---
title: Commas: lists, clauses and clarity — how Mova does on the tests · English
description: Lesson 33 of the english course of Mova's primary school: 2 of 11 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# Commas: lists, clauses and clarity

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**Tests:** 2 of 11 right · **Exam:** 1 of 4 right · **Kind:** plain · **Understood:** 11 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 33 of the english course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: [the lesson in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/english/33-commas-lists-clauses-and-clarity/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/).

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### Test 1 · right ✓ {#t1}

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Your mate goes "commas are just where you take a breath, innit." What is truer?

- **1.** They are only there for breathing when you read aloud — no support
- **2.** They group words to show meaning, not just breaths — **← Mova's choice** · **✓ the right answer** · score 6
- **3.** They are decoration and change nothing — score 3
- **4.** They mean you should stop reading for a second — no support

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**Why:** It took the question to ask where. It chose option 2 with score 6, against 3 for the next best. Its support: lesson 33, line 16: «A comma also cuts off a little tag word added at the end, like "eh" or "innit": "It's cold, eh."», reached through the remembered sentence the question matched. What matched: the same doer «comma» (+4); the same thing acted on «little tag word» (+4). Against it: a different action (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t1/)

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### Test 2 · wrong ✗ {#t2}

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★★★ "My brother who lives in Leeds" versus "My brother, who lives in Leeds". Which one suggests the speaker has more than one brother?

- **1.** Neither says anything about it — **← Mova's choice** · score 1
- **2.** Both suggest exactly that — no support
- **3.** The one without commas — **✓ the right answer** · no support
- **4.** The one with commas — no support

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**Why:** It took the question to ask who or what does it. It chose option 1 with score 1, the only option with support. Its support: lesson 33, line 18: «Liverpool and Manchester speakers say "our kid" for a brother or sister and "me mam" for my mum; in formal writing these become "my brother" and "my mum".», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same action «say» (+1). Against it: a different doer (counts against) (-1); a different thing acted on (counts against) (-1). The right option, 3, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t2/)

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### Test 3 · wrong ✗ {#t3}

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A Gen Z sister texts "slay, babe, slay." Which comma rule is she using?

- **1.** Commas around numbers — **← Mova's choice** · score 4
- **2.** Commas in a list of three foods — no support
- **3.** Commas before or after the person spoken to — **✓ the right answer** · no support
- **4.** Commas after a fronted adverbial at the start — no support

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**Why:** It took the question to ask what it is done to. It chose option 1 with score 4, the only option with support. Its support: lesson 1, line 5: «People learn and speak differently and are still right. Mum in London and Mom in Texas spell that word their own country's way; a girl who speaks Arabic at hom…», reached through the remembered sentence the question matched. What matched: the same action «use» (+4); the same doer «big sister» (+1). Against it: a different thing acted on (counts against) (-1). The right option, 3, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t3/)

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### Test 4 · wrong ✗ {#t4}

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In a cartoon, a sign says "Slow children crossing." What comma would stop the joke?

- **1.** Slow, children crossing — **✓ the right answer** · no support
- **2.** Slow children, crossing — no support
- **3.** Slow children crossing, — no support
- **4.** No comma can change it — **← Mova's choice** · score 1

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**Why:** It took the question to ask what it is done to. It chose option 4 with score 1, the only option with support. Its support: lesson 30, line 12: «Commas around a relative clause can change the meaning of a sentence.», reached through the option's own match among the sentences about the question's things. What matched: the same action «change» (+3). Against it: the same doer «commas» (-1); a different thing acted on (counts against) (-1). The right option, 1, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t4/)

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### Test 5 · wrong ✗ {#t5}

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What would happen if Ahmed took every comma out of "Before eating, the cat washed its paws"?

- **1.** It would become a question — **← Mova's choice** · score 4
- **2.** Nothing, it means exactly the same thing — no support
- **3.** It would become a comma splice — score 4
- **4.** It would sound like someone ate the cat — **✓ the right answer** · score 4

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**Why:** It took the question to ask what happens next. It chose option 1 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 32, line 9: «When you turn active into passive, the tense stays the same: "ate" becomes "was eaten", "eats" becomes "is eaten".», reached through what followed the sentence the question matched. What matched: the same action «become» (+4). The right option, 4, scored 4. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t5/)

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### Test 6 · wrong ✗ {#t6}

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A Canadian kid writes "I want pancakes, maple syrup, eh." ("Eh" is a friendly tag on the end.) Is the comma before "eh" fine?

- **1.** No, "eh" needs a full stop before it — **← Mova's choice** · score 6
- **2.** Yes, it separates the tag at the end — **✓ the right answer** · no support
- **3.** No, "eh" is never written down — no support
- **4.** Yes, because "eh" is part of the list — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 33, line 16: «A comma also cuts off a little tag word added at the end, like "eh" or "innit": "It's cold, eh."», reached through the remembered sentence the question matched. What matched: the same thing acted on «little tag word» (+4); the same circumstance (+4). Against it: a different action (counts against) (-2). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t6/)

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### Test 7 · wrong ✗ {#t7}

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★★★ "I love cooking my family and my dog." Which version clearly shows three separate things the speaker loves?

