Editing and SPaG for Top Bands

AO6 is worth 16 marks on Paper 2 Section B. That is 40% of your Section B score, earned not for what you write but for how accurately and variedly you write it. This lesson is about the technical craft — spelling, punctuation, grammar, sentence variety, precise vocabulary — and about the five-minute proofread routine that systematically recovers 2–4 marks on almost every response.

This lesson develops AO6: use a range of vocabulary and sentence structures for clarity, purpose and effect, with accurate spelling and punctuation. It also reinforces AO5 indirectly: a response with cleaner SPaG sounds more authoritative, which lifts the examiner's perception of tone and register. Think of AO5 and AO6 as a pair of dials — both need to be turned up to hit Grade 8/9.

---

What the AO6 mark scheme actually rewards

Paraphrased from the Edexcel mark scheme, the four AO6 levels look like this:

Level	Mark (AO6)	What it looks like
Level 4	13–16	Wide range of punctuation used accurately; a variety of sentence forms used for effect; ambitious vocabulary spelled correctly
Level 3	9–12	Range of punctuation used mostly accurately; some variety of sentence forms; vocabulary is accurate
Level 2	5–8	Basic punctuation mostly accurate; some sentence variety; occasional spelling errors
Level 1	1–4	Limited punctuation; mostly simple sentences; frequent SPaG errors

Three words do most of the work at the top band: wide, variety, ambitious.

• Wide range of punctuation — more than just full stops and commas. Semi-colons, colons, dashes, apostrophes, question marks, exclamation marks (used sparingly), brackets, ellipses.
• Variety of sentence forms — simple, compound, complex, and occasionally fragment. Different openings (not every sentence starting with The, I, It).
• Ambitious vocabulary — precise, not obscure. Emphatic beats really strong; reluctant beats didn't want to; ordinary beats normal in the right context. Ambitious does not mean sesquipedalian or unctuous. If you wouldn't use a word in speech, double-check you're using it right in writing.

---

Sentence variety: the single biggest AO6 lever

A response where every sentence is the same shape — subject, verb, object, full stop — will ceiling at Level 2 even if there is not a single error. A response with varied sentences, some short, some long, some starting with different words, will reach Level 4 even with a handful of errors.

The four core sentence types

Simple — one main clause, one idea.

The bell rang. The corridors filled. The lesson began.

Compound — two main clauses joined by and, but, or, so, yet.

The bell rang, and within thirty seconds the corridors were full.

Complex — a main clause with one or more subordinate clauses.

When the bell rang, a kind of controlled avalanche began in the corridors, as though the whole school had been holding its breath.

Fragment — a deliberately incomplete sentence for effect.

Then — silence. For perhaps three seconds. Then the bell.

A Level 4 response will use all four, sometimes in the same paragraph. A Level 2 response uses mostly simple and compound. A Level 1 response uses almost only simple.

Varying sentence openings

Equally important: what word your sentence starts with. Here's a Level 2 paragraph:

It was a busy day. It was raining. I was walking to school. I saw my friend. I said hello. He didn't hear me.

Every sentence starts with the subject. All are simple. Now the Level 4 version of the same content:

By the time I reached the end of Park Road, the rain had set in. Walking into it, head down, I almost missed him — my friend Adam, earphones in, looking at his phone. I called his name. Nothing. The rain kept going.

Six sentences, five different opening patterns (By the time…, Walking into it…, I called…, Nothing., The rain…). This is what "variety for effect" means in the mark scheme.

---

The four punctuation marks that separate Level 3 from Level 4

Most students at Grade 6 can use full stops, commas, apostrophes and question marks accurately. What lifts them to Grade 7/8 is using these four more ambitious marks:

Semicolon (;)

Joins two closely-related main clauses.

• The weather was appalling; the match was called off.
• She was not angry; she was tired.

Rule of thumb: if the two halves could each be a sentence on their own, and they are closely related in meaning, a semicolon is appropriate.

Colon (:)

Introduces a list, explanation, or expansion.

• There was only one thing left to do: leave.
• The argument was flawed in three ways: the evidence, the logic, and the framing.

Rule of thumb: what comes after the colon should explain, expand or list what comes before.

Dash (— or –)

Sets off a parenthetical remark for emphasis. More informal than brackets, more emphatic than commas.

• She walked in — pale, breathless, furious — and slammed the door.
• The argument is a familiar one — that teenagers today are lazier than their parents were — and it is familiar because it is wrong.

Rule of thumb: use a dash when you want the parenthetical content to land with weight.

The colon-introduced list with semicolons

For complex lists where items contain commas.

• The meeting considered three questions: whether the policy was working, given the current enrolment figures; whether a revised policy would be more enforceable; and whether the school community would support a change.

This is a Grade 8/9 move. A single correctly-used colon-semicolon list in a Section B response can lift your AO6 from Level 3 to Level 4.

---

Apostrophes: the one rule every top-band response gets right

Apostrophe errors are the single most common AO6 deduction. Two rules cover 95% of cases:

Rule 1: Possession

• Singular noun: add 's — the council's decision, Sarah's book.
• Plural noun ending in s: add ' — the students' books, the councillors' vote.
• Plural noun not ending in s: add 's — the children's playground, the women's team.
• Never use an apostrophe with a possessive pronoun — its, hers, theirs, ours, yours.

Rule 2: Contraction

• it's = it is (or it has).
• its = belonging to it.
• they're = they are. their = belonging to them. there = place.
• who's = who is. whose = belonging to whom.

The single most expensive apostrophe error: writing it's when you mean its. The dog chased it's tail is wrong. The dog chased its tail is correct. It's a very lazy dog is correct.

---

Tense consistency

Pick a tense for your response and stay in it, unless you need to shift deliberately for effect.

Most transactional writing on Paper 2 is in the present (for general arguments) or past (for personal anecdotes). A common mid-paragraph tense slip looks like this:

I remembered walking to school last week. The sky was grey. My friend waves at me from across the road.

The third sentence slips into present tense (waves). Correct: My friend waved at me from across the road.

Deliberate tense shifts

Advanced writers use tense shifts for effect — usually to move from a past anecdote into a present-tense claim.

I remembered walking to school last week. The sky was grey, my friend waved at me from across the road, and I did not wave back because my earphones were in. That, I think, is the problem in a single image.

The final sentence slips into present for emphasis (That, I think, is the problem). This is deliberate and earns marks.

---

Common spelling errors to double-check

Certain words are examiner-magnets — very commonly misspelled, very commonly appearing in GCSE Section B responses:

Commonly misspelled	Correct	Common error
Definitely	definitely	definately
Separate	separate	seperate
Necessary	necessary	neccessary
Receive	receive	recieve
Believe	believe	beleive
Occurred	occurred	occured
Beginning	beginning	begining
Environment	environment	enviroment
Government	government	goverment
Argument	argument	arguement
Until	until	untill
Embarrassed	embarrassed	embarassed
Disappointed	disappointed	dissapointed
Opportunity	opportunity	oppurtunity
Independent	independent	independant

If any word in your response is on this list, check it twice in your proofread.

---

Ambitious vocabulary — precise, not obscure

A common misunderstanding: that "ambitious vocabulary" means using long or rare words. It doesn't. It means using the most precise word for the meaning.