---
title: Filters on school devices are there to keep children safe online. — Classroom rules and homework · tree and pragmatics
description: Filters on school devices are there to keep children safe online. Who acts: Filters. A sentence of the lesson «Classroom rules and homework» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Classroom rules and homework, sentence 13

<!-- .ven lang=en -->
Filters on school devices are there to keep children safe online.

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**Who acts:** Filters · **What happens:** be, keep · **To what, where:** children

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This is a sentence of the lesson «Classroom rules and homework» 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 (Filters), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:254-classroom-rules-and-homework.lesson:13
# text = Filters on school devices are there to keep children safe online.
# source = school lesson (ours)
# course = everyday
# lesson = 254-classroom-rules-and-homework.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): R5-strong ×1
1	Filters	filter	NOUN	NNS	Number=Plur	6	nsubj	_	_
2	on	on	ADP	IN	_	4	case	_	_
3	school	school	NOUN	NN	Number=Sing	4	compound	_	_
4	devices	device	NOUN	NNS	Number=Plur	1	nmod	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	there	there	ADV	RB	PronType=Dem	0	root	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	keep	keep	VERB	VB	VerbForm=Inf	6	advcl	_	_
9	children	child	NOUN	NNS	Number=Plur	8	obj	_	_
10	safe	safe	ADJ	JJ	Degree=Pos	8	xcomp	_	Agree=R5-strong|Haiku=9:amod
11	online	online	ADV	RB	_	8	advmod	_	_
12	.	.	PUNCT	.	_	6	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 | **is** | present | Filters on school devices |  |  |  |  | there *property* | tree rules |
| 2 | **keep** | to-infinitive | Filters on school devices *not said here* | children |  |  |  | online, safe *property* | vn keep-15.2 «NP V NP»: agent=Agent child=Theme |

<!-- .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:254-classroom-rules-and-homework.lesson:13`.

**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): R5-strong ×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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