---
title: Birds are builders too: a weaver bird ties real knots in grass, a sw… — Animal builders: termite mounds, weaver birds an… · tree and pragmatics
description: Birds are builders too: a weaver bird ties real knots in grass, a swallow sticks hundreds of beakfuls of mud under your roof, and a bowerbird builds a stage just to show off. Who acts: Birds, weaver bird, swallow, bowerbird. A sentence of the lesson «Animal builders: termite mounds, weaver birds and
---

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# Animal builders: termite mounds, weaver birds and other nest makers, sentence 3

<!-- .ven lang=en -->
Birds are builders too: a weaver bird ties real knots in grass, a swallow sticks hundreds of beakfuls of mud under your roof, and a bowerbird builds a stage just to show off.

<!-- .vintro -->
**Who acts:** Birds, weaver bird, swallow, bowerbird · **What happens:** be, tie, stick, build, show off · **To what, where:** builders, real knots, grass, hundreds, roof, stage

<!-- .vabout -->
This is a sentence of the lesson «Animal builders: termite mounds, weaver birds and other nest makers» 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 (Birds, weaver bird, swallow, bowerbird), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:243-animal-builders-termite-mounds-weaver-birds-and-other-nest-makers.lesson:3
# text = Birds are builders too: a weaver bird ties real knots in grass, a swallow sticks hundreds of beakfuls of mud under your roof, and a bowerbird builds a stage just to show off.
# source = school lesson (ours)
# course = biology
# lesson = 243-animal-builders-termite-mounds-weaver-birds-and-other-nest-makers.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	Birds	bird	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	builders	builder	NOUN	NNS	Number=Plur	0	root	_	_
4	too	too	ADV	RB	_	3	advmod	_	_
5	:	:	PUNCT	:	_	9	punct	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	weaver	weaver	NOUN	NN	Number=Sing	8	compound	_	_
8	bird	bird	NOUN	NN	Number=Sing	9	nsubj	_	_
9	ties	tie	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
10	real	real	ADJ	JJ	Degree=Pos	11	amod	_	_
11	knots	knot	NOUN	NNS	Number=Plur	9	obj	_	_
12	in	in	ADP	IN	_	13	case	_	_
13	grass	grass	NOUN	NN	Number=Sing	9	obl	_	Agree=R5-strong|Haiku=11:nmod
14	,	,	PUNCT	,	_	17	punct	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	swallow	swallow	NOUN	NN	Number=Sing	17	nsubj	_	_
17	sticks	stick	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	_
18	hundreds	hundred	NOUN	NNS	Number=Plur	17	obj	_	_
19	of	of	ADP	IN	_	20	case	_	_
20	beakfuls	beakful	NOUN	NNS	Number=Plur	18	nmod	_	_
21	of	of	ADP	IN	_	22	case	_	_
22	mud	mud	NOUN	NN	Number=Sing	20	nmod	_	_
23	under	under	ADP	IN	_	25	case	_	_
24	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	25	nmod:poss	_	_
25	roof	roof	NOUN	NN	Number=Sing	17	obl	_	_
26	,	,	PUNCT	,	_	30	punct	_	_
27	and	and	CCONJ	CC	_	30	cc	_	_
28	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
29	bowerbird	bowerbird	NOUN	NN	Number=Sing	30	nsubj	_	_
30	builds	build	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	conj	_	_
31	a	a	DET	DT	Definite=Ind|PronType=Art	32	det	_	_
32	stage	stage	NOUN	NN	Number=Sing	30	obj	_	_
33	just	just	ADV	RB	_	35	advmod	_	_
34	to	to	PART	TO	_	35	mark	_	_
35	show	show	VERB	VB	VerbForm=Inf	30	advcl	_	Agree=R5-strong|Haiku=32:acl
36	off	off	ADP	RP	_	35	compound:prt	_	_
37	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Birds | builders |  |  |  |  | tree rules |
| 2 | **tie** | present | a weaver bird | real knots |  | grass |  |  | vn mix-22.1-2 «NP V NP»: agent=Agent knot=Patient |
| 3 | **stick** | present | a swallow | hundreds of beakfuls of mud |  | your roof |  |  | vn spray-9.7-1 «NP V NP PP.destination»: agent=Agent hundred=Theme under roof=Destination |
| 4 | **build** | present | a bowerbird | a stage |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset stage=Product |
| 5 | **show off** | to-infinitive | a bowerbird *not said here* |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «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:243-animal-builders-termite-mounds-weaver-birds-and-other-nest-makers.lesson:3`.

**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/).

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