---
title: In 1884 countries chose Greenwich as 0 degrees longitude (longitude… — Pendulums, Greenwich and railway time, atomic cl… · tree and pragmatics
description: In 1884 countries chose Greenwich as 0 degrees longitude (longitude says how far east or west a place is), the Prime Meridian. Who acts: countries, longitude, place. A sentence of the lesson «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world course of Mova's primary schoo
---

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# Pendulums, Greenwich and railway time, atomic clocks and phones, sentence 20

<!-- .ven lang=en -->
In 1884 countries chose Greenwich as 0 degrees longitude (longitude says how far east or west a place is), the Prime Meridian.

<!-- .vintro -->
**Who acts:** countries, longitude, place · **What happens:** choose, say, be · **To what, where:** Greenwich, 1884 · **Speech:** someone speaks here

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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 (countries, longitude, place), 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:20
# text = In 1884 countries chose Greenwich as 0 degrees longitude (longitude says how far east or west a place is), the Prime Meridian.
# 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, R6-punct-agree ×1
1	In	in	ADP	IN	_	2	case	_	_
2	1884	1884	NUM	CD	NumForm=Digit|NumType=Card	4	obl	_	_
3	countries	country	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	chose	choose	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
5	Greenwich	Greenwich	PROPN	NNP	Number=Sing	4	obj	_	_
6	as	as	ADP	IN	_	9	case	_	_
7	0	0	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	degrees	degree	NOUN	NNS	Number=Plur	9	compound	_	_
9	longitude	longitude	NOUN	NN	Number=Sing	4	obl	_	_
10	(	(	PUNCT	-LRB-	_	11	punct	_	_
11	longitude	longitude	NOUN	NN	Number=Sing	9	conj	_	_
12	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	acl	_	_
13	how	how	ADV	WRB	PronType=Int	14	advmod	_	_
14	far	far	ADV	RB	Degree=Pos	12	ccomp	_	_
15	east	east	ADV	RB	_	14	advmod	_	_
16	or	or	CCONJ	CC	_	17	cc	_	_
17	west	west	ADV	RB	_	15	conj	_	Agree=R5-strong|Haiku=14:conj
18	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
19	place	place	NOUN	NN	Number=Sing	14	nsubj	_	_
20	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
21	)	)	PUNCT	-RRB-	_	12	punct	_	Agree=R6-punct-agree|Haiku=14:punct
22	,	,	PUNCT	,	_	25	punct	_	_
23	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
24	Prime	prime	ADJ	JJ	Degree=Pos	25	amod	_	_
25	Meridian	Meridian	PROPN	NNP	Number=Sing	9	appos	_	_
26	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **choose** | past | countries | Greenwich |  | 1884 |  | as degrees longitude and longitude | vn get-13.5.1 «NP V NP»: agent=Agent greenwich=Theme |
| 2 | **say** *speech: assert* | present | longitude *not said here* |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent |
| 3 | **is** | present | a place |  |  |  |  | east, far *property* | tree rules |

<!-- .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:20`.

**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, R6-punct-agree ×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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