---
title: Fly a kite on a windy day: its face is tilted into the wind, so it t… — Why planes fly · tree and pragmatics
description: Fly a kite on a windy day: its face is tilted into the wind, so it turns the rushing air downwards, and the air pushes the kite up into the sky. Who acts: you, face, air. A sentence of the lesson «Why planes fly» of the technology course of Mova's primary school with its dependency tree and the prag
---

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# Why planes fly, sentence 2

<!-- .ven lang=en -->
Fly a kite on a windy day: its face is tilted into the wind, so it turns the rushing air downwards, and the air pushes the kite up into the sky.

<!-- .vintro -->
**Who acts:** you, face, air · **What happens:** fly, tilt, turn, rush, push up · **To what, where:** kite, face, wind, rushing air, sky

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This is a sentence of the lesson «Why planes fly» of the technology 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 (you, face, air), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:022-why-planes-fly.lesson:2
# text = Fly a kite on a windy day: its face is tilted into the wind, so it turns the rushing air downwards, and the air pushes the kite up into the sky.
# source = school lesson (ours)
# course = technology
# lesson = 022-why-planes-fly.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): R1-cc-next ×1, R5-strong ×1
1	Fly	fly	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	kite	kite	NOUN	NN	Number=Sing	1	obj	_	_
4	on	on	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	windy	windy	ADJ	JJ	Degree=Pos	7	amod	_	_
7	day	day	NOUN	NN	Number=Sing	1	obl	_	_
8	:	:	PUNCT	:	_	12	punct	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	face	face	NOUN	NN	Number=Sing	12	nsubj:pass	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	aux:pass	_	_
12	tilted	tilt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	parataxis	_	_
13	into	into	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	wind	wind	NOUN	NN	Number=Sing	12	obl	_	_
16	,	,	PUNCT	,	_	19	punct	_	_
17	so	so	ADV	RB	_	19	advmod	_	_
18	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	19	nsubj	_	_
19	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
21	rushing	rush	VERB	VBG	VerbForm=Ger	22	amod	_	_
22	air	air	NOUN	NN	Number=Sing	19	obj	_	_
23	downwards	downwards	ADV	RB	_	19	advmod	_	_
24	,	,	PUNCT	,	_	28	punct	_	_
25	and	and	CCONJ	CC	_	28	cc	_	Agree=R1-cc-next|Haiku=19:cc
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	_	_
27	air	air	NOUN	NN	Number=Sing	28	nsubj	_	_
28	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	19	conj	_	_
29	the	the	DET	DT	Definite=Def|PronType=Art	30	det	_	_
30	kite	kite	NOUN	NN	Number=Sing	28	obj	_	_
31	up	up	ADV	RB	_	28	advmod	_	_
32	into	into	ADP	IN	_	34	case	_	_
33	the	the	DET	DT	Definite=Def|PronType=Art	34	det	_	_
34	sky	sky	NOUN	NN	Number=Sing	28	obl	_	Agree=R5-strong|Haiku=31:obl
35	.	.	PUNCT	.	_	1	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 | **fly** | imperative | you *not said here* | a kite |  |  | day |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location kite=Theme |
| 2 | **tilt** | present · passive |  | kite's face |  | the wind |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: subject=Theme |
| 3 | **turn** | present | face | the rushing air |  |  |  | downwards *property* | vn roll-51.3.1 «NP V ADJ.result»: agent=Theme air=Result |
| 4 | **rush** | gerund |  |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 5 | **push up** | present | the air | the kite |  | the sky |  |  | vn funnel-9.3-1-1 «NP V NP PP.destination»: agent=Agent kite=Theme into sky=Destination |

<!-- .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:technology:022-why-planes-fly.lesson:2`.

**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): R1-cc-next ×1, 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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