---
title: Mexican free-tailed bats may fly over a hundred and sixty kilometres… — Record-breakers: the fastest and the slowest · tree and pragmatics
description: Mexican free-tailed bats may fly over a hundred and sixty kilometres an hour with long narrow wings, which may make them the fastest in level flight, though not all scientists agree. Who acts: Mexican tailed bats, long narrow wings, scientists. A sentence of the lesson «Record-breakers: the fastest 
---

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# Record-breakers: the fastest and the slowest, sentence 11

<!-- .ven lang=en -->
Mexican free-tailed bats may fly over a hundred and sixty kilometres an hour with long narrow wings, which may make them the fastest in level flight, though not all scientists agree.

<!-- .vintro -->
**Who acts:** Mexican tailed bats, long narrow wings, scientists · **What happens:** tail, fly, make, agree · **To what, where:** hundred kilometres, kilometres

<!-- .vabout -->
This is a sentence of the lesson «Record-breakers: the fastest and the slowest» 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 (Mexican tailed bats, long narrow wings, scientists), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:185-record-breakers-the-fastest-and-the-slowest.lesson:11
# text = Mexican free-tailed bats may fly over a hundred and sixty kilometres an hour with long narrow wings, which may make them the fastest in level flight, though not all scientists agree.
# source = school lesson (ours)
# course = biology
# lesson = 185-record-breakers-the-fastest-and-the-slowest.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 ×2, R7-rel-agree ×1
1	Mexican	Mexican	ADJ	JJ	Degree=Pos	5	amod	_	_
2	free	free	ADJ	JJ	Degree=Pos	4	compound	_	_
3	-	-	PUNCT	HYPH	_	2	punct	_	_
4	tailed	tail	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	_
5	bats	bat	NOUN	NNS	Number=Plur	7	nsubj	_	_
6	may	may	AUX	MD	VerbForm=Fin	7	aux	_	_
7	fly	fly	VERB	VB	VerbForm=Inf	0	root	_	_
8	over	over	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	hundred	hundred	NUM	CD	NumForm=Word|NumType=Card	13	nummod	_	Agree=R5-strong|Haiku=7:obl
11	and	and	CCONJ	CC	_	12	cc	_	_
12	sixty	sixty	NUM	CD	NumForm=Word|NumType=Card	10	conj	_	_
13	kilometres	kilometre	NOUN	NNS	Number=Plur	7	obj	_	Agree=R5-strong|Haiku=10:nmod
14	an	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	hour	hour	NOUN	NN	Number=Sing	13	nmod:unmarked	_	_
16	with	with	ADP	IN	_	19	case	_	_
17	long	long	ADJ	JJ	Degree=Pos	19	amod	_	_
18	narrow	narrow	ADJ	JJ	Degree=Pos	19	amod	_	_
19	wings	wing	NOUN	NNS	Number=Plur	7	obl	_	_
20	,	,	PUNCT	,	_	23	punct	_	_
21	which	which	PRON	WDT	PronType=Rel	23	nsubj	_	_
22	may	may	AUX	MD	VerbForm=Fin	23	aux	_	_
23	make	make	VERB	VB	VerbForm=Inf	19	acl:relcl	_	_
24	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	23	obj	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	_
26	fastest	fast	ADJ	JJS	Degree=Sup	23	xcomp	_	_
27	in	in	ADP	IN	_	29	case	_	_
28	level	level	NOUN	NN	Number=Sing	29	compound	_	_
29	flight	flight	NOUN	NN	Number=Sing	26	obl	_	Agree=R7-rel-agree|Haiku=26:nmod
30	,	,	PUNCT	,	_	35	punct	_	_
31	though	though	SCONJ	IN	_	35	mark	_	_
32	not	not	PART	RB	Polarity=Neg	33	advmod	_	_
33	all	all	DET	DT	PronType=Tot	34	det	_	_
34	scientists	scientist	NOUN	NNS	Number=Plur	35	nsubj	_	_
35	agree	agree	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
36	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed act=assert

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **tail** | participle |  |  |  |  |  |  | vn chase-51.6 «NP V PP.theme»: agent=Agent |
| 2 | **fly** | may | Mexican tailed bats | hundred kilometres  a hour |  |  |  | with long narrow wings | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location kilometre=Theme |
| 3 | **make** | may | long narrow wings | kilometres *= kilometre* |  |  |  | fast *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset they=Product |
| 4 | **agree** *speech: agree* | present | all scientists |  |  |  |  |  | vn correspond-36.1-1 «NP V»: agent=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:185-record-breakers-the-fastest-and-the-slowest.lesson:11`.

**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 ×2, 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/).

<!-- /div -->

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