Cleft Sentences

You know that moment in a Slack message or an email when a plain sentence just... sits there? You've written "The finance team missed the deadline," and it's true enough, but the message really wants to put the blame — or the credit — somewhere specific, in bold, unmissable. Or you're drafting a cover letter and "I redesigned the onboarding pack" feels flat next to "What made the difference was..." That itch for emphasis, the one you feel but can't quite name, is exactly what cleft sentences are built for.

Let's be honest — most of us left school never having heard the term, even though we use these constructions constantly in speech. "It was you who suggested that, not me." "What I really need is clear instructions, not another spreadsheet." You reach for these instinctively when precision matters. The good news is: the machinery behind them is simple once you see it, and once you can build them on purpose, they become genuinely useful tools in emails, reports, and anything persuasive.

Before you read on, here's where we're heading. By the end you'll be able to: - Spot cleft sentences quickly in everyday professional English. - Build clear it-clefts and wh-clefts to control emphasis deliberately. - Judge when a cleft actually helps a sentence — and when it just adds clutter. - Use tone and register to make a cleft sound sharp, diplomatic, or persuasive as needed.

Beginner (Foundation): The Basic Shape

Start with something plain:

"The manager approved the budget yesterday."

Straightforward — but flat. Now imagine there's some dispute about who actually approved it. You'd probably say:

"It was the manager who approved the budget yesterday."

Same facts. Different feel. The sentence has split into two parts, and the spotlight now sits squarely on "the manager." That's the whole job of a cleft sentence — it takes an ordinary statement and splits it so one element gets emphasised.

There are two patterns worth knowing cold.

It-clefts:

It + be (is/was/will be) + [focused element] + who/that + [the rest]

• "It was the manager who approved the budget."
• "It is communication that this team needs most."
• "It was in January that we launched the new product."

Wh-clefts (pseudo-clefts):

Wh-word (what/where/when/who) + clause + be + [focused element]

• "What we need is a clear plan."
• "Where I struggle is with the technical details."
• "What annoyed everyone was the sudden deadline."

The opening chunk in a wh-cleft — "What we need," "Where I struggle" — functions a lot like a noun clause; it behaves as a single "thing" in the sentence. If that term doesn't ring a bell, don't worry — treat the whole phrase as a fixed block for now and it'll still work.

Here's the thing to hold onto: whether you say "We need a clear plan" or "What we need is a clear plan," you're describing exactly the same reality. The cleft version just puts "clear plan" under a spotlight.

Common Mistake: Assuming clefts are automatically "more correct" or "more professional." They're not — they're just different. Sometimes they sharpen a sentence. Sometimes they just make it longer for no reason.

Quick recap: - A cleft sentence splits a plain sentence to put emphasis on one part. - It-cleft: It + be + focus + who/that + rest. - Wh-cleft: wh-word + clause + be + focus. - Meaning stays identical — only the emphasis shifts.

Intermediate (Development): Building and Choosing

Once you can see the pattern, the real payoff comes from building these deliberately — which is where they start earning their keep in emails, reports, and job applications.

Step-by-step: an it-cleft

Start with: "The client requested a discount."

Decide what matters most. Say it's the client:

"It was the client who requested a discount."

Or the thing requested:

"It was a discount that the client requested."

Another everyday one — "I sent the email this morning":

• Emphasise I: "It was me who sent the email this morning."
• Emphasise time: "It was this morning that I sent the email."

Both who and that work fine for people here — "It was Lucy who organised it" / "It was Lucy that organised it" — though who often reads slightly more polished in careful writing.

Step-by-step: a wh-cleft

Take: "I hate long, vague meetings."

Build the wh-clause from everything except the bit you're spotlighting:

"What I hate is long, vague meetings."

More from adult life:

• "I need more training." → "What I need is more training."
• "I liked the clear examples in your report." → "What I liked was the clear examples in your report."

Pro-Tip: In a cover letter, wh-clefts sound thoughtful and organised without trying too hard: "What motivates me is solving complex problems." "What I can bring to your team is five years of customer support experience."

When a cleft actually helps

Reach for one when you're:

• Correcting: "No, it was Tuesday that we agreed on, not Monday."
• Contrasting: "It's quality that matters, not quantity."
• Making a pointed observation: "What worries me is the lack of feedback."

Skip it when:

• The sentence is already short and clear ("I'll call you tomorrow" doesn't need to become "It is tomorrow that I will call you" — that's just worse).
• You don't actually know what you want to emphasise yet. Fix your thinking first; the grammar will follow once you do.

Common Mistake: Over-clefting. Turn every other sentence in a report into "It was X that…" and the whole thing starts to feel heavy and self-important. Use clefts like strong spices — sparingly, and in the right dish.

