---
title: Head lice are common in schools, are not caused by being dirty, and… — Washing your body and caring for your hair · tree and pragmatics
description: Head lice are common in schools, are not caused by being dirty, and spread from head to head until they are treated. Who acts: Head lice. A sentence of the lesson «Washing your body and caring for your hair» of the everyday course of Mova's primary school with its dependency tree and the pragmatics 
---

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# Washing your body and caring for your hair, sentence 21

<!-- .ven lang=en -->
Head lice are common in schools, are not caused by being dirty, and spread from head to head until they are treated.

<!-- .vintro -->
**Who acts:** Head lice · **What happens:** be, not cause, spread, treat · **To what, where:** schools, head, lice

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This is a sentence of the lesson «Washing your body and caring for your hair» 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 (Head lice), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:076-washing-your-body-and-hair.lesson:21
# text = Head lice are common in schools, are not caused by being dirty, and spread from head to head until they are treated.
# source = school lesson (ours)
# course = everyday
# lesson = 076-washing-your-body-and-hair.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): R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-agree ×1
1	Head	head	NOUN	NN	Number=Sing	2	compound	_	_
2	lice	louse	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	common	common	ADJ	JJ	Degree=Pos	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	schools	school	NOUN	NNS	Number=Plur	4	obl	_	_
7	,	,	PUNCT	,	_	10	punct	_	Agree=R6-punct-agree|Haiku=6:punct
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
9	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
10	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
11	by	by	SCONJ	IN	_	13	mark	_	Agree=R7-rel-agree|Haiku=13:case|HaikuPos=ADP:IN:_
12	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	13	cop	_	_
13	dirty	dirty	ADJ	JJ	Degree=Pos	10	advcl	_	Agree=R7-rel-agree|Haiku=10:obl
14	,	,	PUNCT	,	_	16	punct	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	spread	spread	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	conj	_	Agree=R8-pos-agree|Haiku=10:conj|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
17	from	from	ADP	IN	_	18	case	_	_
18	head	head	NOUN	NN	Number=Sing	16	obl	_	_
19	to	to	ADP	IN	_	20	case	_	_
20	head	head	NOUN	NN	Number=Sing	18	nmod	_	_
21	until	until	SCONJ	IN	_	24	mark	_	_
22	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	24	nsubj:pass	_	_
23	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	24	aux:pass	_	_
24	treated	treat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	advcl	_	_
25	.	.	PUNCT	.	_	4	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 | **is** | present | Head lice |  |  | schools |  | common *property* | tree rules |
| 2 | **not** **cause** | present · passive | Head lice *not said here* |  |  |  |  |  | vn result-27.2 «NP V PP» |
| 3 | **is** | gerund | Head lice *not said here* |  |  |  |  | dirty *property* | tree rules |
| 4 | **spread** | participle | Head lice *not said here* |  |  | head to head |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 5 | **treat** | present · passive |  | lice *= louse* |  |  |  |  | vn equip-13.4.2-1 «NP V NP.recipient»: subject=Recipient |

<!-- .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:076-washing-your-body-and-hair.lesson:21`.

**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): R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-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 your body and caring for your…, 20](https://md.mova.elamur.ai/free/en/corpora/school/everyday/76-washing-your-body-and-hair/20/)
- next →: [Hair, nails and ears, 0](https://md.mova.elamur.ai/free/en/corpora/school/everyday/77-hair-nails-and-ears/0/)
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