---
title: A crab on the beach walks straight forwards. Your mate says "impossi… — Animals in the sea and the river · tree and pragmatics
description: A crab on the beach walks straight forwards. Your mate says "impossible, crabs ONLY go sideways". What do you say? Test 10 · ★ of lesson 11 «Animals in the sea and the river» of the myths course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mov
---

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# Test 10 · ★ · Animals in the sea and the river

<!-- .ven lang=en -->
A crab on the beach walks straight forwards. Your mate says "impossible, crabs ONLY go sideways". What do you say?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** crab, mate, impossible crabs, you · **What happens:** walk, say, go · **Speech:** someone speaks here

<!-- .vabout -->
This is test 10 · ★ of lesson 11 «Animals in the sea and the river» of the myths 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/myths/11-animals-in-the-sea-and-the-river/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* A crab on the beach walks straight forwards.

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:1
# text = A crab on the beach walks straight forwards.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	crab	crab	NOUN	NN	Number=Sing	6	nsubj	_	_
3	on	on	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	beach	beach	NOUN	NN	Number=Sing	2	nmod	_	_
6	walks	walk	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	straight	straight	ADV	RB	_	8	advmod	_	_
8	forwards	forwards	ADV	RB	_	6	advmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present | a crab on the beach |  |  |  |  | forwards *property* | vn run-51.3.2-2-1 «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.

<!-- .note -->
*Sentence 2:* Your mate says "impossible, crabs ONLY go sideways".

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:2
# text = Your mate says "impossible, crabs ONLY go sideways".
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	mate	mate	NOUN	NN	Number=Sing	3	nsubj	_	_
3	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	"	"	PUNCT	``	_	9	punct	_	SpaceAfter=No
5	impossible	impossible	ADJ	JJ	Degree=Pos	7	amod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	_	_
7	crabs	crab	NOUN	NNS	Number=Plur	9	nsubj	_	_
8	ONLY	only	ADV	RB	_	9	advmod	_	_
9	go	go	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
10	sideways	sideways	ADV	RB	_	9	advmod	_	SpaceAfter=No
11	"	"	PUNCT	''	_	9	punct	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | Your mate |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **go** *in a quote* | present | impossible crabs |  |  |  |  | sideways *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |

<!-- .note -->
*Sentence 3:* What do you say?

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:3
# text = What do you say?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	_	_
4	say	say	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present · do-support | you |  |  |  |  |  | vn say-37.7-1-1 «NP V NP.topic»: agent=Agent what=Topic |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Crabs walk forwards only at night when nobody's looking

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:o1:1
# text = Crabs walk forwards only at night when nobody's looking
1	Crabs	crab	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	walk	walk	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	forwards	forwards	ADV	RB	_	2	advmod	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	night	night	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
7	when	when	SCONJ	WRB	_	10	mark	_	_
8	nobody	nobody	PRON	NN	Number=Sing|PronType=Neg	10	nsubj	_	SpaceAfter=No
9	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux	_	_
10	looking	look	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present | Crabs |  |  |  | night | forwards *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **look** | present · progressive | nobody |  |  |  |  |  | vn stimulus\_subject-30.4 «NP V PP.attribute»: agent=Stimulus |

### Option 2 {#o2}

<!-- .ven lang=en -->
That crab must be broken

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:o2:1
# text = That crab must be broken
1	That	that	DET	DT	Number=Sing|PronType=Dem	2	det	_	_
2	crab	crab	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
3	must	must	AUX	MD	VerbForm=Fin	5	aux	_	_
4	be	be	AUX	VB	VerbForm=Inf	5	aux:pass	_	_
5	broken	break	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 | **break** | must · passive |  | that crab |  |  |  |  | vn hurt-40.8.3-1-1 «NP V NP»: subject=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
He's right, you must be dreaming

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:o3:1
# text = He's right, you must be dreaming
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	8	punct	_	_
5	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	8	nsubj	_	_
6	must	must	AUX	MD	VerbForm=Fin	8	aux	_	_
7	be	be	AUX	VB	VerbForm=Inf	8	aux	_	_
8	dreaming	dream	VERB	VBG	Tense=Pres|VerbForm=Part	3	parataxis	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | He |  |  |  |  | right *property* | tree rules |
| 2 | **dream** | must · progressive | you |  |  |  |  |  | vn cognize-85 «NP V PP.topic»: agent=Agent |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Most go sideways, but some kinds walk forwards

```conllu
# sent_id = question:myths:11-animals-in-the-sea-and-the-river:t10:o4:1
# text = Most go sideways, but some kinds walk forwards
1	Most	most	ADJ	JJS	Degree=Sup	2	nsubj	_	_
2	go	go	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	sideways	sideways	ADV	RB	_	2	advmod	_	SpaceAfter=No
4	,	,	PUNCT	,	_	8	punct	_	_
5	but	but	CCONJ	CC	_	8	cc	_	_
6	some	some	DET	DT	PronType=Ind	7	det	_	_
7	kinds	kind	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	walk	walk	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
9	forwards	forwards	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go** | present | Most |  |  |  |  | sideways *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |
| 2 | **walk** | present | some kinds |  |  |  |  | forwards *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |

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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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