---
title: Longitude was so hard that ships were wrecked for centuries, until J… — Directions, latitude and longitude · tree and pragmatics
description: Longitude was so hard that ships were wrecked for centuries, until John Harrison's sea clock let a captain compare London time with local noon. Who acts: Longitude, sea clock, captain. A sentence of the lesson «Directions, latitude and longitude» of the geography course of Mova's primary school with
---

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# Directions, latitude and longitude, sentence 3

<!-- .ven lang=en -->
Longitude was so hard that ships were wrecked for centuries, until John Harrison's sea clock let a captain compare London time with local noon.

<!-- .vintro -->
**Who acts:** Longitude, sea clock, captain · **What happens:** be, wreck, let, compare · **To what, where:** ships

<!-- .vabout -->
This is a sentence of the lesson «Directions, latitude and longitude» of the geography 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, sea clock, captain), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:002-directions-latitude-and-longitude.lesson:3
# text = Longitude was so hard that ships were wrecked for centuries, until John Harrison's sea clock let a captain compare London time with local noon.
# source = school lesson (ours)
# course = geography
# lesson = 002-directions-latitude-and-longitude.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	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	so	so	ADV	RB	_	4	advmod	_	_
4	hard	hard	ADJ	JJ	Degree=Pos	0	root	_	_
5	that	that	SCONJ	IN	_	8	mark	_	_
6	ships	ship	NOUN	NNS	Number=Plur	8	nsubj	_	_
7	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	8	aux:pass	_	_
8	wrecked	wreck	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	advcl	_	_
9	for	for	ADP	IN	_	10	case	_	_
10	centuries	century	NOUN	NNS	Number=Plur	8	obl	_	_
11	,	,	PUNCT	,	_	18	punct	_	_
12	until	until	SCONJ	IN	_	18	mark	_	_
13	John	John	PROPN	NNP	Number=Sing	17	nmod:poss	_	_
14	Harrison	Harrison	PROPN	NNP	Number=Sing	13	flat	_	_
15	's	's	PART	POS	_	13	case	_	_
16	sea	sea	NOUN	NN	Number=Sing	17	compound	_	_
17	clock	clock	NOUN	NN	Number=Sing	18	nsubj	_	_
18	let	let	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	8	advcl	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	captain	captain	NOUN	NN	Number=Sing	21	nsubj	_	_
21	compare	compare	VERB	VB	VerbForm=Inf	18	xcomp	_	_
22	London	London	PROPN	NNP	Number=Sing	23	compound	_	_
23	time	time	NOUN	NN	Number=Sing	21	obj	_	_
24	with	with	ADP	IN	_	26	case	_	_
25	local	local	ADJ	JJ	Degree=Pos	26	amod	_	_
26	noon	noon	NOUN	NN	Number=Sing	21	obl	_	_
27	.	.	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 | **is** | past | Longitude |  |  |  |  | hard *property* | tree rules |
| 2 | **wreck** | past · passive |  | ships |  |  | century |  | vn destroy-44 «NP V NP»: subject=Patient |
| 3 | **let** | past | John's sea clock |  |  |  |  |  | tree rules |
| 4 | **compare** | infinitive | a captain |  |  |  | noon; time |  | vn amalgamate-22.2-2 «NP V ADVP-Middle»: 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:geography:002-directions-latitude-and-longitude.lesson:3`.

**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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