---
title: A walk-through aviary is a huge netted house where birds fly free ov… — The aviary: the walk-through tropical house · tree and pragmatics
description: A walk-through aviary is a huge netted house where birds fly free over your head while you walk along the paths, and two sets of doors stop anyone flying out. Who acts: walk aviary, birds, you, two sets. A sentence of the lesson «The aviary: the walk-through tropical house» of the biology course of 
---

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# The aviary: the walk-through tropical house, sentence 0

<!-- .ven lang=en -->
A walk-through aviary is a huge netted house where birds fly free over your head while you walk along the paths, and two sets of doors stop anyone flying out.

<!-- .vintro -->
**Who acts:** walk aviary, birds, you, two sets · **What happens:** walk, net, be, fly, stop, fly out · **To what, where:** huge netted house, head, paths, anyone

<!-- .vabout -->
This is a sentence of the lesson «The aviary: the walk-through tropical house» 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 (walk aviary, birds, you, two sets), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:093-the-aviary-the-walk-through-tropical-house.lesson:0
# text = A walk-through aviary is a huge netted house where birds fly free over your head while you walk along the paths, and two sets of doors stop anyone flying out.
# source = school lesson (ours)
# course = biology
# lesson = 093-the-aviary-the-walk-through-tropical-house.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 ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
2	walk	walk	VERB	VB	VerbForm=Inf	5	compound	_	_
3	-	-	PUNCT	HYPH	_	5	punct	_	_
4	through	through	ADP	IN	_	5	case	_	_
5	aviary	aviary	NOUN	NN	Number=Sing	10	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
8	huge	huge	ADJ	JJ	Degree=Pos	10	amod	_	_
9	netted	net	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	amod	_	_
10	house	house	NOUN	NN	Number=Sing	0	root	_	_
11	where	where	ADV	WRB	PronType=Rel	13	advmod	_	_
12	birds	bird	NOUN	NNS	Number=Plur	13	nsubj	_	_
13	fly	fly	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	_
14	free	free	ADJ	JJ	Degree=Pos	13	xcomp	_	_
15	over	over	ADP	IN	_	17	case	_	_
16	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	17	nmod:poss	_	_
17	head	head	NOUN	NN	Number=Sing	13	obl	_	Agree=R5-strong|Haiku=14:obl
18	while	while	SCONJ	IN	_	20	mark	_	_
19	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	20	nsubj	_	_
20	walk	walk	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	13	advcl	_	_
21	along	along	ADP	IN	_	23	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	paths	path	NOUN	NNS	Number=Plur	20	obl	_	_
24	,	,	PUNCT	,	_	30	punct	_	_
25	and	and	CCONJ	CC	_	30	cc	_	_
26	two	two	NUM	CD	NumForm=Word|NumType=Card	27	nummod	_	_
27	sets	set	NOUN	NNS	Number=Plur	30	nsubj	_	_
28	of	of	ADP	IN	_	29	case	_	_
29	doors	door	NOUN	NNS	Number=Plur	27	nmod	_	_
30	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	conj	_	_
31	anyone	anyone	PRON	NN	Number=Sing|PronType=Ind	30	obj	_	_
32	flying	fly	VERB	VBG	VerbForm=Ger	31	acl	_	_
33	out	out	ADP	RP	_	32	compound:prt	_	_
34	.	.	PUNCT	.	_	10	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 | **walk** | infinitive |  |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **net** | participle |  |  |  |  |  |  | vn cost-54.2 «NP V NP.value»: agent=Theme |
| 3 | **is a** | present | a walk aviary | a huge netted house |  |  |  |  | tree rules |
| 4 | **fly** | present | birds |  |  | your head |  | free *property* | vn spatial\_configuration-47.6-1 «NP V NP.theme PP»: agent=Agent over head=Location |
| 5 | **walk** | present | you |  |  | the paths |  |  | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme along path=Trajectory |
| 6 | **stop** | present | two sets of doors | anyone |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality anyone=Eventuality |
| 7 | **fly out** | gerund |  |  |  |  |  |  | vn spatial\_configuration-47.6-1 «NP V»: agent=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:093-the-aviary-the-walk-through-tropical-house.lesson:0`.

**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 ×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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