---
title: Longitude was much harder: the Earth turns a quarter-circle every si… — Explorers and how the world was mapped · tree and pragmatics
description: Longitude was much harder: the Earth turns a quarter-circle every six hours, so comparing local noon with a clock still set to home time shows how far east or west you are. Who acts: Longitude, Earth, comparing, you. A sentence of the lesson «Explorers and how the world was mapped» of the world cour
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/98-explorers-mapping-the-world/10/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Explorers and how the world was mapped](https://md.mova.elamur.ai/free/en/corpora/school/world/98-explorers-mapping-the-world/) / 10

# Explorers and how the world was mapped, sentence 10

<!-- .ven lang=en -->
Longitude was much harder: the Earth turns a quarter-circle every six hours, so comparing local noon with a clock still set to home time shows how far east or west you are.

<!-- .vintro -->
**Who acts:** Longitude, Earth, comparing, you · **What happens:** be, turn, compare, set, show · **To what, where:** quarter circle, clock · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Explorers and how the world was mapped» 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 (Longitude, Earth, comparing, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:098-explorers-mapping-the-world.lesson:10
# text = Longitude was much harder: the Earth turns a quarter-circle every six hours, so comparing local noon with a clock still set to home time shows how far east or west you are.
# source = school lesson (ours)
# course = world
# lesson = 098-explorers-mapping-the-world.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): R6-punct-agree ×1, R7-rel-agree ×2
1	Longitude	longitude	NOUN	NN	Number=Sing	4	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	cop	_	_
3	much	much	ADV	RB	_	4	advmod	_	_
4	harder	hard	ADJ	JJR	Degree=Cmp	0	root	_	_
5	:	:	PUNCT	:	_	8	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	Earth	Earth	PROPN	NNP	Number=Sing	8	nsubj	_	_
8	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
9	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
10	quarter	quarter	NOUN	NN	Number=Sing	12	compound	_	_
11	-	-	PUNCT	HYPH	_	10	punct	_	_
12	circle	circle	NOUN	NN	Number=Sing	8	obj	_	_
13	every	every	DET	DT	PronType=Tot	15	det	_	_
14	six	six	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
15	hours	hour	NOUN	NNS	Number=Plur	8	obl:unmarked	_	_
16	,	,	PUNCT	,	_	29	punct	_	Agree=R6-punct-agree|Haiku=18:punct
17	so	so	ADV	RB	_	18	advmod	_	_
18	comparing	compare	VERB	VBG	Tense=Pres|VerbForm=Part	29	csubj	_	Agree=R7-rel-agree|Haiku=29:nsubj
19	local	local	ADJ	JJ	Degree=Pos	20	amod	_	_
20	noon	noon	NOUN	NN	Number=Sing	18	obj	_	_
21	with	with	ADP	IN	_	23	case	_	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	23	det	_	_
23	clock	clock	NOUN	NN	Number=Sing	18	obl	_	_
24	still	still	ADV	RB	_	25	advmod	_	_
25	set	set	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	23	acl	_	_
26	to	to	ADP	IN	_	28	case	_	_
27	home	home	NOUN	NN	Number=Sing	28	compound	_	_
28	time	time	NOUN	NN	Number=Sing	25	obl	_	_
29	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
30	how	how	ADV	WRB	PronType=Int	31	advmod	_	_
31	far	far	ADV	RB	Degree=Pos	29	ccomp	_	_
32	east	east	ADV	RB	_	31	advmod	_	_
33	or	or	CCONJ	CC	_	34	cc	_	_
34	west	west	ADV	RB	_	32	conj	_	_
35	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	31	nsubj	_	_
36	are	be	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	31	cop	_	_
37	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed polarity=none

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | Longitude |  |  |  |  | hard *property* | tree rules |
| 2 | **turn** | present | the Earth | a quarter circle |  |  | hour |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent circle=Theme |
| 3 | **compare** | gerund |  |  |  |  | noon | with a clock | vn amalgamate-22.2-2 «NP V PP»: agent=Patient with clock=Co-Patient |
| 4 | **set** | participle |  | a clock *not said here* |  |  | still; time |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 5 | **show** | present | comparing |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V»: agent=Agent |
| 6 | **is** | present | you |  |  |  |  | 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.

<!-- div src -->

**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:098-explorers-mapping-the-world.lesson:10`.

**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): R6-punct-agree ×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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Explorers and how the world was mapped, 9](https://md.mova.elamur.ai/free/en/corpora/school/world/98-explorers-mapping-the-world/9/)
- next →: [Explorers and how the world was mapped, 11](https://md.mova.elamur.ai/free/en/corpora/school/world/98-explorers-mapping-the-world/11/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/98-explorers-mapping-the-world/)