---
title: About 250 years ago Britain dug thousands of kilometres of canals, b… — Rivers, canals and boats: locks, weirs, water-mi… · tree and pragmatics
description: About 250 years ago Britain dug thousands of kilometres of canals, because a single horse walking on the towpath could pull a boat carrying far more coal than it could pull in a cart on a bumpy road. Who acts: Britain, single horse, boat, horse. A sentence of the lesson «Rivers, canals and boats: lo
---

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# Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat, sentence 3

<!-- .ven lang=en -->
About 250 years ago Britain dug thousands of kilometres of canals, because a single horse walking on the towpath could pull a boat carrying far more coal than it could pull in a cart on a bumpy road.

<!-- .vintro -->
**Who acts:** Britain, single horse, boat, horse · **What happens:** dig, walk, pull, carry · **To what, where:** thousands, towpath, boat, more coal, cart

<!-- .vabout -->
This is a sentence of the lesson «Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat» of the technology 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 (Britain, single horse, boat, horse), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.lesson:3
# text = About 250 years ago Britain dug thousands of kilometres of canals, because a single horse walking on the towpath could pull a boat carrying far more coal than it could pull in a cart on a bumpy road.
# source = school lesson (ours)
# course = technology
# lesson = 041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.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 ×3
1	About	about	ADV	RB	_	2	advmod	_	_
2	250	250	NUM	CD	NumForm=Digit|NumType=Card	3	nummod	_	_
3	years	year	NOUN	NNS	Number=Plur	4	obl:unmarked	_	Agree=R5-strong|Haiku=6:obl:unmarked
4	ago	ago	ADV	RB	_	6	advmod	_	Agree=R5-strong|Haiku=3:advmod
5	Britain	Britain	PROPN	NNP	Number=Sing	6	nsubj	_	_
6	dug	dig	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
7	thousands	thousand	NOUN	NNS	Number=Plur	6	obj	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	kilometres	kilometre	NOUN	NNS	Number=Plur	7	nmod	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	canals	canal	NOUN	NNS	Number=Plur	9	nmod	_	_
12	,	,	PUNCT	,	_	16	punct	_	_
13	because	because	SCONJ	IN	_	22	mark	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	single	single	ADJ	JJ	Degree=Pos	16	amod	_	_
16	horse	horse	NOUN	NN	Number=Sing	22	nsubj	_	Agree=R5-strong|Haiku=11:nsubj
17	walking	walk	VERB	VBG	VerbForm=Ger	16	acl	_	_
18	on	on	ADP	IN	_	20	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
20	towpath	towpath	NOUN	NN	Number=Sing	17	obl	_	_
21	could	could	AUX	MD	VerbForm=Fin	22	aux	_	_
22	pull	pull	VERB	VB	VerbForm=Inf	6	advcl	_	_
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	boat	boat	NOUN	NN	Number=Sing	22	obj	_	_
25	carrying	carry	VERB	VBG	VerbForm=Ger	24	acl	_	_
26	far	far	ADV	RB	Degree=Pos	27	advmod	_	_
27	more	more	ADJ	JJR	Degree=Cmp	28	amod	_	_
28	coal	coal	NOUN	NN	Number=Sing	25	obj	_	_
29	than	than	SCONJ	IN	_	32	mark	_	_
30	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	32	nsubj	_	_
31	could	could	AUX	MD	VerbForm=Fin	32	aux	_	_
32	pull	pull	VERB	VB	VerbForm=Inf	28	advcl	_	_
33	in	in	ADP	IN	_	35	case	_	_
34	a	a	DET	DT	Definite=Ind|PronType=Art	35	det	_	_
35	cart	cart	NOUN	NN	Number=Sing	32	obl	_	_
36	on	on	ADP	IN	_	39	case	_	_
37	a	a	DET	DT	Definite=Ind|PronType=Art	39	det	_	_
38	bumpy	bumpy	ADJ	JJ	Degree=Pos	39	amod	_	_
39	road	road	NOUN	NN	Number=Sing	32	obl	_	_
40	.	.	PUNCT	.	_	6	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 | **dig** | past | Britain | thousands of kilometres of canals |  |  |  | ago *property* | vn poke-19-1-1-1 «NP V NP.theme»: agent=Agent thousand=Theme |
| 2 | **walk** | gerund | a single horse *not said here* |  |  | the towpath |  |  | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme on towpath=Trajectory |
| 3 | **pull** | could | a single horse | a boat |  |  |  |  | vn push-12-1 «NP V NP»: agent=Agent boat=Theme |
| 4 | **carry** | gerund | a boat *not said here* | more coal |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent coal=Theme |
| 5 | **pull** | could | horse |  |  | a cart |  | on a bumpy road | vn push-12-1 «NP V PP-Conative»: agent=Agent on road=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:technology:041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.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): R5-strong ×3. **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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