---
title: Why are elbow and knee pads useful for a beginner on a skateboard? — Skating and sports safety · tree and pragmatics
description: Why are elbow and knee pads useful for a beginner on a skateboard? Test 8 · ★ of lesson 6 «Skating and sports safety» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 8 · ★ · Skating and sports safety

<!-- .ven lang=en -->
Why are elbow and knee pads useful for a beginner on a skateboard?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** be · **To what, where:** elbow

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This is test 8 · ★ of lesson 6 «Skating and sports safety» of the everyday course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/everyday/6-skating-and-sports-safety/#t8).

## The question {#question}

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t8:1
# text = Why are elbow and knee pads useful for a beginner on a skateboard?
1	Why	why	ADV	WRB	PronType=Rel	0	root	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	elbow	elbow	NOUN	NN	Number=Sing	1	nsubj	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	knee	knee	NOUN	NN	Number=Sing	6	compound	_	_
6	pads	pad	NOUN	NNS	Number=Plur	3	conj	_	_
7	useful	useful	ADJ	JJ	Degree=Pos	6	amod	_	_
8	for	for	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	beginner	beginner	NOUN	NN	Number=Sing	7	obl	_	_
11	on	on	ADP	IN	_	13	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	skateboard	skateboard	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
14	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | elbow and knee pads |  |  |  |  | tree rules |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
They make the board go straighter

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t8:o1:1
# text = They make the board go straighter
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	board	board	NOUN	NN	Number=Sing	2	obj	_	_
5	go	go	VERB	VB	VerbForm=Inf	2	xcomp	_	_
6	straighter	straight	ADJ	JJR	Degree=Cmp	5	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | They | the board |  |  |  |  | tree rules |
| 2 | **go** | infinitive | the board *not said here* |  |  |  |  | straight *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
They help you balance on one foot

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t8:o2:1
# text = They help you balance on one foot
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	2	obj	_	_
4	balance	balance	VERB	VB	VerbForm=Inf	2	xcomp	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	one	one	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	foot	foot	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | They | you |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent you=Beneficiary clause=Theme |
| 2 | **balance** | infinitive | you *not said here* |  |  | one foot |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on foot=Location |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Elbows and knees often hit the ground

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t8:o3:1
# text = Elbows and knees often hit the ground
1	Elbows	elbow	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	knees	knee	NOUN	NNS	Number=Plur	1	conj	_	_
4	often	often	ADV	RB	_	5	advmod	_	_
5	hit	hit	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	ground	ground	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hit** | past | Elbows and knees | the ground |  |  |  | often *property* | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme ground=Co-Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
They make you lighter

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t8:o4:1
# text = They make you lighter
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	2	obj	_	_
4	lighter	light	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | They | you |  |  |  | light *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset you=Product |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Skating and sports safety, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/6-skating-and-sports-safety/t7/)
- next →: [Skating and sports safety, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/6-skating-and-sports-safety/t9/)
- ↑ back to [Skating and sports safety](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/6-skating-and-sports-safety/)