---
title: Snow forms when water freezes into ice crystals inside a cold cloud. — Weather: pressure, wind, clouds and storms · tree and pragmatics
description: Snow forms when water freezes into ice crystals inside a cold cloud. Who acts: Snow, water. A sentence of the lesson «Weather: pressure, wind, clouds and storms» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Weather: pressure, wind, clouds and storms, sentence 12

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Snow forms when water freezes into ice crystals inside a cold cloud.

<!-- .vintro -->
**Who acts:** Snow, water · **What happens:** form, freeze · **To what, where:** ice crystals

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This is a sentence of the lesson «Weather: pressure, wind, clouds and storms» 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 (Snow, water), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:015-weather.lesson:12
# text = Snow forms when water freezes into ice crystals inside a cold cloud.
# source = school lesson (ours)
# course = world
# lesson = 015-weather.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	Snow	snow	NOUN	NN	Number=Sing	2	nsubj	_	_
2	forms	form	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	when	when	ADV	WRB	PronType=Int	5	advmod	_	_
4	water	water	NOUN	NN	Number=Sing	5	nsubj	_	_
5	freezes	freeze	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
6	into	into	ADP	IN	_	8	case	_	_
7	ice	ice	NOUN	NN	Number=Sing	8	compound	_	_
8	crystals	crystal	NOUN	NNS	Number=Plur	5	obl	_	_
9	inside	inside	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	cold	cold	ADJ	JJ	Degree=Pos	12	amod	_	_
12	cloud	cloud	NOUN	NN	Number=Sing	8	nmod	_	_
13	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | present | Snow |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **freeze** | present | water |  |  | ice crystals inside a cold cloud |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

<!-- .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:world:015-weather.lesson:12`.

**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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