---
title: Pendulums can't keep time on rolling seas, so this was impossible un… — Pendulums, Greenwich and railway time, atomic cl… · tree and pragmatics
description: Pendulums can't keep time on rolling seas, so this was impossible until John Harrison, a carpenter born in Yorkshire, built sea clocks in the 1700s. Who acts: Pendulums, this, John. A sentence of the lesson «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world course of Mova
---

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# Pendulums, Greenwich and railway time, atomic clocks and phones, sentence 5

<!-- .ven lang=en -->
Pendulums can't keep time on rolling seas, so this was impossible until John Harrison, a carpenter born in Yorkshire, built sea clocks in the 1700s.

<!-- .vintro -->
**Who acts:** Pendulums, this, John · **What happens:** not keep, roll, be, bear, build · **To what, where:** rolling seas, carpenter, Yorkshire, sea clocks, 1700s

<!-- .vabout -->
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 (Pendulums, this, John), 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:5
# text = Pendulums can't keep time on rolling seas, so this was impossible until John Harrison, a carpenter born in Yorkshire, built sea clocks in the 1700s.
# 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): R5-strong ×1, R7-rel-agree ×2
1	Pendulums	pendulum	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	ca	can	AUX	MD	VerbForm=Fin	4	aux	_	_
3	n't	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	keep	keep	VERB	VB	VerbForm=Inf	0	root	_	_
5	time	time	NOUN	NN	Number=Sing	4	obj	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	rolling	roll	VERB	VBG	VerbForm=Ger	8	amod	_	Agree=R7-rel-agree|Haiku=8:compound|HaikuPos=NOUN:NN:Number=Sing
8	seas	sea	NOUN	NNS	Number=Plur	4	obl	_	Agree=R5-strong|Haiku=5:nmod
9	,	,	PUNCT	,	_	13	punct	_	_
10	so	so	ADV	RB	_	13	advmod	_	_
11	this	this	PRON	DT	Number=Sing|PronType=Dem	13	nsubj	_	_
12	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	cop	_	_
13	impossible	impossible	ADJ	JJ	Degree=Pos	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
14	until	until	SCONJ	IN	_	24	mark	_	_
15	John	John	PROPN	NNP	Number=Sing	24	nsubj	_	_
16	Harrison	Harrison	PROPN	NNP	Number=Sing	15	flat	_	_
17	,	,	PUNCT	,	_	19	punct	_	_
18	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
19	carpenter	carpenter	NOUN	NN	Number=Sing	15	appos	_	_
20	born	bear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	19	acl	_	_
21	in	in	ADP	IN	_	22	case	_	_
22	Yorkshire	Yorkshire	PROPN	NNP	Number=Sing	20	obl	_	_
23	,	,	PUNCT	,	_	26	punct	_	_
24	built	build	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	advcl	_	_
25	sea	sea	NOUN	NN	Number=Sing	26	compound	_	_
26	clocks	clock	NOUN	NNS	Number=Plur	24	obj	_	_
27	in	in	ADP	IN	_	29	case	_	_
28	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
29	1700s	1700	NOUN	NNS	Number=Ptan|NumForm=Combi|NumType=Card	24	obl	_	_
30	.	.	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 | **not** **keep** | can | Pendulums |  |  | rolling seas | time |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent on sea=Location |
| 2 | **roll** | gerund |  |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 3 | **is** | past | this |  |  |  |  | impossible *property* | tree rules |
| 4 | **bear** | participle |  | a carpenter *not said here* |  | Yorkshire |  |  | vn admire-31.2 «NP V that S»: agent=Experiencer |
| 5 | **build** | past | John | sea clocks |  | the 1700s |  |  | vn build-26.1-1 «NP V NP»: agent=Agent clock=Product |

<!-- .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:5`.

**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, R7-rel-agree ×2. **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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