---
title: In 1656 Christiaan Huygens built a pendulum clock, and good clocks w… — Pendulums, Greenwich and railway time, atomic cl… · tree and pragmatics
description: In 1656 Christiaan Huygens built a pendulum clock, and good clocks went from about 15 minutes wrong a day to about 15 seconds: 60 times better. Who acts: Christiaan, good clocks. A sentence of the lesson «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world course of Mova's 
---

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# Pendulums, Greenwich and railway time, atomic clocks and phones, sentence 2

<!-- .ven lang=en -->
In 1656 Christiaan Huygens built a pendulum clock, and good clocks went from about 15 minutes wrong a day to about 15 seconds: 60 times better.

<!-- .vintro -->
**Who acts:** Christiaan, good clocks · **What happens:** build, go · **To what, where:** pendulum clock, 1656

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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 (Christiaan, good clocks), 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:2
# text = In 1656 Christiaan Huygens built a pendulum clock, and good clocks went from about 15 minutes wrong a day to about 15 seconds: 60 times better.
# 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	In	in	ADP	IN	_	2	case	_	_
2	1656	1656	NUM	CD	NumForm=Digit|NumType=Card	5	obl	_	_
3	Christiaan	Christiaan	PROPN	NNP	Number=Sing	5	nsubj	_	_
4	Huygens	Huygens	PROPN	NNP	Number=Sing	3	flat	_	_
5	built	build	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	pendulum	pendulum	NOUN	NN	Number=Sing	8	compound	_	_
8	clock	clock	NOUN	NN	Number=Sing	5	obj	_	_
9	,	,	PUNCT	,	_	13	punct	_	_
10	and	and	CCONJ	CC	_	13	cc	_	_
11	good	good	ADJ	JJ	Degree=Pos	12	amod	_	_
12	clocks	clock	NOUN	NNS	Number=Plur	13	nsubj	_	_
13	went	go	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	5	conj	_	_
14	from	from	ADP	IN	_	17	case	_	_
15	about	about	ADV	RB	_	16	advmod	_	_
16	15	15	NUM	CD	NumForm=Digit|NumType=Card	17	nummod	_	_
17	minutes	minute	NOUN	NNS	Number=Plur	13	obl	_	_
18	wrong	wrong	ADJ	JJ	Degree=Pos	17	amod	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	day	day	NOUN	NN	Number=Sing	13	obl:unmarked	_	_
21	to	to	ADP	IN	_	24	case	_	_
22	about	about	ADV	RB	_	23	advmod	_	_
23	15	15	NUM	CD	NumForm=Digit|NumType=Card	24	nummod	_	_
24	seconds	second	NOUN	NNS	Number=Plur	13	obl	_	_
25	:	:	PUNCT	:	_	28	punct	_	_
26	60	60	NUM	CD	NumForm=Digit|NumType=Card	27	nummod	_	_
27	times	time	NOUN	NNS	Number=Plur	28	obl:unmarked	_	_
28	better	good	ADJ	JJR	Degree=Cmp	24	amod	_	_
29	.	.	PUNCT	.	_	5	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 | **build** | past | Christiaan | a pendulum clock |  | 1656 |  |  | vn build-26.1-1 «NP V NP»: agent=Agent clock=Product |
| 2 | **go** | past | good clocks |  |  |  | day; minute; second |  | vn disappearance-48.2-1 «NP V»: agent=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.

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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:2`.

**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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