- **1.** I love cooking, my family, and my dog. — **✓ the right answer** · no support
- **2.** I love, cooking my family and my dog. — **← Mova's choice** · score 5
- **3.** I love cooking my family and, my dog. — score -1
- **4.** I love cooking my family, and my dog. — score -1

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**Why:** It took the question to ask who or what does it. It chose option 2 with score 5, against -1 for the next best. Its support: lesson 1, line 3: «English has 26 letters but about 44 sounds (the exact number changes a little with accent), so some sounds need a team of letters. «sh» in «ship» is two letter…», reached through the remembered sentence the question matched. What matched: the same action «make» (+4); the same thing acted on «one sound» (+4). Against it: a different doer (counts against) (-3). The right option, 1, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t7/)

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### Test 8 · wrong ✗ {#t8}

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Kai, Year 5, writes "Before the match, we had pizza, it was nice." What is wrong?

- **1.** "Pizza" needs capital letters — **← Mova's choice** · score 5
- **2.** It needs a comma after "had" — score 5
- **3.** The second comma joins two sentences: a splice — **✓ the right answer** · no support
- **4.** The first comma, after "match", should not be there at all — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 26, line 4: «The exclamation mark is a trap. «Stop that!» has one, but it is a command. «I love pizza!» has one, but it is a statement said with feeling. And «How are you?»…», reached through the option's own match among the sentences about the question's things. What matched: the same action «ask» (+2); the same doer «pizza» (+2); a different thing acted on (counts against) (+1). The right option, 3, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t8/)

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### Test 9 · wrong ✗ {#t9}

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Dad, bit grumpy: "Read it again, I said commas, not confetti." What is he telling his son?

- **1.** Commas are for parties — no support
- **2.** Throw away all his commas — no support
- **3.** Use far more commas in every sentence he writes — **← Mova's choice** · score 7
- **4.** Use commas only where a rule needs them — **✓ the right answer** · score 7

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**Why:** It took the question to ask what it is done to. It chose option 3 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 33, line 17: «Big numbers often use commas to group digits in threes: 1,000 and 25,000.», reached through the option's own match among the sentences about the question's things. What matched: the same action «use» (+3); it fills the role the question asks for (+2); the same thing acted on «commas» (+1); a different doer (counts against) (+1). The right option, 4, scored 7. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t9/)

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### Test 10 · right ✓ {#t10}

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Which sentence uses the pair of commas to wrap extra information?

- **1.** Mr Lee, our teacher, is tall. — **← Mova's choice** · **✓ the right answer** · no support
- **2.** Mr, Lee our teacher is tall. — no support
- **3.** Mr Lee our, teacher is tall. — no support
- **4.** Mr Lee, our teacher is tall. — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t10/)

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### Test 11 · wrong ✗ {#t11}

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★★★ "We invited the clowns, Anna and Bea." With the Oxford comma "the clowns, Anna, and Bea" what changes?

- **1.** It shows the clowns, Anna and Bea are separate guests — **✓ the right answer** · no support
- **2.** It means Anna and Bea did the inviting — no support
- **3.** It shows Anna and Bea are the clowns — no support
- **4.** Nothing changes at all in meaning — **← Mova's choice** · score 2

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**Why:** It took the question to ask who or what does it. It chose option 4 with score 2, the only option with support. Its support: lesson 30, line 12: «Commas around a relative clause can change the meaning of a sentence.», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same action «change» (+1). Against it: a different doer (counts against) (-1). The right option, 1, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/t11/)

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### Exam question 1 · formal language · right ✓ {#e1}

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Identify the sentence in which the comma serves to indicate the person being addressed.

- **1.** Let's eat, Grandma! — **← Mova's choice** · **✓ the right answer** · no support
- **2.** Let's eat Grandma! — no support
- **3.** Let's, eat Grandma! — no support
- **4.** Let's eat Grandma, now! — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/e1/)

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### Exam question 2 · formal language · wrong ✗ {#e2}

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Which of the following statements most accurately characterises a comma splice?

- **1.** A list of items separated by commas — score 5
- **2.** A comma placed after an opening phrase — no support
- **3.** Two complete sentences joined solely by a comma — **✓ the right answer** · score 5
- **4.** A pair of commas enclosing extra information — **← Mova's choice** · score 10

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**Why:** It took the question to ask who or what does it. It chose option 4 with score 10, against 5 for the next best. Its support: lesson 33, line 16: «A comma also cuts off a little tag word added at the end, like "eh" or "innit": "It's cold, eh."», reached through what was said in the sentence the question matched. What matched: it fills the role the question asks for (+6); the same doer «comma» (+4). The right option, 3, scored 5. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Select the response consistent with established convention in respect of a fronted adverbial.

- **1.** Later that, day we went home. — **← Mova's choice** · no support
- **2.** Later that day, we went home. — **✓ the right answer** · no support
- **3.** Later that day we, went home. — no support
- **4.** Later, that day we went home. — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Ascertain the correctly punctuated version of a sentence containing a non-essential relative clause.

- **1.** My uncle who lives in Cork, sings. — **← Mova's choice** · no support
- **2.** My uncle, who lives in Cork, sings. — **✓ the right answer** · no support
- **3.** My uncle, who lives in Cork sings. — no support
- **4.** My, uncle who lives in Cork sings. — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/english/33-commas-lists-clauses-and-clarity/e4/)

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- ← previous: [32. Active and passive voice, modal verbs](https://md.mova.elamur.ai/free/en/school-run/english/32-active-and-passive-voice-modal-verbs/)
- next →: [34. Apostrophes: missing letters and belonging](https://md.mova.elamur.ai/free/en/school-run/english/34-apostrophes-missing-letters-and-belonging/)
- ↑ back to [English](https://md.mova.elamur.ai/free/en/school-run/english/)