if it (is) something else

Sentences like "If is something else, let me know" drop the subject after if, which makes the clause ungrammatical and confusing. Add a subject (usually it, there, a noun, or a pronoun) or restructure the clause so the subject appears before the verb.

Below: the minimal rule, quick checks, a memory trick, many ready-to-use rewrites, and real-context examples (work, school, casual) so you can fix these errors fast.

Quick answer

"If is something" is wrong because an if-clause needs a subject + verb. Add a subject (it, there, a noun/pronoun) or rephrase. Example: "If it is something else, let me know."

Rule: If + subject + verb + rest.
Tone: use "If it is" in formal writing; "If it's" is fine in casual messages.
Spot it fast: scan for "If is" or read aloud-if you pause after if, insert a subject.

Core explanation: why you need a subject after if

An if-clause is a subordinate clause and needs both a subject and a verb. Writing only if + verb (for example, "If is broken") leaves the action unattached to anything and breaks the sentence.

Fix this either by supplying a subject (it/there/this/the file/the team/you) or by reordering the sentence so the subject appears before the verb.

Pattern: If + subject + verb + (complement).
Common subjects: it, there, this, that, the file/the server/the team, you/we/they.
Exception: inversion (e.g., "Were it to happen...") is advanced and different from simply dropping the subject.

Wrong: If is broken, we'll replace it.
Right: If it is broken, we'll replace it.
Wrong: If is urgent, call the team.
Right: If it's urgent, call the team.

Spacing and typing slips: how this error usually appears

Many cases come from deleting a short word by mistake, a bad copy/paste, or auto-correct that altered a phrase. Often the sentence originally had the subject and it was removed in editing.

Use simple search patterns and a read-aloud check to catch these slips quickly.

Look for: If + whitespace + is/was/are + short remainder - likely a missing subject.
Editor trick: search for the regex pattern "If\s+is\b" to find candidates.
Read aloud: a pause after if usually signals a missing word.

Wrong: If is something we should discuss, tell me when you're free.
Right: If it is something we should discuss, tell me when you're free.
Wrong: If is in the schedule, move the meeting.
Right: If it is in the schedule, move the meeting.

Hyphenation, contractions, and its vs. it's

"It's" = "it is" (contraction); "its" is the possessive form. Use "it is" in formal writing and "it's" in casual contexts. Never hyphenate the clause (don't write "if-it-is").

Wrong: "If its broken" → uses the possessive incorrectly.
Correct: "If it's broken."
Formal: prefer "If it is."
Casual: "If it's" is fine.
No hyphens in standard conditional clauses.

Wrong: If its broken, we have a bigger problem.
Right: If it's broken, we have a bigger problem.
Wrong: If its the case, act now.
Right: If it is the case, act now.

Memory trick: three quick checks before you hit send

Use the 3C check: Complete? Clear? Contraction? Run it whenever you write an if-clause.

Complete - Does the clause have subject + verb? If not, add one (it/there/this).
Clear - Is the referent obvious? If not, use a specific noun (the report/the server).
Contraction - Use "it's" only for a casual tone; use "it is" in formal writing.

Quick test: Say the clause aloud. "If (pause) is broken" → insert a subject: "If it is broken."
When unsure: Ask "If what?" or "If who?" That answer gives the subject (e.g., "If the file is corrupted...").

Try your own sentence

Test the whole sentence, not just the fragment. Context usually makes the correct subject obvious.

Real usage: copy-paste rewrites for work, school, and casual contexts

Grouped examples show a wrong original and natural fixes. Each group offers formal and casual alternatives where appropriate.

Professional: choose explicit nouns or write "it is."
Academic: use full forms and clear referents (the sample, the data).
Casual: contractions and pronouns are fine, but don't drop the subject.

