---
title: A canal is a waterway dug by people, and locks, which are chambers w… — Canals: Suez, Panama and the shortcuts · tree and pragmatics
description: A canal is a waterway dug by people, and locks, which are chambers with gates, let ships climb or descend between different water levels. Who acts: canal, locks, ships. A sentence of the lesson «Canals: Suez, Panama and the shortcuts» of the geography course of Mova's primary school with its depende
---

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# Canals: Suez, Panama and the shortcuts, sentence 8

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A canal is a waterway dug by people, and locks, which are chambers with gates, let ships climb or descend between different water levels.

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**Who acts:** canal, locks, ships · **What happens:** be, dug, let, climb, descend · **To what, where:** waterway, chambers, ships

<!-- .vabout -->
This is a sentence of the lesson «Canals: Suez, Panama and the shortcuts» 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 (canal, locks, ships), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:020-canals-suez-panama-and-the-shortcuts.lesson:8
# text = A canal is a waterway dug by people, and locks, which are chambers with gates, let ships climb or descend between different water levels.
# source = school lesson (ours)
# course = geography
# lesson = 020-canals-suez-panama-and-the-shortcuts.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): R1-cc-next ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	canal	canal	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	waterway	waterway	NOUN	NN	Number=Sing	0	root	_	_
6	dug	dug	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
7	by	by	ADP	IN	_	8	case	_	_
8	people	people	NOUN	NNS	Number=Plur	6	obl:agent	_	_
9	,	,	PUNCT	,	_	5	punct	_	_
10	and	and	CCONJ	CC	_	19	cc	_	Agree=R1-cc-next|Haiku=5:cc
11	locks	lock	NOUN	NNS	Number=Plur	19	nsubj	_	_
12	,	,	PUNCT	,	_	15	punct	_	_
13	which	which	PRON	WDT	PronType=Rel	15	nsubj	_	_
14	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
15	chambers	chamber	NOUN	NNS	Number=Plur	11	acl:relcl	_	_
16	with	with	ADP	IN	_	17	case	_	_
17	gates	gate	NOUN	NNS	Number=Plur	15	nmod	_	_
18	,	,	PUNCT	,	_	19	punct	_	_
19	let	let	VERB	VB	Mood=Imp|VerbForm=Fin	5	conj	_	_
20	ships	ship	NOUN	NNS	Number=Plur	19	obj	_	_
21	climb	climb	VERB	VB	VerbForm=Inf	19	xcomp	_	_
22	or	or	CCONJ	CC	_	23	cc	_	Agree=R1-cc-next|Haiku=21:cc
23	descend	descend	VERB	VB	VerbForm=Inf	21	conj	_	_
24	between	between	ADP	IN	_	27	case	_	_
25	different	different	ADJ	JJ	Degree=Pos	27	amod	_	_
26	water	water	NOUN	NN	Number=Sing	27	compound	_	_
27	levels	level	NOUN	NNS	Number=Plur	23	obl	_	_
28	.	.	PUNCT	.	_	5	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 | **is a** | present | a canal | a waterway |  |  |  |  | tree rules |
| 2 | **dug** | participle |  | a waterway *not said here* |  |  |  |  | tree rules |
| 3 | **is a** | present | locks | chambers |  |  |  | with gates | tree rules |
| 4 | **let** | infinitive | locks | ships |  |  |  |  | tree rules |
| 5 | **climb** | infinitive | ships *not said here* |  |  |  |  |  | vn run-51.3.2 «NP V»: agent=Theme |
| 6 | **descend** | infinitive | ships *not said here* |  |  |  |  | between different water levels | vn meander-47.7-1 «NP V»: agent=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:geography:020-canals-suez-panama-and-the-shortcuts.lesson:8`.

**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): R1-cc-next ×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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- ← previous: [Canals: Suez, Panama and the shortcuts, 7](https://md.mova.elamur.ai/free/en/corpora/school/geography/20-canals-suez-panama-and-the-shortcuts/7/)
- next →: [Canals: Suez, Panama and the shortcuts, 9](https://md.mova.elamur.ai/free/en/corpora/school/geography/20-canals-suez-panama-and-the-shortcuts/9/)
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