---
title: You must never look straight at the Sun, because it can damage your… — The Sun as a star and the stars · tree and pragmatics
description: You must never look straight at the Sun, because it can damage your eyes. Who acts: You, star. A sentence of the lesson «The Sun as a star and the stars» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The Sun as a star and the stars, sentence 18

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You must never look straight at the Sun, because it can damage your eyes.

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**Who acts:** You, star · **What happens:** not look, damage · **To what, where:** eyes

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This is a sentence of the lesson «The Sun as a star and the stars» 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 (You, star), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:005-the-sun-and-the-stars.lesson:18
# text = You must never look straight at the Sun, because it can damage your eyes.
# source = school lesson (ours)
# course = world
# lesson = 005-the-sun-and-the-stars.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	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	_	_
2	must	must	AUX	MD	VerbForm=Fin	4	aux	_	_
3	never	never	ADV	RB	PronType=Neg	4	advmod	_	_
4	look	look	VERB	VB	VerbForm=Inf	0	root	_	_
5	straight	straight	ADV	RB	_	4	advmod	_	_
6	at	at	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	Sun	Sun	PROPN	NNP	Number=Sing	4	obl	_	_
9	,	,	PUNCT	,	_	4	punct	_	_
10	because	because	SCONJ	IN	_	13	mark	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
12	can	can	AUX	MD	VerbForm=Fin	13	aux	_	_
13	damage	damage	VERB	VB	VerbForm=Inf	4	advcl	_	_
14	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	15	nmod:poss	_	_
15	eyes	eye	NOUN	NNS	Number=Plur	13	obj	_	_
16	.	.	PUNCT	.	_	4	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 | **not** **look** | must | You |  |  |  |  | at the Sun; straight *property* | vn peer-30.3 «NP V PP.theme»: agent=Agent at sun=Theme |
| 2 | **damage** | can | star | your eyes |  |  |  |  | vn destroy-44 «NP.instrument V NP»: agent=Instrument 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:world:005-the-sun-and-the-stars.lesson:18`.

**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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- ← previous: [The Sun as a star and the stars, 17](https://md.mova.elamur.ai/free/en/corpora/school/world/5-the-sun-and-the-stars/17/)
- next →: [Gravity, 0](https://md.mova.elamur.ai/free/en/corpora/school/world/6-gravity/0/)
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