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"The dog's are" mixes two errors: an apostrophe used where a plural is needed, and a singular form paired with a plural verb. Writers usually mean one of three things: the plural subject + verb (the dogs are), a contraction for "the dog is" (the dog's), or a possessive (the dog's collar).

Below are clear rules, fast tests, and many rewrite patterns for work, school, and casual contexts so you can fix sentences immediately.

Quick answer

"The dog's are" is almost always wrong. Use one of these instead:

the dogs are - plural subject + plural verb (more than one dog)
the dog's - contraction for "the dog is" (singular) or possessive (the dog's collar); never followed by are
For possession use "the dog's + noun"; for plurality use "the dogs are"

Core explanation: two separate mistakes

The phrase combines an apostrophe (which signals possession or contraction) with a plural verb. English does not use an apostrophe to form plurals.

No apostrophe to pluralize: dogs, not dog's.
Singular subject → is; plural subject → are.
Contraction and possessive share the written form the dog's but serve different roles.

Wrong: The dog's are barking loudly.
Right: The dogs are barking loudly.
Wrong: All the dog's want to come in.
Right: All the dogs want to come in.

Grammar details: contraction vs possessive vs plural

Three forms to choose from: "the dogs are" (plural + verb), "the dog's" (contraction = the dog is), and "the dog's + noun" (possessive). Decide quickly by asking: How many? Is something owned? Is it an action?

Question 1 - How many? One → use singular forms; more than one → use plural (dogs) + are.
Question 2 - Ownership? If yes, use possessive: the dog's leash.
Contraction test - say it aloud: does "the dog's" read as "the dog is"?

Wrong: The dog's going to the vet today. (unclear)
Right: The dog is going to the vet today. - or - The dog's going to the vet today (contraction, informal).
Wrong: The dog's are all vaccinated.
Right: The dogs are all vaccinated.

Memory tricks (fast replacement tests)

When you see "the dog's" followed by are, run these quick checks:

Replacement test: Swap the noun. If "the cars are" reads correctly, you need "the dogs are."
Expand test: Expand "the dog's" to "the dog is." If that fits, use the contraction or full form.
Possessive test: Insert a noun after "the dog's" (the dog's collar). If it makes sense, it's possessive.

Rewrite:
Original: The dog's are in the yard. →
Correct: The dogs are in the yard.
Rewrite:
Original: The dog's new collar is red. → Possessive OK: The dog's new collar is red.
Rewrite:
Original: The dog's late. → Expand: The dog is late (contraction OK in casual writing).

Hyphenation & spacing quirks to watch for

Stray spaces or hyphens often signal uncertainty. Fix these common visual errors and keep punctuation tight.

Never split the apostrophe from the word: don't write the dog 's are.
Hyphens don't pluralize words; use them in compound modifiers only: well-trained dogs are (not well-trained dog's are).
Keep punctuation tight: the dog's (no extra spaces) for contraction/possession; the dogs are for plural + verb.

Wrong: The dog 's are at home.
Right: The dogs are at home.
Wrong: The well-trained dog's are easier to handle.
Right: The well-trained dogs are easier to handle.

Try your own sentence

Test the whole sentence, not just the phrase. Context usually reveals the right form.

Examples: work, school, and casual pairs

Grouped wrong → correct pairs you can paste directly.

Work - Wrong: The dog's are delayed at security; we'll update you.
Right: The dogs are delayed at security; we'll update you.
Work - Wrong: The dog's completed the QA checks and are ready.
Right: The dogs have completed the QA checks and are ready.
Work - Wrong: Please confirm the dog's are included in the report.
Right: Please confirm the dogs are included in the report.
School - Wrong: The dog's are missing citations in the bibliography.
Right: The dogs are missing citations in the bibliography.
School - Wrong: The dog's been studied in Chapter 3 and are shown in Figure 2.
Right: The dog was studied in Chapter 3 and is shown in Figure 2. (or The dogs were studied ... if plural)
School - Wrong: Check whether the dog's are labeled correctly in the lab report.
Right: Check whether the dogs are labeled correctly in the lab report.
Casual - Wrong: The dog's are coming over later- you in?
Right: The dogs are coming over later- you in?
Casual - Wrong: The dog's always barking when I'm on the porch.
Right: The dogs are always barking when I'm on the porch.
Casual - Wrong: The dog's are hungry- should I feed them?
Right: The dogs are hungry- should I feed them?

Rewrite help: 3-step checklist + three paste-ready rewrites

Apply Expand → Replace → Possessive, then choose a rewrite below.

Step 1: Expand - does "the dog's" become "the dog is" when spoken? If yes, use "the dog is" or the contraction.
Step 2: Replace - swap a different noun to test plurality (e.g., "the cars are").
Step 3: Possessive - can you sensibly add a noun after "the dog's"? If yes, it's possessive.

Rewrite:
Original: The dog's are waiting by the gate. → The dogs are waiting by the gate.
Rewrite:
Original: The dog's are missing their tags. → The dogs are missing their tags.
Rewrite:
Original: The dog's are in the yard, the neighbor said. → The neighbor said the dogs are in the yard.

Similar mistakes to catch (they're/their/there, it's/its, plural apostrophes)

Use the same expansion, replacement, and possession checks with other confusing pairs.

they're = they are; their = possessive; there = location
it's = it is or it has; its = possessive (no apostrophe)
Don't use apostrophes to pluralize: CDs, 1990s (not CD's, 1990's unless a style requires it)

Wrong: The cat's are hungry.
Right: The cats are hungry.
Wrong: Its a bright day.
Right: It's a bright day.
Wrong: The team's jerseys are on sale (mistyped as team' S).
Right: The team's jerseys are on sale. (possessive)

Quick editing checklist you can use now

Four fast checks before you send or submit anything.

1) Count: Is the subject singular or plural? If plural → use are and no apostrophe.
2) Expand: Can "the dog's" be spoken as "the dog is"? If yes, use the full form or contraction.
3) Possession: Can you add a noun after "the dog's" (the dog's bowl)? If yes, it's possessive.
4) Rephrase: When unsure, rewrite: "All the dogs are..." or "The dog is..." to remove ambiguity.

Usage: Example: "The dog's are outside" → plural? yes → "The dogs are outside."

FAQ

Is "the dog's are" ever correct?

No. It combines a singular apostrophe form with a plural verb. Use "the dogs are" (plural), "the dog's" = "the dog is" (contraction), or "the dog's + noun" (possessive).

How do I decide between an apostrophe and "are" quickly?

Ask two questions: Am I talking about one or more than one? Is something being owned? If more than one, use "the dogs are". If one and you mean "is", expand to "the dog is".

What's the safest rewrite if I'm unsure?

Make the subject or ownership explicit: "All the dogs are...", "The dog is...", or "The dog's owner said...". Clear wording removes the apostrophe trap.

Will grammar checkers always catch this?

Many tools will flag the error, but they can't always infer your intended meaning. Use the replacement and expansion tests after an automated suggestion.

Any quick rule for possessives and contractions?

Possessive answers "whose?" (the dog's bowl). Contraction expands to "is" (the dog's = the dog is). If neither fits, you probably need the plural noun with no apostrophe.

Want a quick check?

Paste your sentence into a grammar tool or run the three quick tests above: Expand, Replace, Possessive. Then pick the clear rewrite-clarity matters in work, school, and casual writing.