---
title: «snake changes its skin all at once, so we must do it too, just slow… — Skin: layers, sweat, goosebumps, freck… · tree and pragmatics
description: «snake changes its skin all at once, so we must do it too, just slower innit» What is right? Test 10 of lesson 353 «Skin: layers, sweat, goosebumps, freckles and sunburn» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova'
---

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# Test 10 · Skin: layers, sweat, goosebumps, freckles and sunburn

<!-- .ven lang=en -->
«snake changes its skin all at once, so we must do it too, just slower innit» What is right?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **Who acts:** snake, we, slower innit · **What happens:** change, do, be · **To what, where:** skin

<!-- .vabout -->
This is test 10 of lesson 353 «Skin: layers, sweat, goosebumps, freckles and sunburn» 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/353-skin-layers-sweat-goosebumps-freckles-and-sunburn/#t10).

## The question {#question}

```conllu
# sent_id = question:biology:353-skin-layers-sweat-goosebumps-freckles-and-sunburn:t10:1
# text = «snake changes its skin all at once, so we must do it too, just slower innit» What is right?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	snake	snake	NOUN	NN	Number=Sing	3	nsubj	_	_
3	changes	change	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	skin	skin	NOUN	NN	Number=Sing	3	obj	_	_
6	all	all	ADV	RB	_	8	advmod	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	once	once	ADV	RB	NumForm=Word|NumType=Mult	3	advmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	13	punct	_	_
10	so	so	ADV	RB	_	13	advmod	_	_
11	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	13	nsubj	_	_
12	must	must	AUX	MD	VerbForm=Fin	13	aux	_	_
13	do	do	VERB	VB	VerbForm=Inf	3	parataxis	_	_
14	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	obj	_	_
15	too	too	ADV	RB	_	13	advmod	_	SpaceAfter=No
16	,	,	PUNCT	,	_	19	punct	_	_
17	just	just	ADV	RB	_	19	advmod	_	_
18	slower	slow	ADJ	JJR	Degree=Cmp	19	amod	_	_
19	innit	innit	NOUN	NN	Number=Sing	13	parataxis	_	SpaceAfter=No
20	»	»	PUNCT	''	_	19	punct	_	_
21	What	what	PRON	WP	PronType=Int	23	nsubj	_	_
22	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	23	cop	_	_
23	right	right	ADJ	JJ	Degree=Pos	19	acl:relcl	_	SpaceAfter=No
24	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** *in a quote* | present | snake | snake's skin |  |  |  | once *property* | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent skin=Patient |
| 2 | **do** *in a quote* | must | we | skin |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent it=Eventuality |
| 3 | **is** | present | slower innit |  |  |  |  | right *property* | 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 {#o1}

<!-- .ven lang=en -->
We lose all our skin each night in bed

```conllu
# sent_id = question:biology:353-skin-layers-sweat-goosebumps-freckles-and-sunburn:t10:o1:1
# text = We lose all our skin each night in bed
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	lose	lose	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	all	all	DET	PDT	PronType=Tot	5	det:predet	_	_
4	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	skin	skin	NOUN	NN	Number=Sing	2	obj	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	night	night	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	bed	bed	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lose** | present | We | our skin |  | bed | night |  | vn succeed-74-3-1 «NP V NP»: agent=Agent skin=Eventuality |

### Option 2 {#o2}

<!-- .ven lang=en -->
We never lose any skin

```conllu
# sent_id = question:biology:353-skin-layers-sweat-goosebumps-freckles-and-sunburn:t10:o2:1
# text = We never lose any skin
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	_	_
2	never	never	ADV	RB	PronType=Neg	3	advmod	_	_
3	lose	lose	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
4	any	any	DET	DT	PronType=Ind	5	det	_	_
5	skin	skin	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **lose** | present | We | any skin |  |  |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent skin=Eventuality |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
We change our whole skin in one go, once a year in summer

```conllu
# sent_id = question:biology:353-skin-layers-sweat-goosebumps-freckles-and-sunburn:t10:o3:1
# text = We change our whole skin in one go, once a year in summer
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	change	change	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
4	whole	whole	ADJ	JJ	Degree=Pos	5	amod	_	_
5	skin	skin	NOUN	NN	Number=Sing	2	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	go	go	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
9	,	,	PUNCT	,	_	10	punct	_	_
10	once	once	ADV	RB	NumForm=Word|NumType=Mult	2	obl	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	year	year	NOUN	NN	Number=Sing	10	obl:unmarked	_	_
13	in	in	ADP	IN	_	14	case	_	_
14	summer	summer	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | present | We | our whole skin |  | one go | summer |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent skin=Patient |

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

<!-- .ven lang=en -->
We lose old skin bit by bit as tiny flakes all the time

```conllu
# sent_id = question:biology:353-skin-layers-sweat-goosebumps-freckles-and-sunburn:t10:o4:1
# text = We lose old skin bit by bit as tiny flakes all the time
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	lose	lose	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	old	old	ADJ	JJ	Degree=Pos	5	amod	_	_
4	skin	skin	NOUN	NN	Number=Sing	5	compound	_	_
5	bit	bit	NOUN	NN	Number=Sing	2	obj	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	bit	bit	NOUN	NN	Number=Sing	2	obl	_	_
8	as	as	ADP	IN	_	10	case	_	_
9	tiny	tiny	ADJ	JJ	Degree=Pos	10	amod	_	_
10	flakes	flake	NOUN	NNS	Number=Plur	2	obl	_	_
11	all	all	DET	PDT	PronType=Tot	13	det:predet	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	time	time	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lose** | present | We | old skin bit |  |  | time | by bit; as tiny flakes | vn succeed-74-3-1 «NP V NP»: agent=Agent bit=Eventuality |

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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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- ↑ back to [Skin: layers, sweat, goosebumps, freckles and sunburn](https://md.mova.elamur.ai/free/en/corpora/questions/biology/353-skin-layers-sweat-goosebumps-freckles-and-sunburn/)