Work:
Wrong: "If is delayed, inform the client." →
Right: "If it is delayed, inform the client." / "If the shipment is delayed, inform the client."
Work:
Wrong: "If is missing, we lose the data." →
Right: "If the file is missing, we lose the data."
Work:
Wrong: "If is not approved by Friday, escalate." →
Right: "If it is not approved by Friday, escalate to management."
School:
Wrong: "If is evidence lacking, hypothesis fails." →
Right: "If the evidence is lacking, the hypothesis fails." / "If there is lacking evidence, the hypothesis fails."
School:
Wrong: "If is this the only source, cite carefully." →
Right: "If this is the only source, cite it carefully."
School:
Wrong: "If is unclear, ask the TA." →
Right: "If it is unclear, ask the TA."
Casual:
Wrong: "If is cold, bring a jacket." →
Right: "If it's cold, bring a jacket."
Casual:
Wrong: "If is free, swing by later." →
Right: "If you're free, swing by later."
Casual:
Wrong: "If is fine with you, let's go." →
Right: "If it's fine with you, let's go."

Rewrite help: templates and many quick rewrites

Pick one of three templates to repair most "If is" problems: generic it, specific noun, or existential there. Adjust tone with contractions or specific nouns.

Template A (generic): If it is + [adjective/noun phrase], + main clause. Example: "If it is delayed, call me."
Template B (specific): If + [noun] + is + [adjective], + main clause. Example: "If the server is down, restart it."
Template C (existential): If there is + [noun], + main clause. Example: "If there is any issue, contact support."

Rewrite:
Wrong: "If is something else, let me know." → "If it is something else, let me know."
Rewrite:
Wrong: "If is the budget tight, delay the purchase." → "If the budget is tight, delay the purchase."
Rewrite:
Wrong: "If is any issue, email IT." → "If there is any issue, email IT."
Rewrite:
Wrong: "If is intermittent, the device will fail." → "If the issue is intermittent, the device will fail."
Rewrite:
Wrong: "If is free, I'll come over." → "If you're free, I'll come over."
Rewrite:
Wrong: "If is correct, proceed." → "If it is correct, proceed." / "If this is correct, proceed."

Similar mistakes and related pitfalls

The same subject omission happens after when, unless, because, though, and other subordinating conjunctions. Also watch for dangling modifiers where the if-clause doesn't clearly match the main clause subject.

Checking for a subject after any subordinating conjunction prevents multiple errors at once.

When → "When it is finished, we can ship." (not "When is finished").
Unless → "Unless it is approved, we wait." (not "Unless is approved").
Because → "Because it was late, we rescheduled." (not "Because was late").
Watch dangling if-clauses: "If it's broken, restart it" must make clear what "it" refers to.

Wrong: When is finished, we can ship.
Right: When it is finished, we can ship.
Wrong: Unless is approved, we wait.
Right: Unless it is approved, we wait.
Wrong: Because was late, we missed the train.
Right: Because it was late, we missed the train.

Grammar corner: exceptions and advanced forms

Some legitimate forms move the subject or omit words deliberately, such as inversion in formal conditionals ("Were it to happen...") or terse headlines. These are stylistic choices with clear patterns-not the same as accidentally deleting the subject.

Inversion: "Were it to happen, we'd cancel" - formal and correct, not the same as "If is snowing."
Ellipsis in headlines: "If late, call" works as a label but not in full sentences.
Default rule for prose: include a subject after if.

Usage: Inversion (formal): "Were it to happen, we would respond immediately."
Usage: Headline/label (terse): "If late, call" (acceptable on a note, not in full prose).
Usage: Standard prose: "If it happens, we will respond immediately."

FAQ

Can I ever write "If is" in casual messages?

No. Dropping the subject after if confuses readers even in casual messages. Use "If it's," "If you're," or add the correct noun/pronoun.

Which subject should I choose - it, there, or a noun?

Pick the clearest referent. Use "it" for an abstract or previously mentioned thing, "there is/are" for existence, and a specific noun (the file/server) when the item is known.

Will grammar checkers find every missing subject after if?

Many flag obvious cases, but complex sentences or edits can slip through. Use a targeted search for "If is" and read clauses aloud to be sure.

Is "If it's" acceptable in formal writing?

Avoid contractions in formal writing; prefer "If it is." Follow your style guide-some contexts accept contractions sparingly.

Quickest fix when I spot a sentence like "If is []"?

Insert a likely subject (usually "it") and read the sentence. If it makes sense, keep it or replace "it" with a more specific noun. If it's still awkward, rephrase the clause.

Need a second pair of eyes?

If you're unsure, paste the sentence into your editor and read it aloud-missing subjects create a noticeable pause after if.

Keep three templates handy: "If it is...," "If the [noun] is...," and "If there is...". They fix most problems instantly.