---
title: Kangaroos hop with springy tendons that store energy like a pogo sti… — The Australian walkabout: kangaroos, emus, walla… · tree and pragmatics
description: Kangaroos hop with springy tendons that store energy like a pogo stick, so hopping fast costs them hardly more energy than hopping slowly. Who acts: Kangaroos, springy tendons, hopping. A sentence of the lesson «The Australian walkabout: kangaroos, emus, wallabies and dingoes» of the biology course 
---

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# The Australian walkabout: kangaroos, emus, wallabies and dingoes, sentence 5

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Kangaroos hop with springy tendons that store energy like a pogo stick, so hopping fast costs them hardly more energy than hopping slowly.

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**Who acts:** Kangaroos, springy tendons, hopping · **What happens:** hop, store, cost · **To what, where:** energy, more energy, kangaroos

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This is a sentence of the lesson «The Australian walkabout: kangaroos, emus, wallabies and dingoes» 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 (Kangaroos, springy tendons, hopping), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes.lesson:5
# text = Kangaroos hop with springy tendons that store energy like a pogo stick, so hopping fast costs them hardly more energy than hopping slowly.
# source = school lesson (ours)
# course = biology
# lesson = 103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes.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 ×3
1	Kangaroos	kangaroo	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	hop	hop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	with	with	ADP	IN	_	5	case	_	_
4	springy	springy	ADJ	JJ	Degree=Pos	5	amod	_	_
5	tendons	tendon	NOUN	NNS	Number=Plur	2	obl	_	_
6	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	store	store	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
8	energy	energy	NOUN	NN	Number=Sing	7	obj	_	_
9	like	like	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	Agree=R7-rel-agree|Haiku=12:nmod
11	pogo	pogo	NOUN	NN	Number=Sing	12	compound	_	_
12	stick	stick	NOUN	NN	Number=Sing	7	obl	_	_
13	,	,	PUNCT	,	_	15	punct	_	_
14	so	so	ADV	RB	_	17	advmod	_	_
15	hopping	hop	VERB	VBG	Tense=Pres|VerbForm=Part	17	csubj	_	Agree=R7-rel-agree|Haiku=17:nsubj
16	fast	fast	ADV	RB	Degree=Pos	15	advmod	_	_
17	costs	cost	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
18	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	17	iobj	_	_
19	hardly	hardly	ADV	RB	_	21	advmod	_	_
20	more	more	ADJ	JJR	Degree=Cmp	21	amod	_	Agree=R7-rel-agree|Haiku=21:advmod|HaikuPos=ADV:RBR:Degree=Cmp
21	energy	energy	NOUN	NN	Number=Sing	17	obj	_	_
22	than	than	SCONJ	IN	_	23	mark	_	_
23	hopping	hop	VERB	VBG	Tense=Pres|VerbForm=Part	21	advcl	_	_
24	slowly	slowly	ADV	RB	_	23	advmod	_	_
25	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **hop** | present | Kangaroos |  |  |  |  | with springy tendons | vn swarm-47.5.1-1 «PP.location V PP.theme»: agent=Location with tendon=Theme |
| 2 | **store** | present | springy tendons | energy |  |  |  | like a pogo stick | vn keep-15.2 «NP V NP»: agent=Agent energy=Theme |
| 3 | **hop** | gerund |  |  |  |  |  | fast *property* | vn run-51.3.2-1 «NP V»: agent=Theme |
| 4 | **cost** | present | hopping | more energy | kangaroos *= kangaroo* |  |  |  | vn cost-54.2 «NP V NP NP»: agent=Theme they=Beneficiary energy=Value |
| 5 | **hop** | gerund | hopping *not said here* |  |  |  |  | slowly *property* | vn run-51.3.2-1 «NP V»: agent=Theme |

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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:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes.lesson:5`.

**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 ×3. **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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