this is mostly because

USAGE SUMMARY

The phrase "this is mostly because" is correct and usable in written English.
You can use it to explain the primary reason or cause behind a situation or statement. Example: "The project was delayed; this is mostly because of unforeseen technical challenges."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

48 human-written examples

This is mostly because of Marianne Faithfull, who plays Maggie, a middle-class suburban widow preparing to settle into a meek and marginal old age.

The New York Times

This is mostly because it efficiently describes many phenomena arising in engineering, physics, economics and science.

Boundary Value Problems

This is mostly because of his name.

The Guardian - TV & Radio

This is mostly because of improvements in the job market.

The Guardian - Business

This is mostly because there is little head-to-head competition between America and China.

The New York Times

This is mostly because Mr. Butler does not seem capable of conveying his character's inner life.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

5 human-written examples

This is mostly because a very low precision is used for the calculation.

EURASIP Journal on Embedded Systems

This is mostly because the equatorial electrojet flows along the geomagnetic dip-equator, which is bended with respect to the dipole equator in the South American sector.

Earth, Planets and Space

And this is mostly because of the psychological manifestations (body function), not only because of physical problems (body function).

Annals of the Rheumatic Diseases

This is mostly because I know what is there.

The New York Times - Arts

But this is mostly because of the palace's parallel politicking.

The Economist

Expert writing Tips

Best practice

When using "this is mostly because", ensure the reason you provide is indeed the predominant one, not just a contributing factor. Be clear and specific to avoid ambiguity.

Common error

Avoid using "this is mostly because" when multiple factors contribute significantly to the outcome. If the reason is not definitively the primary one, consider using phrases like "this is partly because" or "this is in part due to" instead.

Linguistic Context

The phrase "this is mostly because" functions as a causal connector, linking a statement to its primary explanation or reason. It introduces a clause that clarifies why something is the case. Ludwig AI confirms that this phrase is correct and usable in written English.

Expression frequency: Common

Frequent in

News & Media

48%

Science

42%

Wiki

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "this is mostly because" serves as a causal connector, offering the primary explanation for a given statement. Ludwig AI validates its grammatical correctness and wide usability. While suitable for various contexts, including news and general discussions, formal settings might benefit from alternatives like "this is primarily due to". The phrase appears frequently in News & Media and Science, implying a broad application across explanatory contexts. When using this phrase, clarity and accuracy are key to ensuring the provided reason genuinely reflects the main cause.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

this is primarily because

Emphasizes the cause as the main reason.

this is largely due to

Highlights the significant impact of a particular factor.

the main reason for this is

Directly states the reason.

a major factor is

Indicates one of the primary reasons.

this stems mainly from

Suggests the origin or root of the situation.

the principal cause is

Highlights the most important cause.

it mainly results from

Indicates the outcome is a consequence of something else.

primarily, this is because

Adds emphasis at the start of the sentence.

this is predominantly because

Similar to 'mostly' but stresses the dominance of the reason.

the biggest reason is

Implies the reason given is larger/more impactful than others.

FAQs

How can I use "this is mostly because" in a sentence?

Use "this is mostly because" to introduce the main reason for a situation. For example, "The project was delayed; this is mostly because of unforeseen technical challenges."

What's a more formal alternative to "this is mostly because"?

In formal writing, you could use phrases like "this is primarily because", or "this is largely due to" for a more professional tone.

Is it correct to say "this is mostly because of"?

Yes, it is grammatically correct. The preposition "of" is often included to specify what the reason pertains to, such as "This is mostly because of the weather conditions."

What's the difference between "this is mostly because" and "this is partly because"?

"This is mostly because" indicates that the reason provided is the main or primary cause. "This is partly because" suggests that the reason is one of several contributing factors, but not necessarily the most important one.