---
title: Why must the pool gate always be shut? — The sea, waves and swimming pools · tree and pragmatics
description: Why must the pool gate always be shut? Test 14 · ★★ of lesson 233 «The sea, waves and swimming pools» 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 14 · ★★ · The sea, waves and swimming pools

<!-- .ven lang=en -->
Why must the pool gate always be shut?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **What happens:** shut · **To what, where:** pool gate

<!-- .vabout -->
This is test 14 · ★★ of lesson 233 «The sea, waves and swimming pools» 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/233-sea-and-pools/#t14).

## The question {#question}

```conllu
# sent_id = question:everyday:233-sea-and-pools:t14:1
# text = Why must the pool gate always be shut?
1	Why	why	ADV	WRB	PronType=Int	8	advmod	_	_
2	must	must	AUX	MD	VerbForm=Fin	8	aux	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	pool	pool	NOUN	NN	Number=Sing	5	compound	_	_
5	gate	gate	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
6	always	always	ADV	RB	PronType=Tot	8	advmod	_	_
7	be	be	AUX	VB	VerbForm=Inf	8	aux:pass	_	_
8	shut	shut	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	SpaceAfter=No
9	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shut** | must · passive |  | the pool gate |  |  |  | always *property* | vn other\_cos-45.4 «NP V NP.patient»: subject=Patient |

<!-- .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 -->
It keeps the water clean and free of dust

```conllu
# sent_id = question:everyday:233-sea-and-pools:t14:o1:1
# text = It keeps the water clean and free of dust
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	water	water	NOUN	NN	Number=Sing	2	obj	_	_
5	clean	clean	ADJ	JJ	Degree=Pos	2	xcomp	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	free	free	ADJ	JJ	Degree=Pos	5	conj	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	dust	dust	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | It | the water |  |  |  | clean *property* | vn keep-15.2 «NP V NP»: agent=Agent water=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Gates are just for show and do nothing

```conllu
# sent_id = question:everyday:233-sea-and-pools:t14:o2:1
# text = Gates are just for show and do nothing
1	Gates	gate	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	just	just	ADV	RB	_	5	advmod	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	show	show	NOUN	NN	Number=Sing	0	root	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
8	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Gates |  |  |  |  | for show | tree rules |
| 2 | **do** | present | Gates *not said here* | nothing |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent nothing=Eventuality |

### Option 3 {#o3}

<!-- .ven lang=en -->
It stops leaves blowing in

```conllu
# sent_id = question:everyday:233-sea-and-pools:t14:o3:1
# text = It stops leaves blowing in
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	leaves	leaf	NOUN	NNS	Number=Plur	2	obj	_	_
4	blowing	blow	VERB	VBG	VerbForm=Ger	3	acl	_	_
5	in	in	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | It | leaves |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality leaf=Eventuality |
| 2 | **blow in** | gerund | leaves *not said here* |  |  |  |  |  | vn split-23.2 «NP V apart»: agent=Patient |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Small children can wander in and drown

```conllu
# sent_id = question:everyday:233-sea-and-pools:t14:o4:1
# text = Small children can wander in and drown
1	Small	small	ADJ	JJ	Degree=Pos	2	amod	_	_
2	children	child	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	wander	wander	VERB	VB	VerbForm=Inf	0	root	_	_
5	in	in	ADV	RB	_	4	advmod	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	drown	drown	VERB	VB	VerbForm=Inf	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wander** | can | Small children |  |  |  |  |  | vn run-51.3.2-1 «NP V»: agent=Theme |
| 2 | **drown** | infinitive | Small children *not said here* |  |  |  |  |  | vn poison-42.2 «NP V NP»: agent=Agent |

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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: [The sea, waves and swimming pools, test 13](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/233-sea-and-pools/t13/)
- next →: [The sea, waves and swimming pools, test 15](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/233-sea-and-pools/t15/)
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