarded as" implies a particular viewpoint or opinion. For example, "The artifact "should be kept as" is" (maintained in its current condition), while "The artifact should be regarded as a historical treasure" (viewed as valuable).
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
4.5/5
Expert rating
Real-world application tested