---
title: Swinging arm over arm is called brachiation; gibbons are the fastest… — The ape house: orangutans, gibbons, bonobos and… · tree and pragmatics
description: Swinging arm over arm is called brachiation; gibbons are the fastest apes in the trees, reported at around 50 kilometres per hour. Who acts: Swinging, gibbons. A sentence of the lesson «The ape house: orangutans, gibbons, bonobos and how apes think» of the biology course of Mova's primary school wit
---

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# The ape house: orangutans, gibbons, bonobos and how apes think, sentence 9

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Swinging arm over arm is called brachiation; gibbons are the fastest apes in the trees, reported at around 50 kilometres per hour.

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**Who acts:** Swinging, gibbons · **What happens:** swing, call, be, report · **To what, where:** arm, brachiation, fastest apes, trees, 50 kilometres · **Speech:** someone speaks here

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This is a sentence of the lesson «The ape house: orangutans, gibbons, bonobos and how apes think» 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 (Swinging, gibbons), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:085-ape-house-orangutans-gibbons-bonobos.lesson:9
# text = Swinging arm over arm is called brachiation; gibbons are the fastest apes in the trees, reported at around 50 kilometres per hour.
# source = school lesson (ours)
# course = biology
# lesson = 085-ape-house-orangutans-gibbons-bonobos.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): R2-punct-next ×1, R7-rel-agree ×2
1	Swinging	swing	VERB	VBG	Tense=Pres|VerbForm=Part	6	csubj:pass	_	Agree=R7-rel-agree|Haiku=6:advcl
2	arm	arm	NOUN	NN	Number=Sing	1	obj	_	_
3	over	over	ADP	IN	_	4	case	_	_
4	arm	arm	NOUN	NN	Number=Sing	1	obl	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	brachiation	brachiation	NOUN	NN	Number=Sing	6	xcomp	_	_
8	;	;	PUNCT	,	_	13	punct	_	Agree=R2-punct-next|Haiku=6:punct
9	gibbons	gibbon	NOUN	NNS	Number=Plur	13	nsubj	_	_
10	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
12	fastest	fast	ADJ	JJS	Degree=Sup	13	amod	_	_
13	apes	ape	NOUN	NNS	Number=Plur	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
14	in	in	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	trees	tree	NOUN	NNS	Number=Plur	13	nmod	_	_
17	,	,	PUNCT	,	_	18	punct	_	_
18	reported	report	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	13	acl	_	_
19	at	at	ADP	IN	_	22	case	_	_
20	around	around	ADV	RB	_	21	advmod	_	_
21	50	50	NUM	CD	NumForm=Digit|NumType=Card	22	nummod	_	_
22	kilometres	kilometre	NOUN	NNS	Number=Plur	18	obl	_	_
23	per	per	ADP	IN	_	24	case	_	_
24	hour	hour	NOUN	NN	Number=Sing	22	nmod	_	_
25	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swing** | gerund |  | arm |  | arm |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent arm=Theme over arm=Trajectory |
| 2 | **call** *speech: assert* | present · passive | Swinging | brachiation |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V» |
| 3 | **is a** | present | gibbons | the fastest apes |  | the trees |  |  | tree rules |
| 4 | **report** | participle |  | the fastest apes *not said here* |  | 50 kilometres per hour |  |  | vn characterize-29.2-1-2 «NP V NP»: agent=Agent |

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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:085-ape-house-orangutans-gibbons-bonobos.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): R2-punct-next ×1, R7-rel-agree ×2. **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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