---
title: It lets tyres grip the road, shoes grip the floor and brakes stop a… — Pushes, pulls, friction and wheels · tree and pragmatics
description: It lets tyres grip the road, shoes grip the floor and brakes stop a bike. Who acts: friction, tyres, shoes, brakes. A sentence of the lesson «Pushes, pulls, friction and wheels» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Pushes, pulls, friction and wheels, sentence 7

<!-- .ven lang=en -->
It lets tyres grip the road, shoes grip the floor and brakes stop a bike.

<!-- .vintro -->
**Who acts:** friction, tyres, shoes, brakes · **What happens:** let, grip, stop · **To what, where:** road, floor, bike

<!-- .vabout -->
This is a sentence of the lesson «Pushes, pulls, friction and wheels» 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 (friction, tyres, shoes, brakes), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:085-pushes-pulls-friction-wheels.lesson:7
# text = It lets tyres grip the road, shoes grip the floor and brakes stop a bike.
# source = school lesson (ours)
# course = world
# lesson = 085-pushes-pulls-friction-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): R8-pos-agree ×1
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	tyres	tyre	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	grip	grip	VERB	VB	VerbForm=Inf	2	xcomp	_	Agree=R8-pos-agree|Haiku=2:xcomp|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	road	road	NOUN	NN	Number=Sing	4	obj	_	_
7	,	,	PUNCT	,	_	9	punct	_	_
8	shoes	shoe	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	grip	grip	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	floor	floor	NOUN	NN	Number=Sing	9	obj	_	_
12	and	and	CCONJ	CC	_	14	cc	_	_
13	brakes	brake	NOUN	NNS	Number=Plur	14	nsubj	_	_
14	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	bike	bike	NOUN	NN	Number=Sing	14	obj	_	_
17	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **let** | present | friction |  |  |  |  |  | tree rules |
| 2 | **grip** | infinitive | tyres | the road |  |  |  |  | vn touch-20-1 «NP V NP»: agent=Agent road=Experiencer |
| 3 | **grip** | present | shoes | the floor |  |  |  |  | vn touch-20-1 «NP V NP»: agent=Agent floor=Experiencer |
| 4 | **stop** | present | brakes | a bike |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality bike=Eventuality |

<!-- .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:world:085-pushes-pulls-friction-wheels.lesson:7`.

**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: [Pushes, pulls, friction and wheels, 6](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/6/)
- next →: [Pushes, pulls, friction and wheels, 8](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/8/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/)