---
title: A single cell can eat, move and make copies of itself by splitting i… — The microscopic world: cells, the building block… · tree and pragmatics
description: A single cell can eat, move and make copies of itself by splitting in two; that is how your scraped knee heals, as new skin cells divide and fill the gap while the scab protects the wound on top. Who acts: single cell, that, scraped knee, new skin cells. A sentence of the lesson «The microscopic wor
---

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# The microscopic world: cells, the building blocks of life, sentence 2

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A single cell can eat, move and make copies of itself by splitting in two; that is how your scraped knee heals, as new skin cells divide and fill the gap while the scab protects the wound on top.

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**Who acts:** single cell, that, scraped knee, new skin cells, scab · **What happens:** eat, move, make, split, be, scrape · **To what, where:** copies, two, gap, wound, top, view

<!-- .vabout -->
This is a sentence of the lesson «The microscopic world: cells, the building blocks of life» of the biology 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 (single cell, that, scraped knee, new skin cells), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:256-the-microscopic-world-cells-the-building-blocks-of-life.lesson:2
# text = A single cell can eat, move and make copies of itself by splitting in two; that is how your scraped knee heals, as new skin cells divide and fill the gap while the scab protects the wound on top.
# source = school lesson (ours)
# course = biology
# lesson = 256-the-microscopic-world-cells-the-building-blocks-of-life.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, R8-pos-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	single	single	ADJ	JJ	Degree=Pos	3	amod	_	_
3	cell	cell	NOUN	NN	Number=Sing	5	nsubj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	eat	eat	VERB	VB	VerbForm=Inf	0	root	_	_
6	,	,	PUNCT	,	_	7	punct	_	_
7	move	move	VERB	VB	VerbForm=Inf	5	conj	_	Agree=R7-rel-agree|Haiku=5:xcomp
8	and	and	CCONJ	CC	_	9	cc	_	_
9	make	make	VERB	VB	VerbForm=Inf	7	conj	_	_
10	copies	copy	NOUN	NNS	Number=Plur	9	obj	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	itself	itself	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Emp|Reflex=Yes	10	nmod	_	_
13	by	by	SCONJ	IN	_	14	mark	_	_
14	splitting	split	VERB	VBG	Tense=Pres|VerbForm=Part	9	advcl	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	two	two	NUM	CD	NumForm=Word|NumType=Card	14	obl	_	_
17	;	;	PUNCT	,	_	5	punct	_	_
18	that	that	PRON	DT	Number=Sing|PronType=Dem	20	nsubj	_	_
19	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	20	cop	_	_
20	how	how	ADV	WRB	PronType=Int	5	parataxis	_	_
21	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
22	scraped	scrape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	23	amod	_	_
23	knee	knee	NOUN	NN	Number=Sing	24	nsubj	_	_
24	heals	heal	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	20	acl:relcl	_	_
25	,	,	PUNCT	,	_	30	punct	_	_
26	as	as	SCONJ	IN	_	30	mark	_	_
27	new	new	ADJ	JJ	Degree=Pos	29	amod	_	_
28	skin	skin	NOUN	NN	Number=Sing	29	compound	_	_
29	cells	cell	NOUN	NNS	Number=Plur	30	nsubj	_	_
30	divide	divide	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	24	advcl	_	_
31	and	and	CCONJ	CC	_	32	cc	_	_
32	fill	fill	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	30	conj	_	Agree=R8-pos-agree|Haiku=30:conj|HaikuPos=VERB:VB:VerbForm=Inf
33	the	the	DET	DT	Definite=Def|PronType=Art	34	det	_	_
34	gap	gap	NOUN	NN	Number=Sing	32	obj	_	_
35	while	while	SCONJ	IN	_	38	mark	_	_
36	the	the	DET	DT	Definite=Def|PronType=Art	37	det	_	_
37	scab	scab	NOUN	NN	Number=Sing	38	nsubj	_	_
38	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	32	advcl	_	_
39	the	the	DET	DT	Definite=Def|PronType=Art	40	det	_	_
40	wound	wound	NOUN	NN	Number=Sing	38	obj	_	_
41	on	on	ADP	IN	_	42	case	_	_
42	top	top	NOUN	NN	Number=Sing	40	nmod	_	_
43	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | can | a single cell |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |
| 2 | **move** | infinitive | a single cell *not said here* |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **make** | infinitive | a single cell *not said here* | copies of view |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset copy=Product |
| 4 | **split** | gerund | a single cell *not said here* |  |  | two |  |  | vn break-45.1 «NP.patient V»: agent=Patient |
| 5 | **is** | present | that |  |  |  |  | how *property* | tree rules |
| 6 | **scrape** | participle |  |  |  |  |  |  | vn cut-21.1-1 «NP V ADVP-Middle»: agent=Patient |
| 7 | **heal** | present | your scraped knee |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 8 | **divide** | present | new skin cells |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 9 | **fill** | present | new skin cells *not said here* | the gap |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent gap=Patient |
| 10 | **protect** | present | the scab | the wound |  | top |  |  | vn defend-72.3 «NP V NP»: agent=Agent wound=Beneficiary |
| 11 | **copy** |  |  | view |  |  |  |  | nom copy «communication 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:biology:256-the-microscopic-world-cells-the-building-blocks-of-life.lesson:2`.

**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, 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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