---
title: Woodpeckers hammer wood up to about 20 times a second to find grubs,… — Birds of every kind: penguins, ostriches, parrot… · tree and pragmatics
description: Woodpeckers hammer wood up to about 20 times a second to find grubs, dig nests and drum to claim a territory. Who acts: Woodpeckers. A sentence of the lesson «Birds of every kind: penguins, ostriches, parrots, hummingbirds, songbirds, crows» of the biology course of Mova's primary school with its de
---

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# Birds of every kind: penguins, ostriches, parrots, hummingbirds, songbirds, crows, sentence 14

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Woodpeckers hammer wood up to about 20 times a second to find grubs, dig nests and drum to claim a territory.

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**Who acts:** Woodpeckers · **What happens:** hammer up, find, dig, drum, claim · **To what, where:** wood, grubs, nests, territory

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This is a sentence of the lesson «Birds of every kind: penguins, ostriches, parrots, hummingbirds, songbirds, crows» 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 (Woodpeckers), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:035-birds-of-every-kind.lesson:14
# text = Woodpeckers hammer wood up to about 20 times a second to find grubs, dig nests and drum to claim a territory.
# source = school lesson (ours)
# course = biology
# lesson = 035-birds-of-every-kind.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 ×1
1	Woodpeckers	woodpecker	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	hammer	hammer	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	wood	wood	NOUN	NN	Number=Sing	2	obj	_	_
4	up	up	ADP	RP	_	2	compound:prt	_	_
5	to	to	ADP	IN	_	8	case	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	20	20	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	times	time	NOUN	NNS	Number=Plur	2	obl	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	second	second	NOUN	NN	Number=Sing	8	nmod	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	find	find	VERB	VB	VerbForm=Inf	2	advcl	_	Agree=R7-rel-agree|Haiku=2:csubj
13	grubs	grub	NOUN	NNS	Number=Plur	12	obj	_	_
14	,	,	PUNCT	,	_	16	punct	_	_
15	dig	dig	VERB	VB	VerbForm=Inf	12	conj	_	_
16	nests	nest	NOUN	NNS	Number=Plur	15	obj	_	_
17	and	and	CCONJ	CC	_	15	cc	_	_
18	drum	drum	VERB	VB	VerbForm=Inf	13	conj	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	claim	claim	VERB	VB	VerbForm=Inf	18	advcl	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	territory	territory	NOUN	NN	Number=Sing	20	obj	_	_
23	.	.	PUNCT	.	_	2	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 | **hammer up** | present | Woodpeckers | wood |  |  | time |  | vn hit-18.1-1 «NP V NP»: agent=Agent wood=Patient |
| 2 | **find** | to-infinitive | Woodpeckers *not said here* | grubs |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent grub=Topic |
| 3 | **dig** | infinitive | Woodpeckers *not said here* | nests |  |  |  |  | vn poke-19-1-1-1 «NP V NP.theme»: agent=Agent nest=Theme |
| 4 | **drum** | infinitive | Woodpeckers *not said here* |  |  |  |  |  | vn hit-18.1-1 «NP V PP»: agent=Agent |
| 5 | **claim** *speech: other* | to-infinitive | Woodpeckers *not said here* | a territory |  |  |  |  | vn say-37.7-1-1 «NP V NP.topic»: agent=Agent territory=Topic |

<!-- .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:035-birds-of-every-kind.lesson:14`.

**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 ×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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