it must not contain vs it must not be contain

The correct phrase is "it must not contain." The phrase "it must not be contain" is incorrect in English. The verb "contain" should be used in its base form after the modal verb "must."

Last updated: March 29, 2024 • 738 views

it must not contain

This phrase is correct and commonly used in English.

This phrase is used to indicate that something should not be included or present in a particular context.

Examples:

The package must not contain any hazardous materials.
The report must not contain any errors.
The email must not contain any sensitive information.

Show examples from the web [+]

If, however, the report is to have some significance, it must not contain factual errors.
It must not contain pathogenic microorganisms (Listeria monocytogenes and Salmonella).
It must not contain any erasures or overwritten words.
Above all, it must not contain exceptions or what we call loopholes, i.e. ways in which the regulation can be contravened either through complex wording or because of local or special exceptions or applications.
Note 3: This fuel may be based on straight run and cracked distillates; desulphurisation is allowed. It must not contain any metallic additives.

it must not be contain

This phrase is incorrect in English.

Show examples from the web [+]

10. Statement whether the product contains or does not contain material of human origin.
Avaglim contains lactose Avaglim tablets contain a small amount of lactose.
This cylinder contains Napalm, the other contains compressed air.
Capsule shells contain gelatin, titanium dioxide E171; ink contains iron oxide E172.
A normal and varied diet contains many ingredients, which in turn contain many substances.
The label shall contain the following text: Contains metallic additives.
The module Seska stole contains a quantum resonance oscillator.
Its body and excrement contain a special protein.
This parcel contains a priceless holy relic.
We both signed prenups that contain infidelity clauses.
This field contains a byte stream representing the image.
Fairway information contains the data of the waterway only.
Chloe, those files contain details of nearly every operation.
The folder contains your people's whereabouts.
Most over-the-counter allergy medicines contain mild sedatives.
Box 5 contains all geographical indications.
Unless it contains something very valuable.
The soil contains the same magnetic traces.
The report does contain many good ideas.
Finally, the resolution before us contains blatant contradictions.

Alternatives:

it must not be contained
it must not be included
it must not be present
it must not be found

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it must not contain vs it must not be contain