every four months

USAGE SUMMARY

The phrase "every four months" is grammatically correct and can be used in written English.
It is typically used to describe an event or action that occurs once every four months. Example: "I have to get my car serviced every four months to keep it running smoothly."

✓ Grammatically correct

News & Media

Science

Academia

Wiki

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Every taxi is inspected every four months.

The New York Times

Like the roadway, the blend is reconstructed every four months.

The New York Times

So that's the equivalent of a Newtown every four months.

The New York Times

The garden art will change every four months.

Independent

Food deliveries were made once every four months.

The New York Times

(Ms. Armour said he switches cars every four months).

The New York Times

All of the couples in the study continued to complete the relationship questionnaires every four months.

University of California, Berkeley

I have my teeth cleaned and evaluated there every four months.

Harvard University

Organizations must ensure that internal combustion vehicles receive preventive maintenance inspections every four months.

Stanford University

So you can check a different report, free, every four months.

The New York Times

We issue a new version of the product every four months.

The New York Times - Tech

Expert writing Tips

Best practice

When describing recurring events, clarify the starting point or initial instance to avoid ambiguity. For example, "Starting in January, the reports are due "every four months".

Common error

Avoid assuming that "every four months" always aligns with calendar quarters (January-April, May-August, September-December). The interval can begin at any month and continue from there.

Linguistic Context

The phrase "every four months" functions as an adverbial of time, specifying how often something occurs. It modifies verbs, indicating the frequency of an action. Ludwig demonstrates this usage across a wide range of contexts.

Expression frequency: Very common

Frequent in

News & Media

44%

Science

32%

Academia

12%

Less common in

Wiki

5%

Formal & Business

5%

Reference

2%

Ludwig's WRAP-UP

The phrase "every four months" is a common and grammatically correct time adverbial used to indicate the frequency of an event. As Ludwig AI confirms, it follows standard grammar rules and is appropriate for various contexts, ranging from formal reports to casual discussions. The analysis reveals that it appears most frequently in News & Media and Scientific publications, confirming its broad applicability and neutral register. When using this phrase, ensure the starting point of the interval is clear to avoid confusion. Alternatives such as "quarterly" or "once every trimester" can be used for variety, depending on the specific context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

quarterly

Single word substitution representing the same four-month interval.

once every trimester

Replaces "four months" with its equivalent term "trimester".

every third of a year

Uses a fractional representation of a year instead of directly stating months.

at four-month intervals

Emphasizes the regularity of the spacing between occurrences.

in four-month cycles

Highlights a repeating pattern of four months.

every 120 days

Provides an approximate day count for the four-month period.

on a four-month basis

Formal way of stating "every four months".

periodically every four months

Adds emphasis to the cyclical nature of the timeframe.

each four-month period

Defines a segment of time and implies recurrence.

four months apart

Focuses on the spacing or distance between recurring events.

FAQs

How can I use "every four months" in a sentence?

Use "every four months" to specify the frequency of an event or action. For example, "The equipment requires maintenance "every four months".".

What is another way to say "every four months"?

Alternatives include "quarterly" or "once every trimester". Choose the phrase that best fits the context and formality of your writing.

Is it correct to say "each four months" instead of "every four months"?

While "each four-month period" is grammatically correct, "every four months" is more common and natural-sounding. Using "every four months" is generally preferred for specifying frequency.

What's the difference between "every four months" and "in four months"?

"Every four months" indicates a recurring event, whereas "in four months" refers to a single point in the future. For instance, "We have a meeting "every four months"" versus "The project will be completed "in four months"".