---
title: What would happen to water voles on a river if mink were trapped and… — The real animals of the river bank: th… · tree and pragmatics
description: What would happen to water voles on a river if mink were trapped and the reeds allowed to grow back? Test 9 · ★★ of lesson 403 «The real animals of the river bank: the water vole, the mole, the otter, the toad and the river birds» of the biology course of Mova's primary school, with the dependency t
---

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# Test 9 · ★★ · The real animals of the river bank: the water vole, the mo…

<!-- .ven lang=en -->
What would happen to water voles on a river if mink were trapped and the reeds allowed to grow back?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** reeds · **What happens:** happen, trap, allow, grow back · **To what, where:** river, mink, reeds

<!-- .vabout -->
This is test 9 · ★★ of lesson 403 «The real animals of the river bank: the water vole, the mole, the otter, the toad and the river birds» of the biology 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/biology/403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds/#t9).

## The question {#question}

```conllu
# sent_id = question:biology:403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds:t9:1
# text = What would happen to water voles on a river if mink were trapped and the reeds allowed to grow back?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	water	water	NOUN	NN	Number=Sing	6	compound	_	_
6	voles	vole	NOUN	NNS	Number=Plur	3	obl	_	_
7	on	on	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	river	river	NOUN	NN	Number=Sing	3	obl	_	_
10	if	if	SCONJ	IN	_	13	mark	_	_
11	mink	mink	NOUN	NN	Number=Sing	13	nsubj:pass	_	_
12	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	13	aux:pass	_	_
13	trapped	trap	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
14	and	and	CCONJ	CC	_	17	cc	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	reeds	reed	NOUN	NNS	Number=Plur	17	nsubj:pass	_	_
17	allowed	allow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	13	conj	_	_
18	to	to	PART	TO	_	19	mark	_	_
19	grow	grow	VERB	VB	VerbForm=Inf	17	xcomp	_	_
20	back	back	ADV	RB	_	19	advmod	_	SpaceAfter=No
21	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  | a river |  | to water voles | vn occur-48.3-1 «NP V PP»: agent=Theme on river=Location |
| 2 | **trap** *a condition, not said to happen* | past · passive |  | mink |  |  |  |  | vn trick-59.2 «NP V NP»: subject=Patient |
| 3 | **allow** | participle · passive |  | the reeds |  |  |  |  | vn allow-64.1-1 «NP V NP S»: subject=Beneficiary clause=Eventuality |
| 4 | **grow back** *not said to happen* | to-infinitive | the reeds *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

<!-- .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 -->
The voles would leave the river and go to live in the sea

```conllu
# sent_id = question:biology:403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds:t9:o1:1
# text = The voles would leave the river and go to live in the sea
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	voles	vole	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	leave	leave	VERB	VB	VerbForm=Inf	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	river	river	NOUN	NN	Number=Sing	4	obj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	go	go	VERB	VB	VerbForm=Inf	4	conj	_	_
9	to	to	PART	TO	_	10	mark	_	_
10	live	live	VERB	VB	VerbForm=Inf	8	xcomp	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	sea	sea	NOUN	NN	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | would | the voles | the river |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent river=Theme |
| 2 | **go** | infinitive | the voles *not said here* |  |  |  |  |  | vn say-37.7 «NP V S-Quote»: agent=Agent clause=Topic |
| 3 | **live** | to-infinitive | the voles *not said here* |  |  | the sea |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in sea=Location |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Water voles could come back and live there again

```conllu
# sent_id = question:biology:403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds:t9:o2:1
# text = Water voles could come back and live there again
1	Water	water	NOUN	NN	Number=Sing	2	compound	_	_
2	voles	vole	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	could	could	AUX	MD	VerbForm=Fin	4	aux	_	_
4	come	come	VERB	VB	VerbForm=Inf	0	root	_	_
5	back	back	ADV	RB	_	4	advmod	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	live	live	VERB	VB	VerbForm=Inf	4	conj	_	_
8	there	there	ADV	RB	PronType=Dem	7	advmod	_	_
9	again	again	ADV	RB	_	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come back** | could | Water voles |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 2 | **live** | infinitive | Water voles *not said here* |  |  | there | again |  | vn exist-47.1-1 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Nothing at all would change, as voles need no plants to eat

```conllu
# sent_id = question:biology:403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds:t9:o3:1
# text = Nothing at all would change, as voles need no plants to eat
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	5	nsubj	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	all	all	DET	DT	PronType=Tot	1	nmod	_	_
4	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
5	change	change	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	as	as	SCONJ	IN	_	9	mark	_	_
8	voles	vole	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
10	no	no	DET	DT	PronType=Neg	11	det	_	_
11	plants	plant	NOUN	NNS	Number=Plur	9	obj	_	_
12	to	to	PART	TO	_	13	mark	_	_
13	eat	eat	VERB	VB	VerbForm=Inf	9	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | would | Nothing |  |  |  |  |  | vn dress-41.1.1-1-1 «NP V»: agent=Agent |
| 2 | **need** | present | voles | no plants |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot plant=Theme |
| 3 | **eat** | to-infinitive | voles *not said here* |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The voles would all turn into brown rats within a few years

```conllu
# sent_id = question:biology:403-the-real-animals-of-the-river-bank-water-vole-mole-otter-toad-and-the-river-birds:t9:o4:1
# text = The voles would all turn into brown rats within a few years
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	voles	vole	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
4	all	all	ADV	RB	_	5	advmod	_	_
5	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
6	into	into	ADP	IN	_	8	case	_	_
7	brown	brown	ADJ	JJ	Degree=Pos	8	amod	_	_
8	rats	rat	NOUN	NNS	Number=Plur	5	obl	_	_
9	within	within	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	few	few	ADJ	JJ	Degree=Pos	12	amod	_	_
12	years	year	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | would | the voles |  |  | brown rats | year | all *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into rat=Trajectory |

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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.

<!-- /div -->

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