models were required to

USAGE SUMMARY

The phrase "models were required to" is correct and usable in written English.
It can be used when discussing obligations or expectations placed on models in a specific context, such as research, fashion, or simulations. Example: "In the study, models were required to adhere to strict guidelines to ensure accurate results."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

The models were required to simulate dynamically the uptake and turnover of radionuclides by marine organisms.

Journal of Environmental Radioactivity

The ART model did a reasonable job of matching the simulation results for the simpler mission case, while auxiliary dynamic models were required to adequately capture risk-driver rankings for the more dynamic cases.

Reliability Engineering & System Safety

Because the observed western US climate has exhibited considerable natural variability at seasonal to interdecadal time scales, the historical simulations by the climate models were required to contain spatial and temporal variability that resembles that from observations at shorter time scales.

Ecological Processes

However, all models were required to contain an invariant core of the three most robust and informative analytes, namely CA-125, C-reactive protein and EGF-R, which reduced the search space to 2380 combinations.

Plosone

However, multivariate models were required to test the combined effects of the independent variables on child well-being outcomes and to examine the research questions.

Child Development

Expression beyond the 3'UTR of RefSeq gene models were required to: a) be greater than 50% of the RPKM value b) have expression in any 10 consecutive 30 bp sliding window, and c) have expression extended greater than 500 bp.

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

The models are required to take a stance instead of simply standing.

The Washington Post

Mathematical and computational models are required to understand the extreme complexity of living systems.

Stanford University

United continues to believe that "new business models are required to respond to the challenging market environment," he said in a recorded message.

The New York Times

Accurate computational models are required to predict ground-borne vibration due to railway traffic.

Journal of Sound and Vibration

Advanced turbulence chemistry interaction models are required to describe different regimes in POX reactors.

Chemical Engineering Science

Expert writing Tips

Best practice

When using "models were required to", ensure the context clearly defines who or what imposed the requirement. This adds clarity and strengthens the statement.

Common error

Avoid passive voice overuse. While grammatically correct, "models were required to" can be less direct than active constructions. If possible, specify the actor enforcing the requirement for a more impactful statement.

Linguistic Context

The phrase "models were required to" functions as a passive construction indicating an obligation or necessity imposed upon the models. Ludwig examples illustrate its use in scientific, news and media contexts.

Expression frequency: Uncommon

Frequent in

Science

77%

News & Media

23%

Formal & Business

0%

Less common in

Wiki

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "models were required to" is a grammatically sound passive construction used to express an obligation or necessity placed upon models. Ludwig AI confirms its correctness. It is most commonly found in scientific and technical writing, as well as news media. For clearer and more direct communication, consider using active voice alternatives like "models had to" or explicitly stating who imposed the requirement. Recognizing its passive nature helps writers make informed choices for impactful writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

models had to

Uses 'had to' to indicate obligation, instead of the passive 'were required to'.

models needed to

Replaces 'were required' with 'needed', indicating a need or necessity.

models were expected to

Substitutes 'required' with 'expected', suggesting an anticipation or expectation.

models were supposed to

Uses 'supposed to' to convey an obligation or intended action.

it was required that models

Restructures the sentence to emphasize the requirement itself.

models were obligated to

Replaces 'required' with 'obligated', indicating a formal duty.

models were essential to

Changes the focus to the essential nature of the models, rather than a requirement.

models were crucial for

Similar to 'essential', highlighting the critical importance of the models.

models were designed to

Shifts the emphasis to the intended purpose or design of the models.

models had a mandate to

Indicates that the models had a specific instruction or command to.

FAQs

How can I rephrase "models were required to" to sound more active?

You can use phrases like "models had to", or actively state who required the models to do something (e.g., "The researchers required models to..."

Is it better to use "models were required to" or "models had to"?

Both phrases are correct, but "models had to" is often more direct and concise. "Models were required to" is more formal and can be useful when emphasizing the necessity of the requirement.

What does "models were required to" imply?

It implies that there was a necessity or obligation for the models to perform a specific action or meet certain criteria. The requirement could stem from rules, standards, or experimental design.

Can I use "models were needed to" instead of "models were required to"?

Yes, "models needed to" is a suitable alternative when you want to emphasize the need for something rather than a strict requirement. It conveys a slightly softer tone.