---
title: True science: swallows feed on flying insects, and in a British wint… — The Wind in the Willows, chapter IX, part 2: Way… · tree and pragmatics
description: True science: swallows feed on flying insects, and in a British winter there are almost none, so swallows migrate to warm Africa every autumn and come back in spring. Who acts: swallows. A sentence of the lesson «The Wind in the Willows, chapter IX, part 2: Wayfarers All (the swallows and the call o
---

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# The Wind in the Willows, chapter IX, part 2: Wayfarers All (the swallows and the call of the South), sentence 16

<!-- .ven lang=en -->
True science: swallows feed on flying insects, and in a British winter there are almost none, so swallows migrate to warm Africa every autumn and come back in spring.

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**Who acts:** swallows · **What happens:** feed, fly, be, migrate, come back · **To what, where:** True science

<!-- .vabout -->
This is a sentence of the lesson «The Wind in the Willows, chapter IX, part 2: Wayfarers All (the swallows and the call of the South)» of the books 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 (swallows), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:books:057-willows-ch9-part2-the-swallows.lesson:16
# text = True science: swallows feed on flying insects, and in a British winter there are almost none, so swallows migrate to warm Africa every autumn and come back in spring.
# source = school lesson (ours)
# course = books
# lesson = 057-willows-ch9-part2-the-swallows.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 ×4, R6-punct-agree ×1
1	True	true	ADJ	JJ	Degree=Pos	2	amod	_	_
2	science	science	NOUN	NN	Number=Sing	22	obl	_	_
3	:	:	PUNCT	:	_	5	punct	_	_
4	swallows	swallow	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	feed	feed	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	flying	fly	VERB	VBG	VerbForm=Ger	8	amod	_	_
8	insects	insect	NOUN	NNS	Number=Plur	5	obl	_	_
9	,	,	PUNCT	,	_	21	punct	_	_
10	and	and	CCONJ	CC	_	21	cc	_	_
11	in	in	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	British	British	ADJ	JJ	Degree=Pos	14	amod	_	_
14	winter	winter	NOUN	NN	Number=Sing	21	obl	_	_
15	there	there	PRON	EX	PronType=Dem	16	expl	_	_
16	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
17	almost	almost	ADV	RB	_	18	advmod	_	_
18	none	none	ADJ	JJ	Degree=Pos	16	nsubj	_	_
19	,	,	PUNCT	,	_	14	punct	_	_
20	so	so	ADV	RB	_	22	advmod	_	_
21	swallows	swallow	NOUN	NNS	Number=Plur	22	nsubj	_	_
22	migrate	migrate	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
23	to	to	PART	TO	_	24	mark	_	_
24	warm	warm	ADJ	JJ	Degree=Pos	25	amod	_	Agree=R5-strong|Haiku=22:xcomp|HaikuPos=VERB:VB:VerbForm=Inf
25	Africa	Africa	PROPN	NNP	Number=Sing	22	obl	_	Agree=R5-strong|Haiku=24:obj
26	every	every	DET	DT	PronType=Tot	27	det	_	_
27	autumn	autumn	NOUN	NN	Number=Sing	22	obl:unmarked	_	Agree=R5-strong|Haiku=24:obl:unmarked
28	and	and	CCONJ	CC	_	29	cc	_	_
29	come	come	VERB	VB	VerbForm=Inf	22	conj	_	Agree=R5-strong|Haiku=24:conj
30	back	back	ADV	RB	_	29	advmod	_	_
31	in	in	ADP	IN	_	32	case	_	_
32	spring	spring	NOUN	NN	Number=Sing	29	obl	_	_
33	.	.	PUNCT	.	_	2	punct	_	Agree=R6-punct-agree|Haiku=22: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 | **feed** | present | swallows |  |  |  |  | on flying insects | vn gorge-39.6 «NP V PP.patient»: agent=Agent on insect=Patient |
| 2 | **fly** | gerund |  |  |  |  |  |  | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 3 | **is** | present |  |  |  |  |  | in a British winter | tree rules |
| 4 | **migrate** | present | swallows | True science |  |  | autumn | warm Africa *obl* | tree rules |
| 5 | **come back** | infinitive | swallows *not said here* |  |  |  | spring |  | vn escape-51.1-1 «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:books:057-willows-ch9-part2-the-swallows.lesson:16`.

**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 ×4, R6-punct-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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