---
title: A plucked guitar string wobbles back and forth very fast and pushes… — What sound is: wobbles in the air · tree and pragmatics
description: A plucked guitar string wobbles back and forth very fast and pushes the air in little waves; press a finger on it and the sound stops. Who acts: plucked guitar string, sound. A sentence of the lesson «What sound is: wobbles in the air» of the physics course of Mova's primary school with its dependen
---

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# What sound is: wobbles in the air, sentence 6

<!-- .ven lang=en -->
A plucked guitar string wobbles back and forth very fast and pushes the air in little waves; press a finger on it and the sound stops.

<!-- .vintro -->
**Who acts:** plucked guitar string, sound · **What happens:** pluck, wobble, push, press, stop · **To what, where:** air, little waves, finger

<!-- .vabout -->
This is a sentence of the lesson «What sound is: wobbles in the air» of the physics course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (plucked guitar string, sound), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:017-what-sound-is-wobbles-in-the-air.lesson:6
# text = A plucked guitar string wobbles back and forth very fast and pushes the air in little waves; press a finger on it and the sound stops.
# source = school lesson (ours)
# course = physics
# lesson = 017-what-sound-is-wobbles-in-the-air.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	Agree=R5-strong|Haiku=5:det
2	plucked	pluck	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	amod	_	_
3	guitar	guitar	NOUN	NN	Number=Sing	4	compound	_	_
4	string	string	NOUN	NN	Number=Sing	5	nsubj	_	_
5	wobbles	wobble	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	back	back	ADV	RB	_	5	advmod	_	_
7	and	and	CCONJ	CC	_	10	cc	_	_
8	forth	forth	ADV	RB	_	6	conj	_	Agree=R5-strong|Haiku=10:advmod
9	very	very	ADV	RB	_	10	advmod	_	_
10	fast	fast	ADJ	JJ	Degree=Pos	5	conj	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	air	air	NOUN	NN	Number=Sing	12	obj	_	_
15	in	in	ADP	IN	_	17	case	_	_
16	little	little	ADJ	JJ	Degree=Pos	17	amod	_	_
17	waves	wave	NOUN	NNS	Number=Plur	12	obl	_	_
18	;	;	PUNCT	:	_	19	punct	_	_
19	press	press	VERB	VB	Mood=Imp|VerbForm=Fin	5	parataxis	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	finger	finger	NOUN	NN	Number=Sing	19	obj	_	_
22	on	on	ADP	IN	_	23	case	_	_
23	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	19	obl	_	_
24	and	and	CCONJ	CC	_	27	cc	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	Agree=R5-strong|Haiku=27:det
26	sound	sound	NOUN	NN	Number=Sing	27	nsubj	_	_
27	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	19	conj	_	_
28	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pluck** | participle |  |  |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V PP-Conative»: agent=Agent |
| 2 | **wobble** | present | a plucked guitar string |  |  |  |  |  | vn modes\_of\_being\_with\_motion-47.3 «NP V»: agent=Theme |
| 3 | **push** | present | a plucked guitar string *not said here* | the air |  | little waves |  |  | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent air=Theme in wave=Trajectory |
| 4 | **press** | infinitive |  | a finger |  | air |  |  | vn push-12-1-1 «NP V NP»: agent=Agent finger=Theme |
| 5 | **stop** | present | the sound |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

<!-- .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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:physics:017-what-sound-is-wobbles-in-the-air.lesson:6`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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