---
title: Why did the asteroid belt never form a planet? — Asteroids and the asteroid belt · tree and pragmatics
description: Why did the asteroid belt never form a planet? Test 3 · ★★ of lesson 9 «Asteroids and the asteroid belt» 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 3 · ★★ · Asteroids and the asteroid belt

<!-- .ven lang=en -->
Why did the asteroid belt never form a planet?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **What happens:** do, not form · **To what, where:** asteroid belt, planet

<!-- .vabout -->
This is test 3 · ★★ of lesson 9 «Asteroids and the asteroid belt» 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/9-asteroids-and-the-asteroid-belt/#t3).

## The question {#question}

```conllu
# sent_id = question:space:9-asteroids-and-the-asteroid-belt:t3:1
# text = Why did the asteroid belt never form a planet?
1	Why	why	ADV	WRB	PronType=Int	7	advmod	_	_
2	did	do	VERB	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	7	advcl	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	asteroid	asteroid	NOUN	NN	Number=Sing	5	compound	_	_
5	belt	belt	NOUN	NN	Number=Sing	2	obj	_	_
6	never	never	ADV	RB	PronType=Neg	7	advmod	_	_
7	form	form	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	planet	planet	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | past |  | the asteroid belt |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent belt=Eventuality |
| 2 | **not** **form** | present |  | a planet |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location planet=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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
A planet did form there but was later eaten up by Mars

```conllu
# sent_id = question:space:9-asteroids-and-the-asteroid-belt:t3:o1:1
# text = A planet did form there but was later eaten up by Mars
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	planet	planet	NOUN	NN	Number=Sing	4	nsubj	_	_
3	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux	_	_
4	form	form	VERB	VB	VerbForm=Inf	0	root	_	_
5	there	there	ADV	RB	PronType=Dem	4	advmod	_	_
6	but	but	CCONJ	CC	_	9	cc	_	_
7	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	aux:pass	_	_
8	later	late	ADV	RBR	Degree=Cmp	9	advmod	_	_
9	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
10	up	up	ADP	RP	_	9	compound:prt	_	_
11	by	by	ADP	IN	_	12	case	_	_
12	Mars	Mars	PROPN	NNP	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | past · do-support | a planet |  |  | there |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **eat up** | past · passive | Mars |  |  |  |  | late *property* | vn eat-39.1-1 «NP V»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
The Sun burnt the rocks before they joined

```conllu
# sent_id = question:space:9-asteroids-and-the-asteroid-belt:t3:o2:1
# text = The Sun burnt the rocks before they joined
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	burnt	burnt	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	rocks	rock	NOUN	NNS	Number=Plur	3	obj	_	_
6	before	before	SCONJ	IN	_	8	mark	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	8	nsubj	_	_
8	joined	join	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **burnt** | past | the Sun | the rocks |  |  |  |  | tree rules |
| 2 | **join** | past | rocks *= rock* |  |  |  |  |  | vn mix-22.1-2-1 «NP V»: agent=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
The asteroids repel each other like magnets

```conllu
# sent_id = question:space:9-asteroids-and-the-asteroid-belt:t3:o3:1
# text = The asteroids repel each other like magnets
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	asteroids	asteroid	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	repel	repel	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	each	each	DET	DT	ExtPos=PRON|PronType=Rcp	3	obj	_	_
5	other	other	ADJ	JJ	Degree=Pos	4	fixed	_	_
6	like	like	ADP	IN	_	7	case	_	_
7	magnets	magnet	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **repel** | present | the asteroids | each |  |  |  | like magnets | vn amuse-31.1 «NP V NP»: agent=Stimulus each=Experiencer |

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

<!-- .ven lang=en -->
Jupiter's strong gravity kept stirring it up

```conllu
# sent_id = question:space:9-asteroids-and-the-asteroid-belt:t3:o4:1
# text = Jupiter's strong gravity kept stirring it up
1	Jupiter	Jupiter	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
2	's	's	PART	POS	_	1	case	_	_
3	strong	strong	ADJ	JJ	Degree=Pos	4	amod	_	_
4	gravity	gravity	NOUN	NN	Number=Sing	5	nsubj	_	_
5	kept	keep	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	stirring	stir	VERB	VBG	VerbForm=Ger	5	xcomp	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	obj	_	_
8	up	up	ADP	RP	_	6	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | past | Jupiter's strong gravity |  |  |  |  |  | tree rules |
| 2 | **stir up** | gerund | Jupiter's strong gravity *not said here* | gravity |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition it=Patient |

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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: [Asteroids and the asteroid belt, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/space/9-asteroids-and-the-asteroid-belt/t2/)
- next →: [Asteroids and the asteroid belt, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/space/9-asteroids-and-the-asteroid-belt/t4/)
- ↑ back to [Asteroids and the asteroid belt](https://md.mova.elamur.ai/free/en/corpora/questions/space/9-asteroids-and-the-asteroid-belt/)

