---
title: Flapping pushes air down and back, so the bird is pushed up and forw… — Birds: feathers, nests and flight · tree and pragmatics
description: Flapping pushes air down and back, so the bird is pushed up and forward. Who acts: Flapping. A sentence of the lesson «Birds: feathers, nests and flight» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Birds: feathers, nests and flight, sentence 4

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Flapping pushes air down and back, so the bird is pushed up and forward.

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**Who acts:** Flapping · **What happens:** push, push up · **To what, where:** air, bird

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This is a sentence of the lesson «Birds: feathers, nests and flight» of the world 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 (Flapping), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:073-birds-feathers-nests-flight.lesson:4
# text = Flapping pushes air down and back, so the bird is pushed up and forward.
# source = school lesson (ours)
# course = world
# lesson = 073-birds-feathers-nests-flight.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): R8-pos-agree ×1
1	Flapping	flap	NOUN	NN	Number=Sing	2	nsubj	_	Agree=R8-pos-agree|Haiku=2:nsubj|HaikuPos=VERB:VBG:Tense=Pres|VerbForm=Part
2	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	air	air	NOUN	NN	Number=Sing	2	obj	_	_
4	down	down	ADV	RB	_	2	advmod	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	back	back	ADV	RB	_	4	conj	_	_
7	,	,	PUNCT	,	_	12	punct	_	_
8	so	so	ADV	RB	_	12	advmod	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	bird	bird	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	pushed	push	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	advcl	_	_
13	up	up	ADP	RP	_	12	compound:prt	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	forward	forward	ADV	RB	_	12	conj	_	_
16	.	.	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 | **push** | present | Flapping | air |  |  |  | down *property* | vn carry-11.4-1-1 «NP V NP»: agent=Agent air=Theme |
| 2 | **push up** | present · passive |  | the bird |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: subject=Theme |

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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:world:073-birds-feathers-nests-flight.lesson:4`.

**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): R8-pos-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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- ← previous: [Birds: feathers, nests and flight, 3](https://md.mova.elamur.ai/free/en/corpora/school/world/73-birds-feathers-nests-flight/3/)
- next →: [Birds: feathers, nests and flight, 5](https://md.mova.elamur.ai/free/en/corpora/school/world/73-birds-feathers-nests-flight/5/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/73-birds-feathers-nests-flight/)