---
title: A drone flies with four or more small rotors spinning at different s… — Airports, the black box, helicopters and drones · tree and pragmatics
description: A drone flies with four or more small rotors spinning at different speeds, and some hold their place in the air using GPS. Who acts: drone, four small rotors, some. A sentence of the lesson «Airports, the black box, helicopters and drones» of the technology course of Mova's primary school with its d
---

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# Airports, the black box, helicopters and drones, sentence 19

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A drone flies with four or more small rotors spinning at different speeds, and some hold their place in the air using GPS.

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**Who acts:** drone, four small rotors, some · **What happens:** fly, spin, hold, use · **To what, where:** different speeds, place, air, GPS

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This is a sentence of the lesson «Airports, the black box, helicopters and drones» 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 (drone, four small rotors, some), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:023-airports-black-box-helicopters-drones.lesson:19
# text = A drone flies with four or more small rotors spinning at different speeds, and some hold their place in the air using GPS.
# source = school lesson (ours)
# course = technology
# lesson = 023-airports-black-box-helicopters-drones.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 ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	drone	drone	NOUN	NN	Number=Sing	3	nsubj	_	_
3	flies	fly	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	with	with	ADP	IN	_	9	case	_	_
5	four	four	NUM	CD	NumForm=Word|NumType=Card	9	nummod	_	_
6	or	or	CCONJ	CC	_	7	cc	_	_
7	more	more	ADJ	JJR	Degree=Cmp	5	conj	_	_
8	small	small	ADJ	JJ	Degree=Pos	9	amod	_	_
9	rotors	rotor	NOUN	NNS	Number=Plur	3	obl	_	_
10	spinning	spin	VERB	VBG	VerbForm=Ger	9	acl	_	_
11	at	at	ADP	IN	_	13	case	_	_
12	different	different	ADJ	JJ	Degree=Pos	13	amod	_	_
13	speeds	speed	NOUN	NNS	Number=Plur	10	obl	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	and	and	CCONJ	CC	_	17	cc	_	_
16	some	some	DET	DT	PronType=Ind	17	nsubj	_	_
17	hold	hold	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	3	conj	_	_
18	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
19	place	place	NOUN	NN	Number=Sing	17	obj	_	_
20	in	in	ADP	IN	_	22	case	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	air	air	NOUN	NN	Number=Sing	17	obl	_	_
23	using	use	VERB	VBG	VerbForm=Ger	17	advcl	_	Agree=R5-strong|Haiku=22:acl
24	GPS	GPS	NOUN	NN	Number=Sing	23	obj	_	_
25	.	.	PUNCT	.	_	3	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** | present | a drone |  |  |  |  | with four small rotors | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 2 | **spin** | gerund | four small rotors *not said here* |  |  | different speeds |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme at speed=Trajectory |
| 3 | **hold** | present | some | speeds's place |  | the air |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent place=Theme in air=Location |
| 4 | **use** | gerund | some *not said here* | GPS |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent gps=Patient |

<!-- .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:023-airports-black-box-helicopters-drones.lesson:19`.

**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 ×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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