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
main problems relates
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "main problems relates" is not correct in written English.
It should be "main problems relate" to agree in number with the plural subject "problems." Example: "The main problems relate to insufficient funding and lack of resources."
⚠ 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 economic evaluations of newborn screening for inherited metabolic disorders, one of the main problems relates to the lack of epidemiological data, such as the frequency of adverse outcomes with and without screening in terms of morbidity and mortality [ 12, 13].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
In all other cases, the main problems related to the determination of a x rise from mechanical strain.
Science
One of the main problems related with biomass used in thermal applications is its propensity to form ash deposits.
Science
This paper investigates two main problems related to power quality, namely, the harmonic generation from LED lamps and the effect of voltage sags on LED lamps.
Science
The paper describes the flying platform, the main problems related to aerodynamics and propulsion, the onboard avionics and the flight control system, including the autonomous navigation algorithms.
Science
The present paper deals with the two main problems related to LPG port-fuel SI engines: the volumetric efficiency drop and the LPG evaporator device performance.
One of the main problems related to composite structure joining is use of mechanical joint that damages continuous fibers and leads to reduction of considerable amount of load carrying capacity of composite structure.
Science
Considering a sufficient number of varied samples in a cellular network, the main problems related to radio aspects, such as congestion, lack of coverage and interference in either downlink or uplink, can be found in the given dataset.
This paper explores this potential for robotics applications by presenting a set of several original approaches for solving the main problems related to geometric and kinematic analysis of planar parallel robotic manipulators (PPRMs).
The main problems related to this solution arise when the system controller in a chassis with more than one data acquisition (DAQ) device has to assign (a) timestamps to the concrete waveform samples acquired by each DAQ or has to (b) timestamp events generated by each DAQ under special conditions.
One of the main problems related to this matter is the sheer cost of healthy foods.
News & Media
Expert writing Tips
Best practice
Always ensure subject-verb agreement. When referring to multiple problems, use the plural form of the verb: "main problems relate" or "main problems are related".
Common error
Avoid using singular verb forms (like "relates") with plural subjects (like "problems"). This error disrupts the clarity and correctness of your writing. Always use the plural verb form "relate".
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "main problems relates" attempts to identify the primary difficulties or concerns associated with a particular subject. However, due to grammatical errors highlighted by Ludwig AI, it doesn't effectively fulfill this function. A grammatically correct alternative like "main problems relate" would clearly denote the core issues.
Frequent in
Science
88%
News & Media
8%
Encyclopedias
4%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "main problems relates" is grammatically incorrect due to a lack of subject-verb agreement; the correct form is "main problems relate". As Ludwig AI points out, this error impacts clarity. While the intent is to highlight key issues, the incorrect grammar undermines its effectiveness. Better alternatives include "primary issues are" or "key challenges involve". The phrase appears mostly in scientific contexts, suggesting a formal register, but the grammatical error needs correction for professional communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
main problems are
Changes the verb to plural form, correcting the grammar to match the plural subject "problems".
primary issues are
Replaces "problems" with "issues" and corrects the verb conjugation for better grammatical flow.
key challenges involve
Uses "challenges" instead of "problems" and uses a verb that implies involvement or connection.
major difficulties stem from
Emphasizes the difficulties and uses "stem from" to indicate origin or cause.
central concerns revolve around
Highlights "concerns" as the focal point, using "revolve around" to suggest central importance.
principal issues arise from
Indicates that the issues "arise from" specific causes or situations.
significant challenges are associated with
Highlights the association between the "challenges" and something else.
fundamental issues connect to
Highlights the connection between issues and a related element, but still makes sense.
core difficulties link to
Emphasizes the fundamental nature of the difficulties and their connection to something else.
chief concerns relate to
Maintains the core idea of relating concerns but uses "chief" for emphasis.
FAQs
What is the correct way to say "main problems relates"?
The correct phrasing is "main problems relate" or "main problems are related". The verb must agree in number with the plural subject "problems".
What are some alternatives to "main problems relate"?
You can use phrases like "primary issues are", "key challenges involve", or "major difficulties stem from". These alternatives ensure correct grammar and clarity.
Is "main problems relates" grammatically correct?
No, "main problems relates" is grammatically incorrect. The correct form is "main problems relate". Using "main problems relate" ensures subject-verb agreement.
How can I avoid errors when discussing multiple problems?
Always use plural verb forms (e.g. "relate", "are") when the subject is plural (e.g. "problems", "issues", "challenges"). Review your sentences for subject-verb agreement to maintain clarity.
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