---
title: Skateboard and scooter wheels spin easily because of bearings, rings… — Bicycles and other wheels · tree and pragmatics
description: Skateboard and scooter wheels spin easily because of bearings, rings of little steel balls; ride them with a helmet and pads, away from roads. Who acts: Skateboard wheels. A sentence of the lesson «Bicycles and other wheels» of the technology course of Mova's primary school with its dependency tree 
---

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# Bicycles and other wheels, sentence 18

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Skateboard and scooter wheels spin easily because of bearings, rings of little steel balls; ride them with a helmet and pads, away from roads.

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**Who acts:** Skateboard wheels · **What happens:** spin, ride · **To what, where:** battery

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This is a sentence of the lesson «Bicycles and other wheels» 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 (Skateboard wheels), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:025-bicycles-and-other-wheels.lesson:18
# text = Skateboard and scooter wheels spin easily because of bearings, rings of little steel balls; ride them with a helmet and pads, away from roads.
# source = school lesson (ours)
# course = technology
# lesson = 025-bicycles-and-other-wheels.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): no change
1	Skateboard	skateboard	NOUN	NN	Number=Sing	4	compound	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	scooter	scooter	NOUN	NN	Number=Sing	1	conj	_	_
4	wheels	wheel	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	spin	spin	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	easily	easily	ADV	RB	_	5	advmod	_	_
7	because	because	ADP	IN	ExtPos=ADP	9	case	_	_
8	of	of	ADP	IN	_	7	fixed	_	_
9	bearings	bearing	NOUN	NNS	Number=Plur	5	obl	_	_
10	,	,	PUNCT	,	_	11	punct	_	_
11	rings	ring	NOUN	NNS	Number=Plur	9	conj	_	_
12	of	of	ADP	IN	_	15	case	_	_
13	little	little	ADJ	JJ	Degree=Pos	15	amod	_	_
14	steel	steel	NOUN	NN	Number=Sing	15	compound	_	_
15	balls	ball	NOUN	NNS	Number=Plur	11	nmod	_	_
16	;	;	PUNCT	:	_	17	punct	_	_
17	ride	ride	VERB	VB	Mood=Imp|VerbForm=Fin	5	parataxis	_	_
18	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	17	obj	_	_
19	with	with	ADP	IN	_	21	case	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	helmet	helmet	NOUN	NN	Number=Sing	17	obl	_	_
22	and	and	CCONJ	CC	_	23	cc	_	_
23	pads	pad	NOUN	NNS	Number=Plur	21	conj	_	_
24	,	,	PUNCT	,	_	25	punct	_	_
25	away	away	ADV	RB	_	17	advmod	_	_
26	from	from	ADP	IN	_	27	case	_	_
27	roads	road	NOUN	NNS	Number=Plur	25	obl	_	_
28	.	.	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 | **spin** | present | Skateboard wheels |  |  |  |  | because bearings and rings of little steel balls; easily *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **ride** | infinitive |  | battery |  |  |  | with a helmet and pads; away *property* | vn nonvehicle-51.4.2 «NP V NP»: agent=Agent they=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:technology:025-bicycles-and-other-wheels.lesson:18`.

**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): no change. **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: [Bicycles and other wheels, 17](https://md.mova.elamur.ai/free/en/corpora/school/technology/25-bicycles-and-other-wheels/17/)
- next →: [Bicycles and other wheels, 19](https://md.mova.elamur.ai/free/en/corpora/school/technology/25-bicycles-and-other-wheels/19/)
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