---
title: If the Sun gets about 10% brighter every billion years, how will the… — How stars live · tree and pragmatics
description: If the Sun gets about 10% brighter every billion years, how will the Earth change over that time? Test 9 · ★★ of lesson 18 «How stars live» of the space 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 9 · ★★ · How stars live

<!-- .ven lang=en -->
If the Sun gets about 10% brighter every billion years, how will the Earth change over that time?

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**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** Sun, Earth · **What happens:** get about, change

<!-- .vabout -->
This is test 9 · ★★ of lesson 18 «How stars live» of the space 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/space/18-how-stars-live/#t9).

## The question {#question}

```conllu
# sent_id = question:space:18-how-stars-live:t9:1
# text = If the Sun gets about 10% brighter every billion years, how will the Earth change over that time?
1	If	if	SCONJ	IN	_	4	mark	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	Sun	Sun	PROPN	NNP	Number=Sing	4	nsubj	_	_
4	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	about	about	ADV	RB	_	6	advmod	_	_
6	10	10	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	SpaceAfter=No
7	%	%	SYM	NN	Number=Sing	8	obl:unmarked	_	_
8	brighter	bright	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
9	every	every	DET	DT	PronType=Tot	11	det	_	_
10	billion	billion	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	years	year	NOUN	NNS	Number=Plur	4	obl:unmarked	_	SpaceAfter=No
12	,	,	PUNCT	,	_	17	punct	_	_
13	how	how	ADV	WRB	PronType=Int	17	advmod	_	_
14	will	will	AUX	MD	VerbForm=Fin	17	aux	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	Earth	Earth	PROPN	NNP	Number=Sing	17	nsubj	_	_
17	change	change	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
18	over	over	ADP	IN	_	20	case	_	_
19	that	that	DET	DT	Number=Sing|PronType=Dem	20	det	_	_
20	time	time	NOUN	NN	Number=Sing	17	obl	_	SpaceAfter=No
21	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get about** | present | the Sun |  |  |  | year | bright *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |
| 2 | **change** | future | the Earth |  |  |  | time |  | vn dress-41.1.1-1-1 «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 will not change at all

```conllu
# sent_id = question:space:18-how-stars-live:t9:o1:1
# text = It will not change at all
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	change	change	VERB	VB	VerbForm=Inf	0	root	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	all	all	DET	DT	PronType=Tot	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **change** | future | It |  |  | all |  |  | vn dress-41.1.1-1-1 «NP V»: agent=Agent |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
It will slowly freeze over

```conllu
# sent_id = question:space:18-how-stars-live:t9:o2:1
# text = It will slowly freeze over
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	4	aux	_	_
3	slowly	slowly	ADV	RB	_	4	advmod	_	_
4	freeze	freeze	VERB	VB	VerbForm=Inf	0	root	_	_
5	over	over	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze over** | future | It |  |  |  |  | over, slowly *property* | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

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

<!-- .ven lang=en -->
It will slowly get warmer

```conllu
# sent_id = question:space:18-how-stars-live:t9:o3:1
# text = It will slowly get warmer
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	4	aux	_	_
3	slowly	slowly	ADV	RB	_	4	advmod	_	_
4	get	get	VERB	VB	VerbForm=Inf	0	root	_	_
5	warmer	warm	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | future | It |  |  |  |  | slowly, warm *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

### Option 4 {#o4}

<!-- .ven lang=en -->
It will move closer to Mars

```conllu
# sent_id = question:space:18-how-stars-live:t9:o4:1
# text = It will move closer to Mars
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	move	move	VERB	VB	VerbForm=Inf	0	root	_	_
4	closer	close	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
5	to	to	ADP	IN	_	6	case	_	_
6	Mars	Mars	PROPN	NNP	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | future | It |  | Mars |  |  | close *property* | vn roll-51.3.1 «NP V PP.result»: agent=Theme to mars=Result |

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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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- ← previous: [How stars live, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/space/18-how-stars-live/t8/)
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