---
title: You never go on ice unless an adult has checked that it is safe. — Pools, lakes and ice · tree and pragmatics
description: You never go on ice unless an adult has checked that it is safe. Who acts: You, adult. A sentence of the lesson «Pools, lakes and ice» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Pools, lakes and ice, sentence 15

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You never go on ice unless an adult has checked that it is safe.

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**Who acts:** You, adult · **What happens:** not go, check, be · **To what, where:** ice

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This is a sentence of the lesson «Pools, lakes and ice» of the everyday 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 (You, adult), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:045-pools-lakes-and-ice.lesson:15
# text = You never go on ice unless an adult has checked that it is safe.
# source = school lesson (ours)
# course = everyday
# lesson = 045-pools-lakes-and-ice.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	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	_	_
2	never	never	ADV	RB	PronType=Neg	3	advmod	_	_
3	go	go	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=VERB:VB:VerbForm=Inf
4	on	on	ADP	IN	_	5	case	_	_
5	ice	ice	NOUN	NN	Number=Sing	3	obl	_	_
6	unless	unless	SCONJ	IN	_	10	mark	_	_
7	an	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	adult	adult	NOUN	NN	Number=Sing	10	nsubj	_	_
9	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux	_	_
10	checked	check	VERB	VBN	Tense=Past|VerbForm=Part	3	advcl	_	_
11	that	that	SCONJ	IN	_	14	mark	_	_
12	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
14	safe	safe	ADJ	JJ	Degree=Pos	10	ccomp	_	_
15	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **go** | present | You |  |  | ice |  |  | vn occur-48.3-2 «NP V PP»: agent=Theme on ice=Location |
| 2 | **check** *a condition, not said to happen* | present · perfect | a adult |  |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent |
| 3 | **is** | present | adult |  |  |  |  | safe *property* | tree rules |

<!-- .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:everyday:045-pools-lakes-and-ice.lesson:15`.

**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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- ← previous: [Pools, lakes and ice, 14](https://md.mova.elamur.ai/free/en/corpora/school/everyday/45-pools-lakes-and-ice/14/)
- next →: [Pools, lakes and ice, 16](https://md.mova.elamur.ai/free/en/corpora/school/everyday/45-pools-lakes-and-ice/16/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/45-pools-lakes-and-ice/)