Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
couple of shells
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "couple of shells" is correct and usable in written English.
It can be used to refer to a small number of shells, typically in a casual or informal context. Example: "While walking along the beach, I picked up a couple of shells to take home as souvenirs."
✓ Grammatically correct
News & Media
Science
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
After a couple of shells I got a brief tingling in my lips – just like Humber water – but nothing more.
News & Media
When they arrived, they had only had a couple of shells per gun owing to the logistical tailback in the Ardennes.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Importantly, it allows a blended coupling of shells based on different mathematical models, e.g. Kirchhoff Love and solid-like shell models.
A hierarchical modeling of planar steel frames that is based on a weak coupling of shell and beam computational models is studied in detail.
"A couple of clam shells we found off an old wreck" was the answer.
News & Media
It was Nick and his classmate Kenneth Sobel who inspired Evan to shorten his axles and weigh down the front of the car with a couple of pasta shells to pull it down the ramp faster.
News & Media
At first it sounded like a couple of artillery shells landing and the battle appeared to have begun, but then the explosions kept coming.
News & Media
This simple dish is a good reason to pick up a couple of the shell-on lobster tails you regularly see at the seafood counter.
News & Media
Maybe there's a building hire company a couple of zone-shells away from here.
News & Media
We found only a few bacterial species in which a couple of second-shell residues, most notably D181 (human arginase numbering), were replaced instead with Ala, Ser, or Glu.
Science
This shell museum is home to a couple of record-holding shells, including the largest horse conch shell ever found.
News & Media
Expert writing Tips
Best practice
When using "couple of shells", ensure the context clarifies whether you mean specifically two, or just a small quantity.
Common error
Avoid using "couple of shells" if you are referring to a large or indefinite number of shells; use alternatives like "many shells" or "various shells" instead.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "couple of shells" functions as a determiner phrase followed by a noun phrase. It specifies a quantity, indicating a small number of shells. Ludwig confirms that this phrase is valid and usable in written English.
Frequent in
News & Media
35%
Science
33%
Wiki
10%
Less common in
Formal & Business
7%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "couple of shells" is a common and grammatically correct way to refer to a small number of shells, as confirmed by Ludwig. It generally implies two, but can also indicate a few. While versatile, it's important to ensure the context clarifies the intended quantity. Ludwig's analysis reveals it is suitable for various contexts, from news and media to scientific discussions. Alternatives like "few shells" or "pair of shells" can offer more specific or formal options. Always consider your audience and purpose when choosing the most appropriate phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
few shells
This alternative replaces "couple of" with "few", indicating a small number, with minimal change in meaning.
pair of shells
Replaces "couple of" with "pair of", specifying two shells exactly.
small number of shells
More explicit, clarifying that the quantity of shells is not large.
handful of shells
Implies a quantity that can be held in one hand; suitable if the number is small enough.
several shells
Suggests more than two, but still a relatively small quantity.
some shells
Indicates an unspecified, but likely small, quantity of shells.
two or three shells
Narrows down the quantity to a range between two and three.
limited number of shells
Emphasizes that the quantity is restricted or not abundant.
scant few shells
Highlights that there are very few shells.
mere shells
Implies that the shells are insignificant in quantity or value.
FAQs
How can I use "couple of shells" in a sentence?
You can use "couple of shells" to refer to a small number of shells. For example, "While walking along the beach, I picked up a couple of shells to take home as souvenirs."
What's a more formal way to say "couple of shells"?
For a more formal tone, you could use phrases like "a few shells" or "a small number of shells" depending on the specific number and context.
Which is correct, "couple of shells" or "a couple shells"?
"Couple of shells" is the correct and standard usage. "A couple shells" is grammatically incorrect.
What can I say instead of "couple of shells"?
You can use alternatives like "few shells", "pair of shells", or "small number of shells" depending on the context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested