---
title: Piano keys are pressed gently, because banging them can damage the k… — Music practice and ball games · tree and pragmatics
description: Piano keys are pressed gently, because banging them can damage the keys and the hammers inside. Who acts: banging. A sentence of the lesson «Music practice and ball games» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Music practice and ball games, sentence 13

<!-- .ven lang=en -->
Piano keys are pressed gently, because banging them can damage the keys and the hammers inside.

<!-- .vintro -->
**Who acts:** banging · **What happens:** press, bang, damage · **To what, where:** Piano keys, keys

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This is a sentence of the lesson «Music practice and ball games» of the everyday 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 (banging), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:246-music-practice-and-ball-safety.lesson:13
# text = Piano keys are pressed gently, because banging them can damage the keys and the hammers inside.
# source = school lesson (ours)
# course = everyday
# lesson = 246-music-practice-and-ball-safety.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 ×1
1	Piano	piano	NOUN	NN	Number=Sing	2	compound	_	_
2	keys	key	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	pressed	press	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	gently	gently	ADV	RB	_	4	advmod	_	_
6	,	,	PUNCT	,	_	8	punct	_	_
7	because	because	SCONJ	IN	_	11	mark	_	_
8	banging	bang	VERB	VBG	Tense=Pres|VerbForm=Part	11	csubj	_	_
9	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	8	obj	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	damage	damage	VERB	VB	VerbForm=Inf	4	advcl	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	keys	key	NOUN	NNS	Number=Plur	11	obj	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	hammers	hammer	NOUN	NNS	Number=Plur	13	conj	_	_
17	inside	inside	ADV	RB	_	16	advmod	_	Agree=R5-strong|Haiku=11:advmod
18	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **press** | present · passive |  | Piano keys |  |  |  | gently *property* | vn push-12-1-1 «NP V NP»: subject=Theme |
| 2 | **bang** | gerund |  | keys *= key* |  |  |  |  | vn sound\_emission-43.2 «PP.location V NP»: agent=Location they=Theme |
| 3 | **damage** | can | banging | the keys and the hammers |  |  |  |  | vn destroy-44 «NP V NP»: agent=Agent key=Patient |

<!-- .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:everyday:246-music-practice-and-ball-safety.lesson:13`.

**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 ×1. **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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