must join

USAGE SUMMARY

"must join" is correct and usable in written English.
You can use it when you are giving an instruction to someone or when you are saying that you need to do something. For example: "We must join forces to defeat our enemies."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Maria must join in.

The Economist

(Dance critics must join gyms).

The New York Times - Arts

"We must join civilised society.

The Guardian - Music

To buy it, you must join a subscription list.

The New York Times - Food

I must join in.' I asked him to wait.

The New Yorker

Participants must join the Smithsonian Institution, for $28 a year.

The New York Times - Travel

First he said the Greens must join – it was agreed.

The Guardian - Opinion

We must join them in confronting this expensive injustice.

The New York Times

We must join them and eventually we become a movement".

The Guardian - Lifestyle

Academic and management communities must join to establish observatories for measuring the significant parameters.

Water Security

This is why and where industrial ecologists and metallurgists must join forces.

Developments in Mineral Processing

Expert writing Tips

Best practice

When using "must join", be clear about the reason for the requirement. Providing context enhances understanding and avoids ambiguity.

Common error

While grammatically correct, "must join" can sound overly formal in casual conversations. Opt for alternatives like "need to join" or "have to join" to maintain a natural tone.

Linguistic Context

The phrase "must join" functions as a modal verb phrase expressing obligation or necessity. As supported by Ludwig, it indicates a requirement or a strong need to become part of a group, organization, or action. For example, "We must join forces" emphasizes the necessity of collaboration.

Expression frequency: Very common

Frequent in

News & Media

73%

Science

12%

Encyclopedias

4%

Less common in

Academia

3%

Wiki

3%

Formal & Business

2%

Ludwig's WRAP-UP

In summary, "must join" is a frequently used modal verb phrase that expresses a strong obligation or necessity. As Ludwig AI confirms, it is grammatically correct and appropriate for conveying a requirement or a strong recommendation. Its usage is prevalent in News & Media, but also appears in Science and Encyclopedias. While generally neutral, it can lean towards formal depending on the context. When writing, ensure you provide clear reasons for the requirement and consider alternatives like "have to join" or "need to join" in more informal settings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are required to join

This alternative emphasizes a formal requirement or obligation.

have to join

This is a more informal way of expressing necessity.

need to join

This suggests a need or advisability to join.

it is essential to join

This stresses the importance or criticality of joining.

should join

This implies a recommendation or suggestion, rather than a strict obligation.

are expected to join

This indicates an expectation or anticipation of joining.

it's imperative to join

This underscores the urgency and importance of joining.

membership is mandatory

This focuses on the mandatory aspect of becoming a member.

participation is obligatory

This highlights the compulsory nature of participation.

one is compelled to join

This expresses a strong feeling of being forced or driven to join.

FAQs

How to use "must join" in a sentence?

Use "must join" to express a strong obligation or requirement. For example, "All participants "are required to join" the pre-event briefing."

What can I say instead of "must join"?

You can use alternatives like "have to join", "need to join", or ""are required to join"" depending on the context.

When is it appropriate to use "must join"?

It's appropriate to use "must join" when conveying a strong obligation or necessity, often in formal or official contexts. For instance, "Employees "are required to join" the union after six months of employment".

Is "must join" too formal for everyday conversation?

While grammatically correct, "must join" can sound somewhat formal in casual conversation. In such cases, consider using alternatives like "have to join" or "need to join".