---
title: Most volcanoes sit along plate boundaries, either where plates pull… — Volcanoes: how and where · tree and pragmatics
description: Most volcanoes sit along plate boundaries, either where plates pull apart or where one plate dives under another. Who acts: Most volcanoes, plates, one plate. A sentence of the lesson «Volcanoes: how and where» of the geography course of Mova's primary school with its dependency tree and the pragmat
---

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# Volcanoes: how and where, sentence 7

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Most volcanoes sit along plate boundaries, either where plates pull apart or where one plate dives under another.

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**Who acts:** Most volcanoes, plates, one plate · **What happens:** sit, pull apart, dive · **To what, where:** plate boundaries, another

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This is a sentence of the lesson «Volcanoes: how and where» 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 (Most volcanoes, plates, one plate), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:046-volcanoes-how-and-where.lesson:7
# text = Most volcanoes sit along plate boundaries, either where plates pull apart or where one plate dives under another.
# source = school lesson (ours)
# course = geography
# lesson = 046-volcanoes-how-and-where.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): R8-pos-agree ×1
1	Most	most	ADJ	JJS	Degree=Sup	2	amod	_	_
2	volcanoes	volcano	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	sit	sit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	along	along	ADP	IN	_	6	case	_	_
5	plate	plate	NOUN	NN	Number=Sing	6	compound	_	_
6	boundaries	boundary	NOUN	NNS	Number=Plur	3	obl	_	_
7	,	,	PUNCT	,	_	11	punct	_	_
8	either	either	CCONJ	CC	_	11	cc:preconj	_	_
9	where	where	ADV	WRB	PronType=Rel	11	advmod	_	_
10	plates	plate	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	pull	pull	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
12	apart	apart	ADV	RB	_	11	advmod	_	_
13	or	or	CCONJ	CC	_	17	cc	_	_
14	where	where	ADV	WRB	PronType=Rel	17	advmod	_	_
15	one	one	NUM	CD	NumForm=Word|NumType=Card	16	nummod	_	_
16	plate	plate	NOUN	NN	Number=Sing	17	nsubj	_	_
17	dives	dive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	conj	_	_
18	under	under	ADP	IN	_	19	case	_	_
19	another	another	DET	DT	PronType=Ind	17	obl	_	Agree=R8-pos-agree|Haiku=17:obl|HaikuPos=PRON:DT:PronType=Ind
20	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sit** | present | Most volcanoes |  |  | plate boundaries |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent along boundary=Location |
| 2 | **pull apart** | present | plates |  |  |  |  | apart *property* | vn slide-11.2 «NP V»: agent=Theme |
| 3 | **dive** | present | one plate |  |  | another |  |  | vn search-35.2 «NP V PP.location»: agent=Agent under another=Location |

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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:geography:046-volcanoes-how-and-where.lesson:7`.

**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): R8-pos-agree ×1. **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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