---
title: Stabilisers stop the bike tipping, so children never practise steeri… — Riding a bike: why it stays up · tree and pragmatics
description: Stabilisers stop the bike tipping, so children never practise steering into a lean, while balance bikes teach that steering first. Who acts: Stabilisers, children, balance bikes. A sentence of the lesson «Riding a bike: why it stays up» of the physics course of Mova's primary school with its depende
---

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# Riding a bike: why it stays up, sentence 9

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Stabilisers stop the bike tipping, so children never practise steering into a lean, while balance bikes teach that steering first.

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**Who acts:** Stabilisers, children, balance bikes · **What happens:** stop, not practise, steer, teach · **To what, where:** bike tipping, lean · **Speech:** someone speaks here

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This is a sentence of the lesson «Riding a bike: why it stays up» of the physics 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 (Stabilisers, children, balance bikes), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:009-riding-a-bike.lesson:9
# text = Stabilisers stop the bike tipping, so children never practise steering into a lean, while balance bikes teach that steering first.
# source = school lesson (ours)
# course = physics
# lesson = 009-riding-a-bike.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	Stabilisers	stabiliser	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	bike	bike	NOUN	NN	Number=Sing	5	compound	_	_
5	tipping	tipping	NOUN	NN	Number=Sing	2	obj	_	_
6	,	,	PUNCT	,	_	10	punct	_	_
7	so	so	ADV	RB	_	10	advmod	_	_
8	children	child	NOUN	NNS	Number=Plur	10	nsubj	_	_
9	never	never	ADV	RB	PronType=Neg	10	advmod	_	_
10	practise	practise	VERB	VB	VerbForm=Inf	2	parataxis	_	_
11	steering	steer	VERB	VBG	Tense=Pres|VerbForm=Part	10	advcl	_	_
12	into	into	ADP	IN	_	14	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	lean	lean	NOUN	NN	Number=Sing	11	obl	_	_
15	,	,	PUNCT	,	_	19	punct	_	_
16	while	while	SCONJ	IN	_	19	mark	_	_
17	balance	balance	NOUN	NN	Number=Sing	18	compound	_	_
18	bikes	bike	NOUN	NNS	Number=Plur	19	nsubj	_	_
19	teach	teach	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	advcl	_	_
20	that	that	SCONJ	IN	_	21	mark	_	_
21	steering	steer	VERB	VBG	Tense=Pres|VerbForm=Part	19	ccomp	_	_
22	first	first	ADV	RB	NumForm=Word|NumType=Ord	21	advmod	_	_
23	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | Stabilisers | the bike tipping |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality tipping=Eventuality |
| 2 | **not** **practise** | infinitive | children |  |  |  |  |  | tree rules |
| 3 | **steer** | gerund | children *not said here* |  |  | a lean |  |  | vn accompany-51.7 «NP V NP PP.destination»: agent=Agent into lean=Destination |
| 4 | **teach** *speech: other* | present | balance bikes |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V how S»: agent=Agent clause=Topic |
| 5 | **steer** | gerund |  |  |  |  |  | first *property* | vn accompany-51.7 «NP V NP»: agent=Agent |

<!-- .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:physics:009-riding-a-bike.lesson:9`.

**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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