---
title: This upward push is called lift. — Why planes fly · tree and pragmatics
description: This upward push is called lift. A sentence of the lesson «Why planes fly» of the technology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Why planes fly, sentence 1

<!-- .ven lang=en -->
This upward push is called lift.

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**What happens:** call · **To what, where:** upward push · **Speech:** someone speaks here

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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: 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:1
# text = This upward push is called lift.
# 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): R7-rel-agree ×1
1	This	this	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	upward	upward	ADJ	JJ	Degree=Pos	3	amod	_	_
3	push	push	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	lift	lift	NOUN	NN	Number=Sing	5	xcomp	_	Agree=R7-rel-agree|Haiku=5:obj
7	.	.	PUNCT	.	_	5	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 | **call** | present · passive |  | this upward push |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: subject=Recipient |

<!-- .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:1`.

**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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- ← previous: [Trains and the Underground, 22](https://md.mova.elamur.ai/free/en/corpora/school/technology/21-trains-and-the-underground/22/)
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