---
title: Pet rats are clever and friendly: they learn tricks and their names,… — Hamsters, gerbils and pet rats and mice · tree and pragmatics
description: Pet rats are clever and friendly: they learn tricks and their names, and they chirp when tickled, a kind of laugh too high for people to hear without a machine. Who acts: Pet rats, rats, people. A sentence of the lesson «Hamsters, gerbils and pet rats and mice» of the biology course of Mova's primar
---

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# Hamsters, gerbils and pet rats and mice, sentence 12

<!-- .ven lang=en -->
Pet rats are clever and friendly: they learn tricks and their names, and they chirp when tickled, a kind of laugh too high for people to hear without a machine.

<!-- .vintro -->
**Who acts:** Pet rats, rats, people · **What happens:** be, learn, chirp, tickle, hear, name · **To what, where:** tricks

<!-- .vabout -->
This is a sentence of the lesson «Hamsters, gerbils and pet rats and mice» 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 (Pet rats, rats, people), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:202-hamsters-gerbils-and-pet-rats-and-mice.lesson:12
# text = Pet rats are clever and friendly: they learn tricks and their names, and they chirp when tickled, a kind of laugh too high for people to hear without a machine.
# source = school lesson (ours)
# course = biology
# lesson = 202-hamsters-gerbils-and-pet-rats-and-mice.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	Pet	pet	NOUN	NN	Number=Sing	2	compound	_	_
2	rats	rat	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	clever	clever	ADJ	JJ	Degree=Pos	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	friendly	friendly	ADJ	JJ	Degree=Pos	4	conj	_	_
7	:	:	PUNCT	:	_	9	punct	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
9	learn	learn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
10	tricks	trick	NOUN	NNS	Number=Plur	9	obj	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	names	name	NOUN	NNS	Number=Plur	10	conj	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	and	and	CCONJ	CC	_	17	cc	_	_
16	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	17	nsubj	_	_
17	chirp	chirp	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
18	when	when	SCONJ	WRB	_	19	mark	_	_
19	tickled	tickle	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	17	advcl	_	_
20	,	,	PUNCT	,	_	24	punct	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	kind	kind	NOUN	NN	Number=Sing	17	appos	_	_
23	of	of	ADP	IN	_	22	dep	_	_
24	laugh	laugh	NOUN	NN	Number=Sing	22	nmod	_	_
25	too	too	ADV	RB	_	26	advmod	_	_
26	high	high	ADJ	JJ	Degree=Pos	24	amod	_	_
27	for	for	SCONJ	IN	_	30	mark	_	Agree=R5-strong|Haiku=28:case|HaikuPos=ADP:IN:_
28	people	people	NOUN	NNS	Number=Plur	30	nsubj	_	Agree=R5-strong|Haiku=26:obl
29	to	to	PART	TO	_	30	mark	_	_
30	hear	hear	VERB	VB	VerbForm=Inf	26	advcl	_	Agree=R5-strong|Haiku=28:acl
31	without	without	ADP	IN	_	33	case	_	_
32	a	a	DET	DT	Definite=Ind|PronType=Art	33	det	_	_
33	machine	machine	NOUN	NN	Number=Sing	30	obl	_	_
34	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: pos
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Pet rats |  |  |  |  | clever *property* | tree rules |
| 2 | **be** |  | Pet rats *not said here* |  |  |  |  |  | tree rules |
| 3 | **learn** | present | rats *= rat* | tricks and rats's names |  |  |  |  | vn learn-14-2-1 «NP V NP»: agent=Agent trick=Topic |
| 4 | **chirp** | present | rats *= rat* |  |  |  |  |  | vn animal\_sounds-38 «NP V»: agent=Agent |
| 5 | **tickle** | participle | rats *= rat* *not said here* |  |  |  |  |  | vn tingle-40.8.2 «NP V»: agent=Patient |
| 6 | **hear** | to-infinitive | people |  |  |  |  | without a machine | vn see-30.1-1-1 «NP V PP.stimulus»: agent=Experiencer |
| 7 | **name** |  | rats *= rat* |  |  |  |  |  | nom name «communication transitive»: poss=agent |

<!-- .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:202-hamsters-gerbils-and-pet-rats-and-mice.lesson:12`.

**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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- next →: [Hamsters, gerbils and pet rats and mice, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/202-hamsters-gerbils-and-pet-rats-and-mice/13/)
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