---
title: Mice have four front teeth, the incisors, which keep growing all the… — How real mice survive: squeezing, climbing and h… · tree and pragmatics
description: Mice have four front teeth, the incisors, which keep growing all their lives and are worn down by gnawing; mice can gnaw wood, plastic and even electric cables, which can cause fires; rats, squirrels, beavers and rabbits also have front teeth that never stop growing. Who acts: Mice, incisors, electr
---

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# How real mice survive: squeezing, climbing and hiding, sentence 9

<!-- .ven lang=en -->
Mice have four front teeth, the incisors, which keep growing all their lives and are worn down by gnawing; mice can gnaw wood, plastic and even electric cables, which can cause fires; rats, squirrels, beavers and rabbits also have front teeth that never stop growing.

<!-- .vintro -->
**Who acts:** Mice, incisors, electric cables, rats, front teeth · **What happens:** have, keep, grow, wear down, gnaw, cause · **To what, where:** four front teeth, lives, wood, fires, front teeth

<!-- .vabout -->
This is a sentence of the lesson «How real mice survive: squeezing, climbing and hiding» 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 (Mice, incisors, electric cables, rats), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:120-how-real-mice-survive.lesson:9
# text = Mice have four front teeth, the incisors, which keep growing all their lives and are worn down by gnawing; mice can gnaw wood, plastic and even electric cables, which can cause fires; rats, squirrels, beavers and rabbits also have front teeth that never stop growing.
# source = school lesson (ours)
# course = biology
# lesson = 120-how-real-mice-survive.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 ×3, R7-rel-agree ×1
1	Mice	mouse	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	four	four	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
4	front	front	ADJ	JJ	Degree=Pos	5	amod	_	_
5	teeth	tooth	NOUN	NNS	Number=Plur	2	obj	_	_
6	,	,	PUNCT	,	_	8	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	incisors	incisor	NOUN	NNS	Number=Plur	5	appos	_	Agree=R7-rel-agree|Haiku=5:conj
9	,	,	PUNCT	,	_	12	punct	_	_
10	which	which	PRON	WDT	PronType=Rel	11	nsubj	_	_
11	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
12	growing	grow	VERB	VBG	VerbForm=Ger	11	xcomp	_	_
13	all	all	DET	PDT	PronType=Tot	15	det:predet	_	_
14	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	15	nmod:poss	_	_
15	lives	life	NOUN	NNS	Number=Plur	12	obj	_	_
16	and	and	CCONJ	CC	_	18	cc	_	_
17	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	aux:pass	_	_
18	worn	wear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	conj	_	Agree=R5-strong|Haiku=12:conj
19	down	down	ADP	RP	_	18	compound:prt	_	_
20	by	by	SCONJ	IN	_	21	mark	_	_
21	gnawing	gnaw	VERB	VBG	Tense=Pres|VerbForm=Part	18	advcl	_	_
22	;	;	PUNCT	,	_	25	punct	_	_
23	mice	mouse	NOUN	NNS	Number=Plur	25	nsubj	_	_
24	can	can	AUX	MD	VerbForm=Fin	25	aux	_	_
25	gnaw	gnaw	VERB	VB	VerbForm=Inf	5	conj	_	_
26	wood	wood	NOUN	NN	Number=Sing	25	obj	_	_
27	,	,	PUNCT	,	_	28	punct	_	_
28	plastic	plastic	NOUN	NN	Number=Sing	26	conj	_	Agree=R5-strong|Haiku=25:obj
29	and	and	CCONJ	CC	_	32	cc	_	_
30	even	even	ADV	RB	_	32	advmod	_	_
31	electric	electric	ADJ	JJ	Degree=Pos	32	amod	_	_
32	cables	cable	NOUN	NNS	Number=Plur	28	conj	_	_
33	,	,	PUNCT	,	_	36	punct	_	_
34	which	which	PRON	WDT	PronType=Rel	36	nsubj	_	_
35	can	can	AUX	MD	VerbForm=Fin	36	aux	_	_
36	cause	cause	VERB	VB	VerbForm=Inf	32	acl:relcl	_	_
37	fires	fire	NOUN	NNS	Number=Plur	36	obj	_	_
38	;	;	PUNCT	,	_	39	punct	_	_
39	rats	rat	NOUN	NNS	Number=Plur	47	nsubj	_	_
40	,	,	PUNCT	,	_	41	punct	_	_
41	squirrels	squirrel	NOUN	NNS	Number=Plur	39	conj	_	Agree=R5-strong|Haiku=37:conj
42	,	,	PUNCT	,	_	43	punct	_	_
43	beavers	beaver	NOUN	NNS	Number=Plur	37	conj	_	_
44	and	and	CCONJ	CC	_	45	cc	_	_
45	rabbits	rabbit	NOUN	NNS	Number=Plur	37	conj	_	_
46	also	also	ADV	RB	_	47	advmod	_	_
47	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
48	front	front	ADJ	JJ	Degree=Pos	49	amod	_	_
49	teeth	tooth	NOUN	NNS	Number=Plur	47	obj	_	_
50	that	that	PRON	WDT	PronType=Rel	52	nsubj	_	_
51	never	never	ADV	RB	PronType=Neg	52	advmod	_	_
52	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	49	acl:relcl	_	_
53	growing	grow	VERB	VBG	VerbForm=Ger	52	xcomp	_	_
54	.	.	PUNCT	.	_	2	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 | **have** | present | Mice | four front teeth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient |
| 2 | **keep** | present | the incisors |  |  |  |  |  | tree rules |
| 3 | **grow** | gerund | the incisors *not said here* | incisors's lives |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location life=Theme |
| 4 | **wear down** | present · passive | the incisors *not said here* |  |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V PP-Conative» |
| 5 | **gnaw** | gerund | the incisors *not said here* |  |  |  |  |  | vn chew-39.2 «NP V»: agent=Agent |
| 6 | **gnaw** | can | mice | wood and plastic and electric cables |  |  |  |  | vn chew-39.2 «NP V NP»: agent=Agent wood=Patient |
| 7 | **cause** | can | electric cables | fires and beavers and rabbits |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition fire=Patient |
| 8 | **have** | present | rats and squirrels | front teeth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient |
| 9 | **not** **stop** | present | front teeth |  |  |  |  |  | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality |
| 10 | **grow** | gerund | front teeth *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

<!-- .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:120-how-real-mice-survive.lesson:9`.

**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 ×3, 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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