---
title: Scientists find fewer frogs in a pond each year. What might this war… — Fish, frogs and reptiles · tree and pragmatics
description: Scientists find fewer frogs in a pond each year. What might this warn them about? Test 3 · ★ of lesson 74 «Fish, frogs and reptiles» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/74-fish-frogs-reptiles/t3/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [Fish, frogs and reptiles](https://md.mova.elamur.ai/free/en/corpora/questions/world/74-fish-frogs-reptiles/) / t3

# Test 3 · ★ · Fish, frogs and reptiles

<!-- .ven lang=en -->
Scientists find fewer frogs in a pond each year. What might this warn them about?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** Scientists, this · **What happens:** find, warn · **To what, where:** fewer frogs, pond, frogs

<!-- .vabout -->
This is test 3 · ★ of lesson 74 «Fish, frogs and reptiles» of the world 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/world/74-fish-frogs-reptiles/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* Scientists find fewer frogs in a pond each year.

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:1
# text = Scientists find fewer frogs in a pond each year.
1	Scientists	scientist	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	find	find	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	fewer	few	ADJ	JJR	Degree=Cmp	4	amod	_	_
4	frogs	frog	NOUN	NNS	Number=Plur	2	obj	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	pond	pond	NOUN	NN	Number=Sing	2	obl	_	_
8	each	each	DET	DT	PronType=Tot	9	det	_	_
9	year	year	NOUN	NN	Number=Sing	2	obl:unmarked	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present | Scientists | fewer frogs |  | a pond | year |  | vn discover-84 «NP V NP»: agent=Agent frog=Topic |

<!-- .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.

<!-- .note -->
*Sentence 2:* What might this warn them about?

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:2
# text = What might this warn them about?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	might	might	AUX	MD	VerbForm=Fin	4	aux	_	_
3	this	this	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	_	_
4	warn	warn	VERB	VB	VerbForm=Inf	0	root	_	_
5	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	4	obj	_	_
6	about	about	ADP	IN	_	4	obl	_	SpaceAfter=No
7	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **warn** *speech: warn* | might | this |  | frogs *= frog* |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
There are too many insects

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:o1:1
# text = There are too many insects
1	There	there	PRON	EX	PronType=Dem	2	expl	_	_
2	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	too	too	ADV	RB	_	4	advmod	_	_
4	many	many	ADJ	JJ	Degree=Pos	5	amod	_	_
5	insects	insect	NOUN	NNS	Number=Plur	2	nsubj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **does** | present | many insects |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The frogs have moved into the sea

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:o2:1
# text = The frogs have moved into the sea
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	frogs	frog	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	moved	move	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	into	into	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	sea	sea	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present · perfect | the frogs |  |  | the sea |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into sea=Trajectory |

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

<!-- .ven lang=en -->
The water may be polluted

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:o3:1
# text = The water may be polluted
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
3	may	may	AUX	MD	VerbForm=Fin	5	aux	_	_
4	be	be	AUX	VB	VerbForm=Inf	5	aux:pass	_	_
5	polluted	pollute	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pollute** | may · passive |  | the water |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
The pond is getting too clean

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t3:o4:1
# text = The pond is getting too clean
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	pond	pond	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	getting	get	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
5	too	too	ADV	RB	_	6	advmod	_	_
6	clean	clean	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | present · progressive | the pond |  |  |  |  | clean *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [Fish, frogs and reptiles, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/74-fish-frogs-reptiles/t2/)
- next →: [Fish, frogs and reptiles, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/74-fish-frogs-reptiles/t4/)
- ↑ back to [Fish, frogs and reptiles](https://md.mova.elamur.ai/free/en/corpora/questions/world/74-fish-frogs-reptiles/)