metals has not

USAGE SUMMARY

The phrase "metals has not" is not correct in written English.
It should be "metals have not" since "metals" is plural. Example: "In recent studies, researchers found that metals have not shown significant changes in their properties over time."

⚠ May contain grammatical issues

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

So far, the dominant deformation mechanism of NC metals has not been clear yet.

Nanoscale Research Letters

Interference with germination-related proteins by heavy metals has not been well documented at the proteomic level.

Rice

However, the application of biochars on immobilization of heavy metals has not been systematically investigated to any extent [12].

International Journal of Energy and Environmental Engineering

Intracellular signaling mechanism(s) responsible for oxidative stress and death in single-cell model exposed to metals has not yet been fully elucidated.

Archives of Medical Research

Although the reaction mechanisms for each of the Fenton metals has not been resolved at the same level of detail as with ferrous iron, the Fenton reaction (Equation 3) can be generalized to [47]: H 2 O 2 + M n + → M n  +  1 + + ⋅ OH  + - OH (5).

Geochemical Transactions

As of yet, the production of aluminum and similar metals has not been scheduled for discussion at COP21, and it is unlikely to be so at this relatively late stage.

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

But industrial electricity costs are almost 80% higher than in the United States, which means that energy-intensive industries, like plastics and metals, have not done nearly as well as trades like carmaking (see chart).

The Economist

It said that orders had been faked by the company to control prices of metal it dealt in, while its "entrusting sales" program — allowing retail investors to lend money to end users to buy metals — had not been approved by China's central bank.

Vice

The roles of these peripheral metals have not been examined previously.

Biochemistry

Although the mechanisms pertaining to the adverse reproductive effects caused by toxic metals have not been fully defined, toxicological studies have provided some insights.

BMC Public Health

Nobelium metal has not been prepared, but its properties have been predicted to be similar to those of the alkaline-earth metals and europium.

Encyclopedia Britannica

Expert writing Tips

Best practice

Always ensure subject-verb agreement. Since "metals" is plural, use "have" instead of "has". For example, "metals have not been tested extensively".

Common error

Avoid using "has" with plural subjects like "metals". Always use "have" to maintain grammatical accuracy. For example, correct "metals has not shown resistance" to "metals have not shown resistance".

Linguistic Context

The phrase "metals has not" is intended to function as part of a verb phrase expressing negation. However, it fails due to incorrect subject-verb agreement. As Ludwig AI confirms, the correct form requires the plural verb "have" to agree with the plural subject "metals".

Expression frequency: Missing

Frequent in

Science

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News & Media

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Formal & Business

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Less common in

Science

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News & Media

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Formal & Business

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Ludwig's WRAP-UP

The phrase "metals has not" is grammatically incorrect due to a subject-verb agreement error; "metals" is plural and thus requires the verb "have". Ludwig AI confirms that the correct phrase is "metals have not". When corrected, the phrase typically appears in neutral to formal contexts, particularly in scientific and technical writing, to negate statements about metals. Remember to ensure subject-verb agreement in your writing to maintain clarity and correctness.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

metals have not

Corrects the subject-verb agreement by using the plural verb form "have" to agree with the plural subject "metals".

metals haven't

A contraction of "metals have not", providing a more informal alternative.

metal has not

Changes the subject to singular "metal", requiring the singular verb form "has".

metal hasn't

A contraction of "metal has not", suitable when referring to a single type of metal.

metals do not

Replaces "has not" with "do not" to express a negative action or state of being in the present tense with plural "metals".

metal does not

Replaces "has not" with "does not" to express a negative action or state of being in the present tense with singular "metal".

metals did not

Shifts the tense to past, indicating that metals did not perform a certain action in the past.

metal did not

Shifts the tense to past, indicating that metal did not perform a certain action in the past, used with a singular subject.

metals will not

Shifts the tense to future, indicating that metals will not perform a certain action in the future.

metal will not

Shifts the tense to future, indicating that metal will not perform a certain action in the future, used with a singular subject.

FAQs

What is the correct way to say "metals has not"?

The correct phrase is "metals have not". The verb must agree with the plural subject "metals".

What can I say instead of "metals has not"?

Since "metals has not" is grammatically incorrect, use the correct version: "metals have not". Alternatively, use phrases like "metals do not" or "metals haven't".

When should I use "metal has not" instead of "metals have not"?

Use "metal has not" when referring to metal in a general, non-plural sense, or when referring to a single type of metal. For example, "Metal has not been fully explored in this context". If you are talking about multiple metals, the correct phrase is "metals have not".

What is the difference between "metal has not" and "metals have not"?

"Metal has not" refers to a singular subject (metal in general or a specific type), while "metals have not" refers to multiple metals or metals as a collective plural. For example, "metal has not rusted" (singular) versus "metals have not been tested" (plural).