---
title: An estuary is a river mouth where fresh water meets the tide, and ma… — Rivers shaping the land · tree and pragmatics
description: An estuary is a river mouth where fresh water meets the tide, and many great ports grew on them. Who acts: estuary, fresh water, many great ports. A sentence of the lesson «Rivers shaping the land» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every 
---

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# Rivers shaping the land, sentence 15

<!-- .ven lang=en -->
An estuary is a river mouth where fresh water meets the tide, and many great ports grew on them.

<!-- .vintro -->
**Who acts:** estuary, fresh water, many great ports · **What happens:** be, meet, grow · **To what, where:** river mouth, tide

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This is a sentence of the lesson «Rivers shaping the land» 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 (estuary, fresh water, many great ports), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:053-rivers-shaping-the-land.lesson:15
# text = An estuary is a river mouth where fresh water meets the tide, and many great ports grew on them.
# source = school lesson (ours)
# course = geography
# lesson = 053-rivers-shaping-the-land.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	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	estuary	estuary	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	river	river	NOUN	NN	Number=Sing	6	compound	_	_
6	mouth	mouth	NOUN	NN	Number=Sing	0	root	_	_
7	where	where	ADV	WRB	PronType=Rel	10	advmod	_	_
8	fresh	fresh	ADJ	JJ	Degree=Pos	9	amod	_	_
9	water	water	NOUN	NN	Number=Sing	10	nsubj	_	_
10	meets	meet	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	tide	tide	NOUN	NN	Number=Sing	10	obj	_	_
13	,	,	PUNCT	,	_	18	punct	_	_
14	and	and	CCONJ	CC	_	18	cc	_	_
15	many	many	ADJ	JJ	Degree=Pos	17	amod	_	_
16	great	great	ADJ	JJ	Degree=Pos	17	amod	_	_
17	ports	port	NOUN	NNS	Number=Plur	18	nsubj	_	_
18	grew	grow	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	6	conj	_	_
19	on	on	ADP	IN	_	20	case	_	_
20	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	18	obl	_	_
21	.	.	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 | **is a** | present | a estuary | a river mouth |  |  |  |  | tree rules |
| 2 | **meet** | present | fresh water | the tide |  |  |  |  | vn meet-36.3-1 «NP V NP»: agent=Agent tide=Co-Agent |
| 3 | **grow** | past | many great ports |  |  |  |  | on water | vn appear-48.1.1 «NP V PP.location»: agent=Theme on they=Location |

<!-- .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:053-rivers-shaping-the-land.lesson:15`.

**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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