Quick recap: - Build it-clefts by moving the key element straight after "It was." - Build wh-clefts with a wh-word + clause + be + focus. - Reach for a cleft when you're correcting, contrasting, or genuinely emphasising something. - If the cleft makes the sentence clumsier than the plain version, drop it.

Advanced (Mastery): Focus, Information Flow, and Tone

If you're writing reports, pitches, or anything persuasive, this is the level that actually pays off. Clefts aren't decoration — they shape how your reader processes what you're telling them.

Old information vs new information

English generally puts known information first and new, important information later. Clefts push that instinct to an extreme. Consider:

A: "I thought the junior designer made that mistake." B: "No, it was the supplier who made the mistake."

"Made the mistake" is old news — A already said it. "The supplier" is the new, corrective bit, so that's exactly what sits in the spotlight slot, right after "was." Try clefting it the other way —

"It was making the mistake that the supplier did."

— and it sounds bizarre, because that's simply not where the real contrast lives. Before you cleft anything, ask yourself: what does my reader already know or suspect, and what's the one piece I actually need them to register? That's your focus.

Tense and modality move freely

The verb be inside a cleft behaves exactly as it would anywhere else:

• "It was last quarter that sales dropped." (past)
• "It has been clear communication that has kept the project on track." (present perfect)
• "It will be our reputation that suffers." (future)
• "What has changed is our approach, not our values."
• "What will matter in the long term is trust."

The cleft is a frame. Whatever tense or modal your meaning needs, drop it in — the structure doesn't fight you.

Cousins of the cleft

You'll meet several everyday patterns doing similar work without being technically clefts:

• All-clefts: "All I want is a straightforward answer." "All we did was follow the instructions."
• The thing / problem / point is…: "The thing is, we don't have enough data." "The problem is that the deadline is fixed."

Functionally, these do exactly what a cleft does — set up a chunk, then deliver the important payload — even though they're not built the same way underneath.

Register: dressing a cleft up or down

In a formal report:

• "It is employee turnover that poses the greatest risk to the organisation."

In an internal email:

• "What I'm worried about is the impact on the support team."

In a heated conversation:

• "It was you who left the door open!"

Same grammar, wildly different weight. The more abstract your vocabulary, the more formal the cleft sounds — "What matters is customer satisfaction" reads more formal than "What really matters is keeping our customers happy," even though they're built identically. You choose the dial.

Pro-Tip: In persuasive writing — a pitch, a complaint letter, an op-ed — clefts make strong, memorable closing lines: "It is silence that allows this behaviour to continue." "What we're asking for is fair treatment, nothing more."

Quick recap: - Put the genuinely new information in the cleft's spotlight; push old information into the tail clause. - Tense and modality inside a cleft behave exactly as they would in a plain sentence. - "All I want…" and "The problem is…" are close cousins doing similar work. - Vocabulary — not the cleft structure itself — sets how formal or casual the sentence feels.

UK vs US Usage

For cleft sentences, UK and US English work in essentially the same way — the structures, the meanings, the whole business of shifting focus, all shared, no manufactured drama here.

The differences you'll actually spot are mostly spelling (organisation [US: organization], colour [US: color]) and one small habit worth knowing: American writers lean a touch more often on that rather than who for people in it-clefts ("It was Sarah that led the meeting"), where UK writing leans marginally toward who. Both are correct, both are widely used on both sides, and neither will raise an eyebrow.

Key Takeaways

• Cleft sentences split ordinary information into two parts to emphasise one key element.
• It-clefts (It + be + focus + who/that) are sharp tools for correction and contrast.
• Wh-clefts (What/where/when + clause + be + focus) suit thoughtful, defining statements.
• Clefts don't change what's true — they change what feels important.
• Used sparingly, they sharpen emails, reports, and persuasive writing considerably.

Check Your Understanding

1. Turn this into an it-cleft emphasising "the finance team": "The finance team identified the error."

2. Turn this into a wh-cleft emphasising "clear communication": "Clear communication makes the biggest difference."

3. What's being emphasised here? "It was during the rollout that most of the issues appeared." a) the issues b) during the rollout c) appeared

4. Rewrite this complaint-email line using a wh-cleft: "I am concerned about the delays."

5. Is this an it-cleft, a wh-cleft, or neither? "All we did was follow your instructions."

Internal Links

This article should link to: - 3.2 Relative Clauses (for the who/that clause inside it-clefts) - 3.4 Noun Clauses (for the what/where/when clauses inside wh-clefts) - 4.3 Inversion (another way of rearranging word order for emphasis) - 4.4 Fronting (moving elements forward for focus) - 6.4 Sentence Variety (using clefts alongside other structures to keep prose lively and clear)