---
title: Scientists found rats make high chirps when tickled, too high for us… — Rodents: the biggest group of mammals and their… · tree and pragmatics
description: Scientists found rats make high chirps when tickled, too high for us to hear without a detector, and chase the tickling hand for more; young rats also love to play fight. Who acts: Scientists, rats, us, young rats. A sentence of the lesson «Rodents: the biggest group of mammals and their ever-growin
---

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# Rodents: the biggest group of mammals and their ever-growing teeth, sentence 18

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Scientists found rats make high chirps when tickled, too high for us to hear without a detector, and chase the tickling hand for more; young rats also love to play fight.

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**Who acts:** Scientists, rats, us, young rats · **What happens:** find, make, tickle, hear, chase, love · **To what, where:** high chirps, tickling hand, fight · **Speech:** someone speaks here

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This is a sentence of the lesson «Rodents: the biggest group of mammals and their ever-growing teeth» 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 (Scientists, rats, us, young rats), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.lesson:18
# text = Scientists found rats make high chirps when tickled, too high for us to hear without a detector, and chase the tickling hand for more; young rats also love to play fight.
# source = school lesson (ours)
# course = biology
# lesson = 316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-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): R6-punct-agree ×1
1	Scientists	scientist	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	found	find	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
3	rats	rat	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	_	_
5	high	high	ADJ	JJ	Degree=Pos	6	amod	_	_
6	chirps	chirp	NOUN	NNS	Number=Plur	4	obj	_	_
7	when	when	ADV	WRB	PronType=Int	8	advmod	_	_
8	tickled	tickle	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
9	,	,	PUNCT	,	_	11	punct	_	_
10	too	too	ADV	RB	_	11	advmod	_	_
11	high	high	ADJ	JJ	Degree=Pos	8	conj	_	_
12	for	for	SCONJ	IN	_	15	mark	_	_
13	us	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	15	nsubj	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	hear	hear	VERB	VB	VerbForm=Inf	11	advcl	_	_
16	without	without	ADP	IN	_	18	case	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	detector	detector	NOUN	NN	Number=Sing	15	obl	_	_
19	,	,	PUNCT	,	_	21	punct	_	_
20	and	and	CCONJ	CC	_	21	cc	_	_
21	chase	chase	VERB	VB	VerbForm=Inf	4	conj	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
23	tickling	tickle	VERB	VBG	VerbForm=Ger	24	amod	_	_
24	hand	hand	NOUN	NN	Number=Sing	21	obj	_	_
25	for	for	ADP	IN	_	26	case	_	_
26	more	more	ADJ	JJR	Degree=Cmp	21	obl	_	_
27	;	;	PUNCT	:	_	31	punct	_	_
28	young	young	ADJ	JJ	Degree=Pos	29	amod	_	_
29	rats	rat	NOUN	NNS	Number=Plur	31	nsubj	_	_
30	also	also	ADV	RB	_	31	advmod	_	_
31	love	love	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
32	to	to	PART	TO	_	33	mark	_	_
33	play	play	VERB	VB	VerbForm=Inf	31	xcomp	_	_
34	fight	fight	NOUN	NN	Number=Sing	33	obj	_	_
35	.	.	PUNCT	.	_	2	punct	_	Agree=R6-punct-agree|Haiku=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 | **find** | past | Scientists |  |  |  |  |  | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent clause=Theme |
| 2 | **make** | present | rats | high chirps |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset chirp=Product |
| 3 | **tickle** | participle |  |  |  |  |  |  | vn tingle-40.8.2 «NP V»: agent=Patient |
| 4 | **hear** | to-infinitive | us |  |  |  |  | without a detector | vn see-30.1-1-1 «NP V PP.stimulus»: agent=Experiencer |
| 5 | **chase** | infinitive | rats *not said here* | the tickling hand |  |  |  | for more | vn chase-51.6 «NP V NP»: agent=Agent hand=Theme |
| 6 | **tickle** | gerund |  |  |  |  |  |  | vn tingle-40.8.2 «NP V»: agent=Patient |
| 7 | **love** | present | young rats |  |  |  |  |  | vn admire-31.2-1 «NP V S\_INF»: agent=Experiencer clause=Stimulus |
| 8 | **play** *not said to happen* | to-infinitive | young rats *not said here* | fight |  |  |  |  | vn use-105.1 «NP V NP»: agent=Agent fight=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:316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.lesson:18`.

**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. **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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