---
title: A quartz crystal in a watch vibrates 32,768 times every second. — Pendulums, Greenwich and railway time, atomic cl… · tree and pragmatics
description: A quartz crystal in a watch vibrates 32,768 times every second. Who acts: quartz crystal. A sentence of the lesson «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Pendulums, Greenwich and railway time, atomic clocks and phones, sentence 21

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A quartz crystal in a watch vibrates 32,768 times every second.

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**Who acts:** quartz crystal · **What happens:** vibrate

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This is a sentence of the lesson «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world 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 (quartz crystal), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:123-pendulums-greenwich-atomic-clocks.lesson:21
# text = A quartz crystal in a watch vibrates 32,768 times every second.
# source = school lesson (ours)
# course = world
# lesson = 123-pendulums-greenwich-atomic-clocks.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): no change
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	quartz	quartz	NOUN	NN	Number=Sing	3	compound	_	_
3	crystal	crystal	NOUN	NN	Number=Sing	7	nsubj	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	watch	watch	NOUN	NN	Number=Sing	3	nmod	_	_
7	vibrates	vibrate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	32,768	32,768	NUM	CD	NumForm=Digit|NumType=Card	9	nummod	_	_
9	times	time	NOUN	NNS	Number=Plur	7	obl:unmarked	_	_
10	every	every	DET	DT	PronType=Tot	11	det	_	_
11	second	second	NOUN	NN	_	7	obl:unmarked	_	_
12	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **vibrate** | present | a quartz crystal in a watch |  |  |  | second; time |  | vn other\_cos-45.4 «NP.patient V»: agent=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:world:123-pendulums-greenwich-atomic-clocks.lesson:21`.

**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): no change. **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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