---
title: Switching a light on uses only a tiny extra burst of power, far less… — Everyday sayings and grown-ups' rules · tree and pragmatics
description: Switching a light on uses only a tiny extra burst of power, far less than leaving it on, so turning lights off when you leave a room saves electricity. Who acts: Switching, you, turning. A sentence of the lesson «Everyday sayings and grown-ups' rules» of the myths course of Mova's primary school wit
---

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# Everyday sayings and grown-ups' rules, sentence 8

<!-- .ven lang=en -->
Switching a light on uses only a tiny extra burst of power, far less than leaving it on, so turning lights off when you leave a room saves electricity.

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**Who acts:** Switching, you, turning · **What happens:** switch on, use, leave on, turn off, leave, save · **To what, where:** light, tiny extra burst, burst, lights, room, electricity

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This is a sentence of the lesson «Everyday sayings and grown-ups' rules» of the myths 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 (Switching, you, turning), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:027-everyday-sayings-and-grown-ups-rules.lesson:8
# text = Switching a light on uses only a tiny extra burst of power, far less than leaving it on, so turning lights off when you leave a room saves electricity.
# source = school lesson (ours)
# course = myths
# lesson = 027-everyday-sayings-and-grown-ups-rules.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, R6-punct-agree ×1, R7-rel-agree ×1
1	Switching	switch	VERB	VBG	Tense=Pres|VerbForm=Part	5	csubj	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	light	light	NOUN	NN	Number=Sing	1	obj	_	_
4	on	on	ADP	RP	_	1	compound:prt	_	_
5	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	only	only	ADV	RB	_	10	advmod	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
8	tiny	tiny	ADJ	JJ	Degree=Pos	10	amod	_	_
9	extra	extra	ADJ	JJ	Degree=Pos	10	amod	_	_
10	burst	burst	NOUN	NN	Number=Sing	5	obj	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	power	power	NOUN	NN	Number=Sing	10	nmod	_	_
13	,	,	PUNCT	,	_	15	punct	_	_
14	far	far	ADV	RB	Degree=Pos	15	advmod	_	_
15	less	less	ADJ	JJR	Degree=Cmp	10	amod	_	Agree=R5-strong|Haiku=5:advcl
16	than	than	SCONJ	IN	_	17	mark	_	_
17	leaving	leave	VERB	VBG	Tense=Pres|VerbForm=Part	15	advcl	_	_
18	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	obj	_	_
19	on	on	ADP	RP	_	17	compound:prt	_	Agree=R7-rel-agree|Haiku=17:advmod|HaikuPos=ADV:RB:_
20	,	,	PUNCT	,	_	30	punct	_	Agree=R6-punct-agree|Haiku=22:punct
21	so	so	ADV	RB	_	30	advmod	_	_
22	turning	turn	VERB	VBG	Tense=Pres|VerbForm=Part	30	csubj	_	_
23	lights	light	NOUN	NNS	Number=Plur	22	obj	_	_
24	off	off	ADP	RP	_	22	compound:prt	_	_
25	when	when	ADV	WRB	PronType=Int	27	advmod	_	_
26	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	27	nsubj	_	_
27	leave	leave	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	22	advcl	_	_
28	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
29	room	room	NOUN	NN	Number=Sing	27	obj	_	_
30	saves	save	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
31	electricity	electricity	NOUN	NN	Number=Sing	30	obj	_	_
32	.	.	PUNCT	.	_	5	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 | **switch on** | gerund |  | a light |  |  |  |  | vn convert-26.6.2-1-1 «NP V NP»: agent=Agent light=Patient |
| 2 | **use** | present | Switching | a tiny extra burst of power |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent burst=Patient |
| 3 | **leave on** | gerund | Switching *not said here* | burst |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent it=Theme |
| 4 | **turn off** | gerund |  | lights |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent light=Patient |
| 5 | **leave** | present | you | a room |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent room=Theme |
| 6 | **save** | present | turning | electricity |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent electricity=Theme |
| 7 | **burst** |  |  | power |  |  |  |  | nom burst «act transitive»: of=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:myths:027-everyday-sayings-and-grown-ups-rules.lesson:8`.

**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, R6-punct-agree ×1, 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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