---
title: An earthquake is a sudden shaking of the ground when rocks along a c… — Mountains, rivers and seas, and how the land is… · tree and pragmatics
description: An earthquake is a sudden shaking of the ground when rocks along a crack slip. Who acts: earthquake, rocks. 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 8

<!-- .ven lang=en -->
An earthquake is a sudden shaking of the ground when rocks along a crack slip.

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**Who acts:** earthquake, rocks · **What happens:** be, slip · **To what, where:** sudden shaking

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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 (earthquake, rocks), 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:8
# text = An earthquake is a sudden shaking of the ground when rocks along a crack slip.
# 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	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	earthquake	earthquake	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	sudden	sudden	ADJ	JJ	Degree=Pos	6	amod	_	_
6	shaking	shaking	NOUN	NN	Number=Sing	0	root	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	ground	ground	NOUN	NN	Number=Sing	6	nmod	_	_
10	when	when	ADV	WRB	PronType=Int	15	advmod	_	_
11	rocks	rock	NOUN	NNS	Number=Plur	15	nsubj	_	_
12	along	along	ADP	IN	_	14	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	crack	crack	NOUN	NN	Number=Sing	15	obl	_	_
15	slip	slip	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	advcl	_	_
16	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a earthquake | a sudden shaking |  |  |  | of the ground | tree rules |
| 2 | **slip** | present | rocks |  |  |  |  | along a crack | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |

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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: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): 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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