---
title: A trampoline's springs and mat stretch as you land and spring back,… — Pushes and pulls all around us · tree and pragmatics
description: A trampoline's springs and mat stretch as you land and spring back, and most trampoline injuries happen when two people bounce at once. Who acts: springs, you, most trampoline injuries, two people. A sentence of the lesson «Pushes and pulls all around us» of the physics course of Mova's primary scho
---

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# Pushes and pulls all around us, sentence 9

<!-- .ven lang=en -->
A trampoline's springs and mat stretch as you land and spring back, and most trampoline injuries happen when two people bounce at once.

<!-- .vintro -->
**Who acts:** springs, you, most trampoline injuries, two people · **What happens:** stretch, land, spring back, happen, bounce

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This is a sentence of the lesson «Pushes and pulls all around us» 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 (springs, you, most trampoline injuries, two people), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:005-pushes-and-pulls-all-around-us.lesson:9
# text = A trampoline's springs and mat stretch as you land and spring back, and most trampoline injuries happen when two people bounce at once.
# source = school lesson (ours)
# course = physics
# lesson = 005-pushes-and-pulls-all-around-us.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	trampoline	trampoline	NOUN	NN	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	springs	spring	NOUN	NNS	Number=Plur	7	nsubj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	mat	mat	NOUN	NN	Number=Sing	4	conj	_	_
7	stretch	stretch	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	conj	_	_
8	as	as	SCONJ	IN	_	10	mark	_	_
9	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	10	nsubj	_	_
10	land	land	VERB	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	7	advcl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	spring	spring	VERB	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	10	conj	_	_
13	back	back	ADV	RB	_	12	advmod	_	_
14	,	,	PUNCT	,	_	19	punct	_	_
15	and	and	CCONJ	CC	_	19	cc	_	_
16	most	most	ADJ	JJS	Degree=Sup	18	amod	_	Agree=R5-strong|Haiku=17:advmod|HaikuPos=ADV:RBS:Degree=Sup
17	trampoline	trampoline	NOUN	NN	Number=Sing	18	compound	_	_
18	injuries	injury	NOUN	NNS	Number=Plur	19	nsubj	_	_
19	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
20	when	when	ADV	WRB	PronType=Int	23	advmod	_	_
21	two	two	NUM	CD	NumForm=Word|NumType=Card	22	nummod	_	_
22	people	people	NOUN	NNS	Number=Plur	23	nsubj	_	_
23	bounce	bounce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	advcl	_	_
24	at	at	ADP	IN	_	25	case	_	_
25	once	once	ADV	RB	NumForm=Word|NumType=Mult	23	obl	_	_
26	.	.	PUNCT	.	_	19	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 | **stretch** | present | a trampoline's springs and mat |  |  |  |  |  | vn bend-45.2 «NP.patient V»: agent=Patient |
| 2 | **land** | present | you |  |  |  |  |  | vn pocket-9.10-1 «NP V NP.theme»: agent=Agent |
| 3 | **spring back** | present | you *not said here* |  |  |  |  |  | vn run-51.3.2 «NP V»: agent=Theme |
| 4 | **happen** | infinitive | most trampoline injuries |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 5 | **bounce** | present | two people |  |  |  |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme at once=Trajectory |

<!-- .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:005-pushes-and-pulls-all-around-us.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): 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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