---
title: Hurricanes form over warm tropical seas and get their energy from th… — Storms: thunder, lightning, hurricanes and torna… · tree and pragmatics
description: Hurricanes form over warm tropical seas and get their energy from the warm water. Who acts: Hurricanes. A sentence of the lesson «Storms: thunder, lightning, hurricanes and tornadoes» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Storms: thunder, lightning, hurricanes and tornadoes, sentence 10

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Hurricanes form over warm tropical seas and get their energy from the warm water.

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**Who acts:** Hurricanes · **What happens:** form, get · **To what, where:** warm tropical seas, energy, warm water

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This is a sentence of the lesson «Storms: thunder, lightning, hurricanes and tornadoes» 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 (Hurricanes), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:068-storms-and-wild-winds.lesson:10
# text = Hurricanes form over warm tropical seas and get their energy from the warm water.
# source = school lesson (ours)
# course = world
# lesson = 068-storms-and-wild-winds.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 ×1, R8-pos-agree ×1
1	Hurricanes	hurricane	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	form	form	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	over	over	ADP	IN	_	6	case	_	_
4	warm	warm	ADJ	JJ	Degree=Pos	6	amod	_	_
5	tropical	tropical	ADJ	JJ	Degree=Pos	6	amod	_	_
6	seas	sea	NOUN	NNS	Number=Plur	2	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	Agree=R1-cc-next|Haiku=2:cc
8	get	get	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	Agree=R8-pos-agree|Haiku=2:conj|HaikuPos=VERB:VB:VerbForm=Inf
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	energy	energy	NOUN	NN	Number=Sing	8	obj	_	_
11	from	from	ADP	IN	_	14	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	warm	warm	ADJ	JJ	Degree=Pos	14	amod	_	_
14	water	water	NOUN	NN	Number=Sing	8	obl	_	_
15	.	.	PUNCT	.	_	2	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 | **form** | present | Hurricanes |  |  | warm tropical seas |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme over sea=Location |
| 2 | **get** | present | Hurricanes *not said here* | seas's energy |  | the warm water |  |  | vn get-13.5.1-1 «NP V NP PP.source»: agent=Agent energy=Theme from water=Source |

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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:068-storms-and-wild-winds.lesson:10`.

**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 ×1, 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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