---
title: A toothbrush cannot reach between the teeth, so floss or an interden… — Flossing and caring for your teeth · tree and pragmatics
description: A toothbrush cannot reach between the teeth, so floss or an interdental brush is used once a day. Who acts: toothbrush. A sentence of the lesson «Flossing and caring for your teeth» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Flossing and caring for your teeth, sentence 4

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A toothbrush cannot reach between the teeth, so floss or an interdental brush is used once a day.

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**Who acts:** toothbrush · **What happens:** not reach, use · **To what, where:** floss

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This is a sentence of the lesson «Flossing and caring for your teeth» 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 (toothbrush), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:074-flossing-and-caring-for-teeth.lesson:4
# text = A toothbrush cannot reach between the teeth, so floss or an interdental brush is used once a day.
# source = school lesson (ours)
# course = everyday
# lesson = 074-flossing-and-caring-for-teeth.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 ×2, R7-rel-agree ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	toothbrush	toothbrush	NOUN	NN	Number=Sing	5	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
4	not	not	PART	RB	Polarity=Neg	5	advmod	_	_
5	reach	reach	VERB	VB	VerbForm=Inf	0	root	_	_
6	between	between	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	teeth	tooth	NOUN	NNS	Number=Plur	5	obl	_	_
9	,	,	PUNCT	,	_	17	punct	_	_
10	so	so	ADV	RB	_	17	advmod	_	_
11	floss	floss	NOUN	NN	Number=Sing	17	nsubj:pass	_	_
12	or	or	CCONJ	CC	_	15	cc	_	_
13	an	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
14	interdental	interdental	ADJ	JJ	Degree=Pos	15	amod	_	Agree=R7-rel-agree|Haiku=15:compound|HaikuPos=NOUN:NN:Number=Sing
15	brush	brush	NOUN	NN	Number=Sing	11	conj	_	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux:pass	_	_
17	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	parataxis	_	Agree=R7-rel-agree|Haiku=5:conj
18	once	once	ADV	RB	_	17	advmod	_	Agree=R5-strong|Haiku=20:advmod
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	day	day	NOUN	NN	Number=Sing	18	obl:unmarked	_	Agree=R5-strong|Haiku=17:obl:unmarked
21	.	.	PUNCT	.	_	5	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 | **not** **reach** | can | a toothbrush |  |  |  |  | between the teeth | vn body\_motion-49.2-1-1 «NP V»: agent=Agent |
| 2 | **use** | present · passive |  | floss or a interdental brush |  |  |  | once *property* | vn eat-39.1 «NP V NP»: subject=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:everyday:074-flossing-and-caring-for-teeth.lesson:4`.

**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 ×2, R7-rel-agree ×2. **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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