---
title: Safety glasses are worn when you are told to during experiments, bec… — Teeth, nails, baths and toilets · tree and pragmatics
description: Safety glasses are worn when you are told to during experiments, because chemicals can hurt eyes for life. Who acts: chemicals. A sentence of the lesson «Teeth, nails, baths and toilets» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Teeth, nails, baths and toilets, sentence 16

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Safety glasses are worn when you are told to during experiments, because chemicals can hurt eyes for life.

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**Who acts:** chemicals · **What happens:** wear, tell, hurt · **To what, where:** Safety glasses, you, eyes · **Speech:** someone speaks here

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This is a sentence of the lesson «Teeth, nails, baths and toilets» 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 (chemicals), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:208-teeth-nails-baths-and-toilets.lesson:16
# text = Safety glasses are worn when you are told to during experiments, because chemicals can hurt eyes for life.
# source = school lesson (ours)
# course = everyday
# lesson = 208-teeth-nails-baths-and-toilets.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): R7-rel-agree ×1
1	Safety	safety	NOUN	NN	Number=Sing	2	compound	_	_
2	glasses	glass	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	worn	wear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	when	when	ADV	WRB	PronType=Int	8	advmod	_	_
6	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	8	nsubj:pass	_	_
7	are	be	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	8	aux:pass	_	_
8	told	tell	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	advcl	_	_
9	to	to	PART	TO	_	8	xcomp	_	Agree=R7-rel-agree|Haiku=8:obl|HaikuPos=ADP:IN:_
10	during	during	ADP	IN	_	11	case	_	_
11	experiments	experiment	NOUN	NNS	Number=Plur	8	obl	_	_
12	,	,	PUNCT	,	_	16	punct	_	_
13	because	because	SCONJ	IN	_	16	mark	_	_
14	chemicals	chemical	NOUN	NNS	Number=Plur	16	nsubj	_	_
15	can	can	AUX	MD	VerbForm=Fin	16	aux	_	_
16	hurt	hurt	VERB	VB	VerbForm=Inf	4	advcl	_	_
17	eyes	eye	NOUN	NNS	Number=Plur	16	obj	_	_
18	for	for	ADP	IN	_	19	case	_	_
19	life	life	NOUN	NN	Number=Sing	16	obl	_	_
20	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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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 | **wear** | present · passive |  | Safety glasses |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.source»: subject=Source |
| 2 | **tell** *speech: assert* | present · passive |  | you |  |  | during experiments |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: subject=Recipient |
| 3 | **hurt** | can | chemicals | eyes |  |  |  | for life | vn hurt-40.8.3-2 «NP V NP»: agent=Experiencer eye=Patient |

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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:everyday:208-teeth-nails-baths-and-toilets.lesson:16`.

**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): R7-rel-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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