---
title: A tight elastic band gives a high twang. You loosen it. What happens… — Sound — vibrations, loudness, pitch an… · tree and pragmatics
description: A tight elastic band gives a high twang. You loosen it. What happens to the note? Test 7 of lesson 54 «Sound — vibrations, loudness, pitch and echoes» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 7 · Sound — vibrations, loudness, pitch and echoes

<!-- .ven lang=en -->
A tight elastic band gives a high twang. You loosen it. What happens to the note?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** tight elastic band, You · **What happens:** give, loosen, happen · **To what, where:** high twang, twang

<!-- .vabout -->
This is test 7 of lesson 54 «Sound — vibrations, loudness, pitch and echoes» of the world course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/world/54-sound/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* A tight elastic band gives a high twang.

```conllu
# sent_id = question:world:54-sound:t7:1
# text = A tight elastic band gives a high twang.
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	tight	tight	ADJ	JJ	Degree=Pos	4	amod	_	_
3	elastic	elastic	ADJ	JJ	Degree=Pos	4	amod	_	_
4	band	band	NOUN	NN	Number=Sing	5	nsubj	_	_
5	gives	give	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	high	high	ADJ	JJ	Degree=Pos	8	amod	_	_
8	twang	twang	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present | a tight elastic band | a high twang |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent twang=Theme |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* You loosen it.

```conllu
# sent_id = question:world:54-sound:t7:2
# text = You loosen it.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	2	nsubj	_	_
2	loosen	loosen	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	_
3	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	obj	_	SpaceAfter=No
4	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **loosen** | present | You | twang |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |

<!-- .note -->
*Sentence 3:* What happens to the note?

```conllu
# sent_id = question:world:54-sound:t7:3
# text = What happens to the note?
1	What	what	PRON	WP	PronType=Int	2	nsubj	_	_
2	happens	happen	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	to	to	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	note	note	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
6	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present |  |  |  |  |  | to the note | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
It stays exactly the same

```conllu
# sent_id = question:world:54-sound:t7:o1:1
# text = It stays exactly the same
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	exactly	exactly	ADV	RB	_	5	advmod	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	same	same	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present | It |  |  |  |  | same *property* | vn exist-47.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It becomes higher

```conllu
# sent_id = question:world:54-sound:t7:o2:1
# text = It becomes higher
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	higher	high	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | present | It |  |  |  |  | high *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
It becomes lower

```conllu
# sent_id = question:world:54-sound:t7:o3:1
# text = It becomes lower
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	lower	low	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | present | It |  |  |  |  | low *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It becomes louder only

```conllu
# sent_id = question:world:54-sound:t7:o4:1
# text = It becomes louder only
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	louder	loud	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
4	only	only	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | present | It |  |  |  |  | loud *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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