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Discover LudwigSuggestions(5)
The phrase "are two main problems" is correct and usable in written English.
You can use it when discussing or identifying specific issues or challenges in a given context.
Example: "In our analysis of the project, we found that there are two main problems that need to be addressed."
Alternatives: "there exist two primary issues" or "two key challenges are present".
Exact(44)
There are two main problems in California.
But there are two main problems.
There are two main problems with announcements during federal election campaigns.
To Suter, there are two main problems with public health types.
HEALTH CARE There are two main problems with American health care today, and they tend to get confused.
Some Problems There are two main problems with Part D: 1) There are far too many choices.
Similar(16)
There are four main problems with the innovation fad.
There are three main problems that have Apple critics see.
Scaling, corrosion and biofouling are three main problems in circulating cooling water system.
Resource crisis, environmental pollution, and population growth are three main problems hindering economic development, and this has led to the urgent development of alternatives to fossil oil.
There are three main problems with this strategy.
More suggestions(15)
are two primary problems
are two main projects
are two basic problems
are two main bottlenecks
are two main constraints
are two main impediments
are two main failures
are two main trouble
are two main question
are two core problems
address two main problems
are two main limitations
are two main points
are two apparent problems
are two main risks
Write better and faster with AI suggestions while staying true to your unique style.
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