---
title: Most earthquakes and volcanoes happen where plates meet. — Mountains, rivers and seas, and how the land is… · tree and pragmatics
description: Most earthquakes and volcanoes happen where plates meet. Who acts: Most earthquakes, plates. A sentence of the lesson «Mountains, rivers and seas, and how the land is shaped» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Mountains, rivers and seas, and how the land is shaped, sentence 18

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Most earthquakes and volcanoes happen where plates meet.

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**Who acts:** Most earthquakes, plates · **What happens:** happen, meet

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This is a sentence of the lesson «Mountains, rivers and seas, and how the land is shaped» 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 (Most earthquakes, plates), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:043-landforms.lesson:18
# text = Most earthquakes and volcanoes happen where plates meet.
# source = school lesson (ours)
# course = world
# lesson = 043-landforms.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	Most	most	ADJ	JJS	Degree=Sup	2	amod	_	_
2	earthquakes	earthquake	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	volcanoes	volcano	NOUN	NNS	Number=Plur	2	conj	_	_
5	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	where	where	ADV	WRB	PronType=Rel	8	advmod	_	_
7	plates	plate	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	meet	meet	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
9	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed act=assert

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present | Most earthquakes and volcanoes |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **meet** | present | plates |  |  |  |  |  | vn meet-36.3-1 «NP V»: agent=Agent |

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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:world:043-landforms.lesson:18`.

**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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