---
title: A hairdryer blows air over hot wires, and has a cut-out that switche… — Washing, drying, vacuuming and ironing · tree and pragmatics
description: A hairdryer blows air over hot wires, and has a cut-out that switches it off if it overheats. Who acts: hairdryer, cut out, air. A sentence of the lesson «Washing, drying, vacuuming and ironing» of the technology course of Mova's primary school with its dependency tree and the pragmatics of every cl
---

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# Washing, drying, vacuuming and ironing, sentence 12

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A hairdryer blows air over hot wires, and has a cut-out that switches it off if it overheats.

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**Who acts:** hairdryer, cut out, air · **What happens:** blow, have, switch off, overheat · **To what, where:** air, hot wires, cut out

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This is a sentence of the lesson «Washing, drying, vacuuming and ironing» of the technology 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 (hairdryer, cut out, air), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:012-washing-drying-vacuuming-ironing.lesson:12
# text = A hairdryer blows air over hot wires, and has a cut-out that switches it off if it overheats.
# source = school lesson (ours)
# course = technology
# lesson = 012-washing-drying-vacuuming-ironing.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	hairdryer	hairdryer	NOUN	NN	Number=Sing	3	nsubj	_	_
3	blows	blow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	air	air	NOUN	NN	Number=Sing	3	obj	_	_
5	over	over	ADP	IN	_	7	case	_	_
6	hot	hot	ADJ	JJ	Degree=Pos	7	amod	_	_
7	wires	wire	NOUN	NNS	Number=Plur	3	obl	_	_
8	,	,	PUNCT	,	_	10	punct	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
12	cut	cut	NOUN	NN	Number=Sing	14	compound	_	Agree=R7-rel-agree|Haiku=14:amod|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part|Voice=Pass
13	-	-	PUNCT	HYPH	_	12	punct	_	_
14	out	out	NOUN	NN	Number=Sing	10	obj	_	_
15	that	that	PRON	WDT	PronType=Rel	16	nsubj	_	_
16	switches	switch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	acl:relcl	_	_
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	obj	_	_
18	off	off	ADP	RP	_	16	compound:prt	_	_
19	if	if	SCONJ	IN	_	21	mark	_	_
20	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	21	nsubj	_	_
21	overheats	overheat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	advcl	_	_
22	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blow** | present | a hairdryer | air |  | hot wires |  |  | vn split-23.2 «NP V NP apart»: agent=Agent air=Patient |
| 2 | **have** | present | a hairdryer *not said here* | a cut out |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent out=Patient |
| 3 | **switch off** | present | a cut out | air |  |  |  |  | vn convert-26.6.2-1-1 «NP V NP»: agent=Agent it=Patient |
| 4 | **overheat** *a condition, not said to happen* | present | air |  |  |  |  |  | vn cooking-45.3 «NP.patient V»: agent=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:technology:012-washing-drying-vacuuming-ironing.lesson:12`.

**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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- ← previous: [Washing, drying, vacuuming and ironing, 11](https://md.mova.elamur.ai/free/en/corpora/school/technology/12-washing-drying-vacuuming-ironing/11/)
- next →: [Washing, drying, vacuuming and ironing, 13](https://md.mova.elamur.ai/free/en/corpora/school/technology/12-washing-drying-vacuuming-ironing/13/)
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