---
title: What would happen if the Sun suddenly went out? — Light and shadows · tree and pragmatics
description: What would happen if the Sun suddenly went out? Test 3 of lesson 20 «Light and shadows» of the physics 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 3 · Light and shadows

<!-- .ven lang=en -->
What would happen if the Sun suddenly went out?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **Who acts:** Sun · **What happens:** happen, go out

<!-- .vabout -->
This is test 3 of lesson 20 «Light and shadows» of the physics 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/physics/20-light-and-shadows/#t3).

## The question {#question}

```conllu
# sent_id = question:physics:20-light-and-shadows:t3:1
# text = What would happen if the Sun suddenly went out?
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	if	if	SCONJ	IN	_	8	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Sun	Sun	PROPN	NNP	Number=Sing	8	nsubj	_	_
7	suddenly	suddenly	ADV	RB	_	8	advmod	_	_
8	went	go	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
9	out	out	ADP	RP	_	8	compound:prt	_	SpaceAfter=No
10	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **go out** *a condition, not said to happen* | past | the Sun |  |  |  |  | suddenly *property* | vn interact-36.6 «NP V»: agent=Agent |

<!-- .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 -->
It would stay light for ever

```conllu
# sent_id = question:physics:20-light-and-shadows:t3:o1:1
# text = It would stay light for ever
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	stay	stay	VERB	VB	VerbForm=Inf	0	root	_	_
4	light	light	ADJ	JJ	Degree=Pos	3	xcomp	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	ever	ever	ADV	RB	PronType=Ind	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | would | It |  |  |  |  | light *property* | vn exist-47.1 «NP V»: agent=Theme |

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

<!-- .ven lang=en -->
We would not know for about eight minutes

```conllu
# sent_id = question:physics:20-light-and-shadows:t3:o2:1
# text = We would not know for about eight minutes
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	know	know	VERB	VB	VerbForm=Inf	0	root	_	_
5	for	for	ADP	IN	_	8	case	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	eight	eight	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	minutes	minute	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **know** | would | We |  |  |  | minute |  | vn comprehend-87.2-1-1-1 «NP V»: agent=Experiencer |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
It would be dark a year later

```conllu
# sent_id = question:physics:20-light-and-shadows:t3:o3:1
# text = It would be dark a year later
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	cop	_	_
4	dark	dark	ADJ	JJ	Degree=Pos	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	year	year	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
7	later	late	ADV	RBR	Degree=Cmp	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would | It |  |  |  | year | dark, late *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
It would be dark at once, with no delay of any kind

```conllu
# sent_id = question:physics:20-light-and-shadows:t3:o4:1
# text = It would be dark at once, with no delay of any kind
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	cop	_	_
4	dark	dark	ADJ	JJ	Degree=Pos	0	root	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	once	once	ADV	RB	NumForm=Word|NumType=Mult	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	with	with	ADP	IN	_	10	case	_	_
9	no	no	DET	DT	PronType=Neg	10	det	_	_
10	delay	delay	NOUN	NN	Number=Sing	4	conj	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	any	any	DET	DT	PronType=Ind	13	det	_	_
13	kind	kind	NOUN	NN	Number=Sing	10	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would | It |  |  |  |  | dark *property* | tree rules |

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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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- ← previous: [Light and shadows, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/20-light-and-shadows/t2/)
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