which also contain

USAGE SUMMARY

The phrase "which also contain" is not correct in standard English; it should be "which also contains" when referring to a singular subject.
You can use it when describing something that includes additional elements or features, ensuring the subject is singular. Example: "The book, which also contains a glossary, is a valuable resource for students."

⚠ May contain grammatical issues

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Acetochlor products which also contain atrazine have label use restrictions driven by atrazine requirements.

Cornell University

The ichthyosaur-bearing rocks, which also contain ammonites, are part of the Luning Formation.

University of California, Berkeley

For each mining function and algorithm, this chapter defines separate packages, which also contain related objects.

Java Data Mining Strategy, Standard, and Practice

Thick forests grow on these mountains, which also contain rich mineral deposits.

Encyclopedia Britannica

If alcohol must be avoided, drink red grape juice and eat lots of blueberries, which also contain resveratrol.

The New York Times - Health

Ground-coffee scrubs, which also contain sea salt and essential oils, are an all-natural, fun alternative to classic exfoliants.

The Guardian - Lifestyle

These suppressors can exist only in cells which also contain the su allele, i.e., su/su heterozygotes.

Stanford University

The coating also contains an oil called urushiol, which in sensitive people can produce reactions not unlike those to poison ivy and raw cashews, which also contain it.

The New York Times - Science

"Tours of the Black Clock" has an emotional depth missing from Mr. Erickson's previous novels, which also contain ambitious dreamlike scenarios.

The New York Times - Books

A plant built on Lake Lefroy, 2 miles (3 km) northeast of Kambalda, produces nickel concentrates, which also contain copper, cobalt, palladium, and platinum.

Britannica

It is thought that the high amount of removal of these elements is due to the formation of root plaques, which also contain in the main Fe.

Nature

Expert writing Tips

Best practice

When using "which also contain", ensure that the noun it refers to is plural. If the noun is singular, use "which also contains".

Common error

Avoid using "which also contain" when referring to a singular noun. The correct form is "which also contains" to maintain subject-verb agreement.

Linguistic Context

The phrase "which also contain" functions as a relative clause, adding descriptive information about a preceding noun. It specifies additional components or features that the noun includes. However, Ludwig AI highlights its grammatical incorrectness when referring to a singular subject.

Expression frequency: Very common

Frequent in

Science

37%

News & Media

28%

Encyclopedias

8%

Less common in

Wiki

7%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "which also contain" is frequently used to add extra information about a noun, indicating that it includes additional elements or features. However, Ludwig AI points out a critical grammatical issue: it's incorrect when referring to a singular noun; the correct form is "which also contains". Despite its common usage, ensure you use "which also contain" only with plural subjects to maintain grammatical accuracy. Alternatives like "that also includes" or "which additionally have" can help avoid this error. While prevalent in various sources, including scientific and news media, always prioritize grammatical correctness in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

that also includes

Replaces "contain" with "includes", focusing on the act of encompassing additional elements.

which, in addition, have

Restructures the phrase to emphasize the additive nature with "in addition".

that additionally holds

Employs "holds" to indicate the presence of supplementary items or qualities.

that is also composed of

Focuses on the composition of the subject, indicating additional components.

that further comprises

Uses "comprises" to denote what something is made up of in addition to the original components.

which simultaneously encompasses

Uses "encompasses" to show a wide inclusion of additional aspects alongside the primary ones.

that as well incorporates

Adds emphasis using "as well", highlighting that the incorporation is supplemental.

that jointly embodies

Uses "embodies" to express that the item represents or includes additional qualities.

that concomitantly features

Highlights that the feature is simultaneously present with the original subject.

that similarly possesses

Highlights the shared possession of additional traits or items.

FAQs

What's the grammatical issue with "which also contain"?

The phrase "which also contain" uses a plural verb form ("contain") with a singular relative pronoun ("which") that refers to a singular noun. This violates subject-verb agreement. The correct form is "which also contains" for singular nouns.

When is it correct to use "which also contain"?

Use "which also contain" only when referring to a plural subject. For example, "The boxes, which also contain books, are heavy."

What can I use instead of "which also contain" if the subject is singular?

If the subject is singular, use "which also contains". This ensures subject-verb agreement.

Are there other alternatives to "which also contain" that avoid the grammatical issue?

Yes, alternatives like "that also includes" or "that additionally holds" can be used to avoid the subject-verb agreement problem. The key is to ensure the verb agrees with the subject.